Analysing the Advantages of Using Exploration and Exploitation
Transcription
Analysing the Advantages of Using Exploration and Exploitation
r . ·, ... Q) . .i.'m""· ·- ~ ,,..~.·.r.7:,iU.· ~ ··. . .. ~ .,... , ANTONIO M· JOSÉ ANTO ENDEZ V!LAS JULIÁN ME~~OGMO NES~ GONZÁLEZ '" ZAltZ " oc1edad de la información Coordinadores: Antonio Méndez Vílas José Antonio Mesa González Julián Mesa González Edita: JUNTA DE EXTREMADURA Consejería de Educación, Ciencia y Tecnología Dirección de la Colección INFOOEX © Los autores & JUNTA DE EXTREMADURA Reservados todos los derechos l.S.B.N. Colección-. 84-96212-09-2 r.s.B.N. Volumen 1: 84-96212-10-6 Depósito Legal Volumen 1: BA-072-2003 Fotomecánica e Impresión-. Artes Gráficas REJAS (Mérida) ADVANCES IN TECHNOLOGY-BASED EDUCATION: TOWARDA KNOWLEDGE-BASED SOCIETY Proceedings of 2°d Intemational Conference on Multimedia and Infonnation & Communication Technologies in Education m-ICTE2003 www .fonnatex.org/micte2003/nlicte2003 .htm Badajoz, Spain, December 3-61h 2003 VOL.1 :: SESSION l: GENERAL ISSUES :: . A BRA VE NEW HYPERTEXT: AMBIVALENCE AND AMBITION LEE CARLETON l-5 A NEW GENERATION GAP: THE CONSEQUENCES OF lNCREASt!'<GLY EARL Y lCT FlRST CONTACT 6-16 A.D. MADDEN, J.M. BAPTJST A NUNES. N.J. FORD, M. McPHI:RSON AND D. MILLER A RETROSPECTION ON ICT lN TEACHER EDUCATJON: WHAT CAN WE GIULIANA DETTORI, PAOLA FORCHERI LEAR~? t 7-21 A STVDY OF CONDITIONS OF THE PROBLEMS ANl> l'iEEDS FQR DISTANCE MEDIA \ UTILIZATJON: CASE STUDY, RAJABHAT INSTITVTE SUAN DUSIT JAR1YA NEANCHALEA Y, KLlNTlOA. THAMW!PAT ANO SAKSIT ROJANAVICHIEN 22-24 A STUDY ON THE CREATION Of UNIVERSlTY VIRTUAL DEGREES lN THE TECHNOLOGICAL UNIVERSJTY OF SAN JUAN OF THE RÍO K. ANA Y A, E. HERRERA-VIEDMA A.NO O. CORDÓN 25-29 1 A SURVEY Of' ONLINE LEARNJNG ACTIVJTIES ATA SOVTRERN US UNIVERSlTY 30-34 JOHN V. DEMPSEY, SAMUEL F. FlSHER, BRENDA C. LlTCllflELD. DAWN WRIGHT, ANO BETSY ANDE.RTON AN ONTOLOGICAL SYSTEM FOR SUPPORTING EV ALUATION PROCESSE.S IN E~LEARNING 35-39 DAGOBERTO CASTELLANOS NIEVES, PEDRO JOSE VJVANCOS VICENTE, RAFAEL VALENCIA GARCll\, JESUALDO TOMAS FERNA.NDEZ BREIS, RODRCGO MARTtNEZ BEJAR AND FRANCISCO GARC!A SANCHEZ APPLYING E·LEAR.~lNG STANI>ARDS TO MENTOR PROJECT 40-44 JOSE A. GOMEZ-AR(;UDO, ISABEL ROMAN, JUAN A. TERNERO AND GERMÁN MADfNABEITlA A VOL: ANDALUCÍA VASCULAR ON-LINE 45-49 M. BARCHÉIN, J. NIEVAS, E. ROS-VIDAL, J.L. BERNIER, E. ROS-OÍ E ANO J.M. SÁNCHEZRODRÍGUEZ CICLO DE VIOA DE LAS ORGANIZACIONES Y APRENDIZAJE OE:L EN PRENDEDOR 50-55 A. G. R. LEZANA ANDA. M. PEDRO, L. CAMILOTTI AND P. VENDRAM!NI COLLABORATIVE VIRTUAL E:NVIRONMENTS AND THE VIRTUAL CAMPUS 56-60 JORDl HER..~A~DEZ, DAMlEN NOONAN. SAM REDFE.RN, MICHEAl.. COLHOUN, NlALL NAUGHTON AND DA VID COLLINS COMPCTER SCIENCE ANO ALPHABETIZATION 6)-65 MÍRlA SENRA DE OLIVEJRA AMARAL. JOSÉ LUCAS PEDRElRA BUENO AND ÉDlS MAFRA LAPOLLl COMPUTERIZED LEARNlNG ENVIRONMENTS: TEACHER EDUCATION BETI'INA STEREN DOS SAN'TOS l CREATING MORE EFFECTJVE VSER-CENTRED E-LEARNING SYSTEMS THROUGH SCENARIO-BASED, FORMATI VE EV ALUATION J. COOK AND C. BRADLEY 66-68 69~73 l CllLTURAL IMPLICATIONS OF LEARNING STYLES ON TEACHING STYLES NANCY M. ROBBINS 74-76 DEEPENING IN THE EXPERIENCES OF CONTINUOUS FORMATION IN NET~ APPLJCATlON IN YOU MARRY OF SMALL AND MEDIUM COMPANIES ! 77-81 BEATRJZ CEBRElRO LÓPEZ, LORENA CASAL otero, CARMEN FERNÁNDEZ MORANTE DESlGNING AND EV ALUATING DIS'T ANCE LEARNJNG CLASSES; CONSTRVCTS AND CONSIDERATIONS 82-91 VtCKl L. COHEN CREATlNG A ..MODERN CORPORATE REPORTING Cl.ASS" SlJDHA K. KRISHNAN 92~96 DOES NATIONAL CULTURE DIFFERENTIATE USERS OF E MAIL IN HIGHER EDUCATION: IS GEERT HOFSTEDE STILL RIGHT? 97-103 FENJO P. ANNANSINGH ANO MIGUEL BAPTISTA NUNES DON'T FENCE ME IN: SCHEMING AND DREAMING. ABOUT PUBLICDOMAIN, PUBLIC-ACCESS WEB PROJECTS 104-109 JOE ESSID A STUDY ON THE CREATION OF UNIVERSITY VIRTUAL DEGREES IN THE TECHNOLOGICAL UNfVERSITY OF SAN JUAN OF THE RÍO 110-114 K. ANA YA, E. HERRERA-VlEDMA ANDO. CORDÓN FormaTer: A RESOURCE CENTRE FOR TEACHERS AND COURSE LEADERS AND DEVELOPMENT AGENTS VJCTOR ORTIZ SOMOVILLA, LUIS PÉREZ NÁGER, OLIMPIA GÓMEZ REJA, FRANCISCO ORTlZ BERROCAL, REYES A MARTÍN COLETO ANDANA CAMPOS PARADAS FROM CRITICAL DEBATE TO CONTENT ANALYSIS: INVESTIGATING THE IMPACT OF CMC ON CA!\>1PUS-BASED STUDENTS 115-119 120-124 PETER K. 0RIOGU1' AND JOHN COOK GENDER AND STYLE IN LEARNING TO PROGRAM P.MCKENNA HOW TO MANA GE THE TECHNOLOGICAL CHANGE IN THE UNIVERSITY EXP~RIENCE OF THE UNIVERSITY SAi' PABLO l SYSTEM: THE EVA FERNANDEZ GOMEZ 125-129 130-135 J. ICT IN PRE-SERVICE TEACHER TRAINING: UN EXPLORATORY STUDY F. VICENTE SIL VA AND G. LOBA TO MIRANDA 136-138 ICT IN THE EDUCATIONAL SYSTEM: RECONSJDER TEACHJNG AND LEARNING TO CHANGE THE PRACTICES 139-143 FERNÁNDEZ MORANTE, CARMEN, CEHREfRO LÓPEZ; B. ICT INTEGRATION DIFFERENCES BETWEEN STATE AND NON-STATE EDUCATIONAL INSTITUTIONS. 144-147 DÍAZ, M" l. AND SUÁREZ, J.M. AND GARGALLO, B. ICT ROLE IN HIGHER EDUCATION DEVELOPMENT - ENVIROl\'MENTAL FACTORS 148-161 EDUARDO LUÍS CARDOSO, PEDRO PfMENTA AND DUARTE COSTA PERElRA INTEGRACIÓN Y EDUCACIÓN CON LAS NUEVAS TECNOLOGIÁS EXPERIENCIAS DEL NUEVO CENTRO DEL CONOCIMIENTO DE TALAYUELA 162-166 MIRlAM MARTéN SÁNCHEZ JNTERPRETATIONS OF HISTORICAL SOURCES: FROM THE NARRA TIVE OF HISTORY TO NHYPERTEXTUAL DISCOURSE A. PADILLA ARROYO, M.F. AGUILAR TAMAYO ANDE. L NÁJERA MORALES LA COMUNICACIÓN MEDIADA ELECTRÓNICAMENTE DEMANDADA EN LA EDUCACIÓN UNIVERSITARIA: EL CASO DE LA UNED 167-171 172-176 J. CALLEJO GALLEGO PRJVATE SPANISH UNIVERSITIES IN THE INTERNET: COMMUNICATION AND CORPORATE 177-181 ANA CASTrLLO DÍAZ AND M• VICTORIA CARRILLO DUR.Á.N LEARNING BY SHARING V ALUES IN A VIRTUAL COMMUNITY OF PRACTICE: A CASE STUDY 182-186 DANIElA GIORDANO DETECTION OF NECESSITIES AND DEFINITION OF CHARACTERISTJCS FOR THE IMPLEMENTATION OF AN AUTONOMOUS SYSTEM FOR MAINTENANCE OF COMPUTER CLASSROOMS IN PRIM.ARV EDUCA TJON 187-191 RICARDO LUENGO GONZÁLEZ, Jt:A.t'I ARIAS MASA AND MIGUEL ANGEL MARTÍN TARDÍO PROJETO ATELIER -TECNOLOGIA DE COMUNICA(;ÁO DIGITAL E TESSITliRAS DE SENTIDO: UM OUTRO MODO DE APRE.NDÉNCIA BEATRIZ HELENA DAl MOUN ll 192-196 ON-LlNE LEAR~ING E. SOSA SÁNCHEZ, P. CLEMENTE MARTÍN, J. GONZÁLEZ RODR!GUEZ, A. PRIETO RAMOS, R.. RODRÍGUEZ ECHEVERRlA PEDAGOGY IN VIRTUAL LEARNING ENVIRONMENTS A. GARCÍA DEL DUJO COOPERATIVE LEARNING WJTHIN THE CONTEXT OF STORYLINE AND JCT 197-200 201-210 211-218 BIRTHE UJND AND ANNETTE RASMUSSEN DATA W AREHOUSING AND DATA MINlNG SYSTEM APPLJED TO ELEARNING 219-223 R.L\.JÍS, J.REDOL, D.SlMÓES AND N.HORTA REVIEW AND MODIFICA TION OF RESPONSES IN A COMPUTERADAPTIVE TEST: PRELl~INARY CONSIDERATIONS 224-228 MA.RJANA ULLEY, TREVOR BAR.K..ER AND CAROL BR!TTON SCHOOL CRA.~GE THROUGH INTEGRA TION OF ICTE'S - A CASE STVDY ZITA ROMERO GONc;ALVES ANO BENTO DUA.RTE SILVA SOCIAL COMPUTING AS A DESIGN PERSPECTlVE FOR E-LEARNlNG JAMES M. LAFFEY, DALE R. MUSSER AND L1NDA M. ESPINOSA STRATEGIES FOR INFORMA TION AND COl\.IMUNICATION TECHNOLOGJES (JCT) DIFFUSJON AND APPLICATJON IN HIGHER EDUCA TJON: CASE OF LA LAGUNA UNIVERSITY 229-233 234-238 239-243 M. AREA, A. GARCÍA, M'. MEDINA, J.M" . DEL CASTILLO, R. ESTEVEZ AND W. RODRtGUEZ TEACHER'S JCT USAGE. A FOLLOW UP STUDY. J.M. SUÁREZ. B. GARGALLO, N. ORELLANA, C. BELLOCH, C. BO ANO G ..ALMERJCH TEACHER'S PERCEIVED OBSTACLES IN ICT INTEGRATJON R. BO, J.M. SUÁREZ, N. ORELLANA, B. GARGALLO, C. BELLOCH, G. ALMERICH, A. SAEZ, F. ALIAGA, I. GASTALDO, I. DÍAZ , R. ROIG ANDE. GONZÁLEZ 1TECHNOLOGICAL INNOVA TIONS IN EDUCATJON MÍR.lA SENRA DE OLIVEJ~A AMARAL, JOSE LUCAS PEDREIRA BUENO , FERNANDA bARBOSA FERRAR! AND EDJS MAFRA LAPOLU THE CYBERSPACE JMPACT ON THE BULGARIAN STUDENTS E. KOVATCHEVA THE TEACHER ROLE IN THE PROCESSES OF TEACHING ANO LEARNING "11TH INFORMATJON ANO COMMUNICATJON TECHNOLOGY A. BADlA, E. BARBERA AND C. SIGALÉS THE USE OF INFORMATION AND COMUNICATION TECNOLOGlES BY PORTUGUESE STUDENTS JACINTA PAlVA,JOÁO C. PArYA, CARLOS FIOLHAIS, MARIA TERESA JORGE MENDES AND JOSÉ MANUEL CANA VARRO 244-248 249-253 254-258 259-262 263-267 268-272 LEA.R.~JNG SUPPORTED BY BROADBAND IN A CANAOIAN CONTEXT: BENEFITS A 1\íD CHALLENGES 273-277 ELlZABETH MURPHY VIDEOCONFERENCIAS: NUEVA HERRAMIENTA DE COMUNICACIÓN Y FORMACIÓN 278-282 ANTONIA AGUDO RODRÍGUEZ AND MARCO ANTONIO PILO GARCÍA VIRTUAL ENVlRONMENTS OF LEARNING USED IN THE INSTITUTIONS OF SUPERJOR EDUCATION OF BRAZIL LUlZ RICARDO URJARTE, JOSÉ LUCAS PEDREIRA BL'ENO, DALBERTO MAFRA SJL VA ANO ÉDIS MAFRA LAPOLLJ 283-287 m \VHY DO STUDENTS USE THE \\!EB: W HA T AFFORDANCES ARE EXPERIENCED? 288-292 M B ANDERSSON WORKING ACROSS DJFFERENT SPACES TO CREATE COMMUNITIES OF PRACTICE IN TEACHER PROFESSIONAL DEVELOPMENT 293-297 S. FRIESEN AND P. CLIFFORD ICT-BASED LEARNING IN KNOWLEDGE INTENSE MICRO-SIZED ENTERPRfSES C. KATZEFF AND L. ABDALLAH ELEARNING BEST-PRACTICES APPLIED TO EDUCATING AND TRAJNING PROFESSIONALS GALE TENEN SPAK 298-302 303-307 1 :: SESSJON 2: KNOWLEDGE MANAGEMENT :: 1 A KNOWLEDGE MANAGEMENT APPLICATION IN DECISION MAKING PETER. MlKULECKY 308-311 A KNO\VLEDGE ONTOLOGY AND ITS APPLICA TION INTO A LEARNING ENVIRONMENT MODEL 312-315 INES FRISS DE KEREKI i AGENT-BASED EVALUATION GENERATOR FERNANDO DE ARRJAGA, ARACELJ ARRlAGA AND MOHAMED EL ALAMI BETTER EDUCA TJON PROCCESS THROUGH KNOWLEDGE MAPPING P. CECH 316-320 321-324 1 DEVELOPING A VIRTUAL COMMONS FOR COLLABORATIVE KNOWLEDGE MANAGEMENT 325-329 1 HERB THOMPSON DIOGENE: A TRAINING WEB BROKER FOR ICT PROFESSIONALS MlKEL VERGARA EDE, NJCOl..A CAPUANO ANO ENVER SANGlNETO DEVELOPING FINE-GRAINED LEARNING MODULES FOR COOPERATIVE KNOWLEDGE ORGANIZATION-INTEGRATING MULTJMEDIA LEAR1'1JNG ENVIONMENTS WITH \VEB CONTENT MANAGEMENT 330-334 1 335-339 \ THOMAS BOPP. .SABRlNA GEfSSLER AND THORSTEN HAMPEL EVALUATE THE EDUCATIONAI, WRITING PROGRAM BY COMPlJTER AND TRADITIONAL METHOD IN ELEMENT ARY SCHOOL 340-344 M.C. R. A. JOLY EXPLORING PREDICTORS OF LEARNING ENVIRONMENT K>~OWLEDGE CONSTRUCTION IN THE E- 345-349 HSllJ-MEI HUANG AND SHU-SHENG LlAW HOW SEARCH ENGINES CAN FACILITATE INDIVIDUAL KNOWLEDGE CONSTRUCTION 350-355 SHU-SHENG LlAW AND GEENG-NENG YOU INFORMATION MANAGEMENT IN THE DESIGN OF ONLINE EDUCA TIONAL CONTENTS LARA. PABLO: SAIGÍ, FRANCESC; BORGES. FEDERICO: DUART. JOSEP M. LARA. PABLO; SAIGÍ AND FRANCESC ! INTEGRA TING QUALITY REQUIREMENTS INTO WEB SERVlCE AGENTS FOR E-LEARNING ENVIRONMENTS 1 JAAK TEPANDI AND ENN ÓUNAPUU INTEROPERABll.ITY FR.AMEWORKS FOR LEARNJNG OBJECT REPOSITORIES 356-360 361-365 366-372 GRIFF RJCHARDS AND MAREK HATALA KNOWLEDGE MANAGEMENT FOR UNIVERSITIES PETER MIKULECKY IV 373-376 1 KNO\VLEDGE MANAGEMENT IN E-LEARNING E. MORALES, A. BERLANGA, F. GARCJA ANDA. BARRÓN 377-381 THE ALGORlTHMS OF USERS' NAVIGATION IN EDUCATIONAL t.1 ULTIMEDIA SOFTWARE 382-385 TIBOR FAUSZT :: SESSION 3: PEDAGOGICAL-DIDACTJCAL ASPECTS :: A COLLABORA TIVE TOOL FOR STRUC TURED PROGRAMMING LEARNING 386-389 J. EGEA-PA YA ANO P. G ARCÍA-SEGURA A DYNAMIC MODEL FOR DELIVERING DlSTANCE LEARNING MATERIAL VIA INTERACTIVE TELEVISJON I A. ANGELOPOULOU, S.THOMAS, P . GALLAHAN ANDA. PSAR.RO A DECISION-THEORETJC APPROACH FOR JNSTRUCTIONAL STEPS PLANNING 390-394 395-399 C. Y . TING AND M. R. B EIK ZADEH A FORMAL MODEL FOR IlVIPROVING SELECTION OF COLLABORATIVE ENVIRONMENTS USING LEARNING STYLES D.PARAPADAK.lS AND M ..fl..1ARGETI A FRAMEWORK FOR SUPPORTING THE COMPUTER BASED ASSESSMENT COMMUNITY, AND FOR THE INTEROPERABILITY AND DATA EXCHANGE AMO,"IGST CBA SYSTEMS 400-404 405-409 TAREK H EGAZY, CüUN HIGOlNS AND ATH.ANASlOS TS!NTSIFAS A NOVEL APPROACH TO E-LEARNlNG CONTENT CREATJON TONGBO CHEN, MINGCHAO MA, CHRISTOPH MEINEL AND VOLKER SCHILLIN GS A PROPOSAL FOR THE COMPOSITION OF LEAR.i"l\'JNG OBJECTS USING DIDACTICAL META-DA TA LILIANA PATRICIA SANTACR UZ- VAL ENCIA, IGNACIO AEDO AND CARLOS DELGADO l<LOOS 1 A PROPOSAL FOR THE INCORPORATION OF BLENDED LEARNING IN THE FJELD OF ENGLJS H -AS-A~FOREIGN-LANGUAGE AT UNIVE RSITY J E. DE G REGORIO GODEO A SERVICE FOR SELECTING STUDENTS ' CURRJCULA ON-LINE 4 10-414 415-419 420-423 D . LÓPEZ-TALAVERA, M. BARCHE IN, J. N IEVAS, J.L. BERNIER, E.M. ORTIOOSA 424-428 A STUDY OF THE PROGRAMl\11NG SUJECTS IN THE SPANISH UNJVERSITY USING WEB RESOURCES 429-432 M.M . A VlLA, A. CARO AND M.L. D URÁN A THREE-STAGE MODEL FOR ML'LTIMEDIAL LEARNING IN THE FACVLTY OF TECHNOLOGY AND DIDACTICS OF TECHNOLOGY A T THE UNJVERSITY OF DUJSBURG-ESSEN 43 3-437 J. WEHLING, T. LANG.KAU AND W. HAUPT ACKNOWLEDGED BEHAVIOR AND ATTJTUDE OF TOT PUBLIC COMPANY LIMITED IN THAILAND'S STAFF TOWARDS ORGANIZATJON PRINTED MEDIA 438-442 KUNTIDA THA MW!PAT AND TE ERAPON VISETSlNG ADOPTION OF ISTERNET TEACHING IN A NORVvEGJAN UNIVERSITY COLLEGE 443~447 B. GJERSTAD ADRIAN A PLA TFORM FOR E-LEAR:\JNG CONTENT PROOUCTION JOSÉ CAR LOS RAMALHO AND GJOVA1'il U~RELOTTO AND PEDRO HEl\' RIQUES 448-458 AN ANALYSIS OF FACETO FACF.. ANO ONLINE LEARNING CONVERSA TION IN A CRITIC AL THJNl<lNG COURSE 459-463 T. CARR, G.COX AND A.EDEN --~~~~~~~~~~~~~~~~~~~~~~~~~~~~-'-~~-~~_J V APPROAC H OF THE COLLABORATIVE LEARNlNG IN THE DESIGNO FA COMPONENT "E-LEARNlNG " FOR THE PROJECT IDEFIX IN THE OPEN SOUR CE SC OPE 464-468 T. H.ERNAN SAGASTEGUI CH, .JOSE E. LABRA G, JUAN M. CUEVA L. ANO MARIA E. ALVA AN EXPERIENCE ON USING A \.VEB PAGE AS PUBLISHING MEDIA IN UNIVERSITY EDUCATION P . J . RODR.iGUEZ CERVANTES, F. T . SÁNCHEZ MARÍN, A PÉREZ GONZÁLEZ, X. SANCHOBRU AN EXTRAPOLATION OF A PILOT VIRTUAL UNIVERSITY TO A CURRENT SUBJECT OF INDUSTRIAL ENGINE ERING X. ROCA, M . CASALS, N. FORCADA , A. GARCIA. M. GANGOLELLS AN INTEGRATED SYSTEM FOR DESIGNING, IMPLEMENTING AND MANAGING ADAPTIVE E-LEARNING ACTIVITIES 469-472 4 73-478 479-483 G . CASELLA , G . COSTAGUOLA. F. FER.RUCCI, O . POLESE ANDO. SCANNIELLO AN INTE RNET SERVJCE TO SUPPORT O NLINE CLASSfFICA TION OF LEAR."'' ING OBJECTS 484-488 O. SANTOS AND F . RAMOS ANAL YSING THE ADV ANTAGES OF USING EXPLORATION AND EXPLOJTATION STRATEGIES IN AN ADAPTIVE AND INTELLIGENT EDUCATIONAL SYSTEM 489-493 ANA IGLESIAS, PALOMA MARTÍNEZ. R ICARDO ALER AND FERNANDO FERNÁNDEZ ANALYSIS OF THE NATURE OF NTs AND THEIR INFLUENCE ON FORMS OF KNOWLEDGE 494-498 G . SALVAT MA RTINREY ANALYSING THE REUSARILJTY OF LEARNING OBJECTS I N A MULTILING UAL E-LEARNIN G CONTEXT 499-503 H .WA TCHORN AND R .O'CONNOR QUALITY SIGNALS IN ITALIAN ACADEMJC WEB SITES O F ON-LINE COURSES 504-508 V . PIPITONE, M. ALLEGRA AND G . FULANTELLI ANIMA TION AND SYNCHRONOUS COLLABORATJON TO SUPPORT PROG RAMMJNG LEARNING C. BRA YO, A J. MENDES. M .J . MARCELTNO A NO M.A. REDONDO APLICACION DE LA HIPERME DIA Y LOS MAPAS CONCE PTUALES A LA ENSE~ANZA DE LAS TECNOLOGÍAS COMPLEJAS A .SALA VER.RÍA, ENRJQUE MANDADO. LUIS FERNANDEZ FERREIRA, EMJ U O GARCIA ROS ELLO ANO JACINTO GONZÁLEZ APPUCA TION OF THE PUSHEI FRAME\VORK TO THE DEVELOPMENT OF E-LEA RNING SYSTEMS 509-513 51 4-518 519-523 P . lSAIAS APPLYING FLOW THEORY ANO TECHNOLOGY ACCEPTANCE MODEL TO IMPROVE STUDENT PERFORMANCE IN A WEB-BASED COURSE: A CONC EPTUAL FRAMEWORK 524-529 PA Ul..US fNSAP SANTOSA CReA Project: LEARNING HOW TO CREATE J. MORENO. M. A. CASTRO, A . CARMONA, J. PARDO y M . JORDANO 530-533 TEACHING-LEARNING THROUHOUT THE ITC: A NEW HOLISTIC DIDACTI C MODEL 534-536 MARÍA ISASEL VERA MUNOZ AQUA ' lINGUA ~ A MUL TILINGUA L LEARNING ENVIRONME NT IN THE WATERFIELD 537-541 J. IZQUIERDO. P . A LOPEZ, G . LOPEZ, F. J. MARTINEZ AND V. S. FUERTES ARE EXPERTS DIFFICULTY GUESSING ANO STATISTICAL RESULTSCOMPARABLE? 542-545 R . A RRUAB ARRENA, J. A. VADILLO and J . GUTIÉRREZ ACC OMPANYING THE EDUC ATJONAL USE OF THE INTE RNET BY TEAC HERS AND STUDENTS O F THE PUBLIC ELEMENTARY SCHOOLS IN THE VILA REAL DISTRlCT Vl 546-550 G . CAR VALHO SA NTOS, M. CARRAL REIS AND C. LOPES TEIXEIRA AUTHENTIC T EAC HIN G IN ONLINE LEARNING E. CA RUSETIA AUTOMA TIC M L'L TILJNG UAL GENERA TION OF ON- LINE INFORMA TION SI TES 55 1-554 555-559 ENRIQlJE ALFONSECA, DIANA P ÉREZ AND P!LAR ROD RÍGUEZ BENEFITS OF ONLINE L EA RNJNG - TH E PRE-SERVI CE TEAC HER 'S PERSPECTIVE 560-564 R. GELBART ANDO . N IR-GAL BESTIMMEN LERNEN ONLlNE A LEARNING ENVJRONM ENT FOR PLANT IDENTIFICATION 565-569 STEFAN H0LZENBEIN ANO KARL KIFFE BEYOND T ALK ANO LIST EN: DE SIGNING A ELEARNJNG TOOL TO KEEP STUDENTS THINKJNG 570-572 ARMANDO VrEIRA BUILDING ADAPTI VE COLLABORATIVE WORKSPACES FOR E-LEARNING E. MARTÍN, R.M . CARRO, !\. ORTIGOSA AND J. SCHLICHTER 573-577 BUILDING CAPAC JTY TO TEACli IN VIRTUAL LEARNING ENVIRONMENT.S 1 SIMAO PEDRO M ARJNHO. WOL NEY LOBATO, ALESSANDRA M . S . MARlNl-10, DANIELA SERRA, DA NILO A . AB DALA , GEISA v. MENDES, HELENICE A . SAN· ros, JORGE F. SCH ULM AN, MARGARID A D. C ÁMARA AND PATRÍCIA M . CAETANO ARA ÚJO INSTRUCTJONAL DESIG N: CHALLENGING THE QUEST FOR QUALIT Y f'ROF IZAK BROERE, DR MARLENA KRUGE R, MS HERMJEN GELOENJIUYS AND MR AB RIE M ICHA U ¡CHAMPION SUPPORT FOR DE VELOPING A VIRTUAL C OMMU:\'lTY H. HOWDEN-LEAC H COGNJTI VE STYLES, ACHJEVEM ENT MOTIVATION, PRIOR KNO W LEDCE ANO A TTITUDES IN W EB-BAS ED L EARNJNG 578 -582 583-587 588-594 595-599 HESHAM ALOMYAN ANO WING AU COLLABORATJON IN TEAC H E R E DUCATlON: CULTIVATING AN INQUIRV STANC E 600-603 P. CLIFFORD.. S. FRIESEN AND D. JARO/NE COLLABORATIVE LEARNING ANO PROJECT WORK IN POSTGRADUATE STUDIES 604-608 COLLABORATIVE LEARNING IN MOBILE LEAR.J\!JNG ENVlRONMENT 609-613 ! M . T . S HA LABY, R . MODHA AND D. PA LMER HEIKK1 HAAPARANT A ANO HA RRJ KETAMO COMPARISON BETWEEN PRESENTIAL AND SEMI PRESENTIAL FO RMS T O COURSE THE SAME SUBJECT 614-618 · X. ROC A, M. CASALS ANO N. FORC ADA COMPUTER S YSTE M FO R THE EV ALUA TION OF LEARNING STYLES V. BERTONCELO ANDA . M. M . M IOTTO 6 19 -622 CONTENTS FOR A BASED INTRANET IN A SYSTEM OF INTELLI GENT DJSTRIBUTEO OA TA BAS ES 623-625 RICARDO LUENGO GONZÁLEZ, JUAN ARIAS MASA ANO MlGllEL ANGEL MARTÍN TARDÍO DATA WAREHO USE FOR STRATEGJC MANAGEMENT OF AN ELEARNING SYSTEM 626-630 C. O LIVEIRA AND M .A . DOMINGUES DELJVERlNG ED UCA TION VIA WEB C T SA MAREK 631-638 Vll DEVELOPIHENT AND EVALUATION OF APPROPRIATE WEB-BASED TRAININIG FOR STRUCTURAL ENGINEERS 639-644 M. A. SERRANO AND M. A. CASTRILLO AND S. E. ARMSTRONG "DON PLAY PLAY AH"- USING WEB-BASED INTERACTIVE COURSEWARE TO HELP INTERNATJONAL STUDENTS UNDERSTAND COLLOQUIAL SINGAPORE ENGLISH 645-648 CA.RISSA YOUNG ECMS: TOWARDS A FEDERATED DIGITAL LIBRARY OF EUROPEAN EDUCATIONAL CONTENT 649-653 H. TSALAPATAS,J. P. STAV, P. BRNA. C. KALANTZJS AND S. TSALAPATAS E-GENERATION -A NEW MODEL FOR EDUCATIONAL INTRANETS 654-658 PAULO ALVES AND JOSÉ ADRIANO A.ND LUIS AMARAL VOL.2 ELEARNING STANDARDS IN PR<\CTJCE OITÓ HUTTER. TERÉZ SÁRVÁRY, ISTVÁN SlMONICS AND BALÁZS WAGNER E-LEARNING SUPPORTING ENVIRONl\1ENTS FOR UNIVERSITY APPRENTICESHJP CURRlCULA 1 659-663 1 664-668 M. MARCHESE AND M.RONCHETTl _ELECTRON1C DELIVERY OF LECTURER'S NOTES - IS ITA GOOD THING FOR IMPROVING STUDENT LEARNING? 669-672 CHARLES LEMCKERT E!\'HANCING TRANSFER OF KNO\VLEDGE BY COMBINING EXPERIENTIAL AND REFLECTIVE KNOWLEDGE IN A COGNITIVE TOOLBOX FORMAT FOR WEB- BASED DELIVERY 673-680 R. C. MATHEWS AND D.L. DUNA WAY ENSEÑANZA PARA. RACIONALIZAR LOS HECHOS (ESTRATEGIAS DE ENSEÑANZA APRENDIZAJE) 681-685 LAURA SÁNCHEZ ROSETE ESTUDO SOBRE O PERFIL DOS VESTIBULANDOS DA U.ERGS GLADIS FALA VIGNA ASSESSING EDUCATIONAL .PROCESSES IN CYBERSPACE 686-692 DANIEL DOMÍNGUEZ FJGAREDO 693-697 EV ALUA TJNG E-LEARNING CONTEXTUALL Y~ FINDING THE RIGHT PERSPECTIVE 698-702 CHRISTIAN VOJGT ANO PAULA M.C. SWATMAN EVALUATION AND QUALITY ASSESSMENT OF E-LEARNING IMPLEMENTATIONS 703-707 P. JSAIAS EVOLVING ATTITUDJNAL PATTERNS ON ICT OF THE STUDENTS IN SECOl'"DARY COMPULSORY EDUCATION B. GARGALLO, J.M. SUÁREZ, N. ORELLANA, C. BELLOCH, C. BO AND G. ALMERICH EXPERIENCE IN THE USE OF SYNCHRONOUS ELEARNING IN A TRADITJONAL UNIVERSITY FOR NON-TR.ADITIONAL LEARNERS 708-712 713-717 DUDLEY DOLAN, CATHERINE O'CONNOR, ALAN MULLALL Y FACILITATING PEERS' FEEDBACK THROUGH KNOWLEDGE FORUM J. ÁLVAREZ 7l 8-720 FACTORS lNFLUENCING THE SUCCESS OF TECHNOLOGY ENHANCED LEARNING INITIA TIVE UPTAKE 721-727 DOLFSTEYN FAST FORWARDING WlTHOUT LOSING THE PICTURE IN A MULTIMODAL TEACHING AND LEARNING ENVIRONMENT F.C. GREYUNG A..<\ID W.J. COETSEE vm 728-732 FORMATIVE EVALUATION USJNG THE INTERNET WAL TER. W. ZWIRNER FROM ABD TO PH. D: TOGETHER WE CAN DO lT! YA-HUI KUO FUNCTIONAL VERSUS SPONTANEOUS ROLES DURING COMPUTERSUPPORTEO COLLABORATJVE LEARNING: A QUANTITATIVE AND QUALITATIVE APPROACH 733-735 736 -741 742-746 J.W. STRIJBOS ANO M .F. DE LAAT C'.ONCA PRO.JECT: MEANINGFUL LEARNING USING CMAPTOOLS FERMÍN GONZÁLEZ GARCÍA AND ALBERTO J. CAÑAS HOW DO STUDENTS USE THE INTERNET IN SCHOOL?: A MUL TIPLE STUDYCASE 747-750 751 -754 S . VISEU HYPERTEXT AND EFL READING COMPREHENSJON FATEMEH AUPANAH J ICT AS A MEANS TO ENHANCE UNlVERSITY COURSES A T THE POLYTECHNIC UNIVERSITY OF VALENCIA BEFORE THE EUROPEAN COMMON SPACE 755-765 766-768 X . LÓPEZ RÍO; C . PINJLLA PADILLA; J. TORT AUSINA; M". J. GÓMEZ PERALES IDENTICAL ELEMENTS: A CONCEPTUAL MODEL OF DIRECTNESS Of MEASUREME1"T FOR ONLINE LEAR1'1ING 769-773 JOHN V. DEMPSEY AND BRENDA C. LITCHFIELD INCORPORA TING LEAR,'''ING STYLES JNTO THE USER MODEL P. PAREDES ANO P. RODRJGUEZ MULTIMEDIA AS A MEOIUM FOR C 01'VERSATlONAL AND INTERACTION ANALYSIS - CONCEPTS, PROTOTYPES AND IMPLEMENTATION CONTEXTS 774-778 779-783 WERNER NOTHDURFT, THOMAS BER.OER., CHR.lSTOPH FRE UND AND ARNOLO SCHE NK INTEGRATING PROFESSJONAL SKILLS IN A STRATEGY-BASED ELEARNING ENVIRONMENT 784-788 L . HAOUET AND D. DAVlD AND R..H. GREEN ANO T.T. KLrNGE A NO M. P UYO INTER<\CTIVJTY J.N THE DISTANCE EDUCATION LUIZ RlCARDO UR IARTE, JOSé L UCAS PEDREJRA BUENO, FERNANDA BAR.BüSA fERRARJ and ÉDIS MAFRA LAPOLLI INTERNET BULLETIN FOR EDUCA TION (IBE) - A WEB BASED LIB.RARY FOR TEACHERS 789-793 794-797 MAGDALENA ANDRZEJEWSKA, MARlA Z AJ¡\C INTERUNIVERSITY POSTGRADUATE PROGRAM IN CONSTRUCTION IT FÁ TJ MA FARfNHA, Ricardo Gon<;ALV ES, DANIEL REBOLJ AND KAR.STEN MENZEL IPGN VIA INTERNET: A BRAZILIAN EXPERIENCE TO COACH ENTREPRENEURS IN LEARNlNG COMMUNITJES A T THE WEB. MIRELA MALVESTlTl, RICHARD FAUST; JUTA DE CÁSSIA DA C. MALHElROS AND ROSELI M. DE SOUZA O LIVEIRA KNOWLEDGE CONSTRUCTION FROM MULTIMEDIA LEAR,"l\1JNG ENVIRONMENTS: THE ROLE OF lNTERACTJVITY, COLLABORATION AND VJCARIOUS LEARNING 798- 802 803-807 808-812 S .D . CRAIG, D.DRJSCOLL J. SULLINS AND B. GHOLSON E-MODERACIÓN C.A.ARMELLINI ANO E. MÉNDEZ 813-818 LA PROMOCIÓN DE LECTURA Y ESCRJTURA SIGNIFICATIVAS EN EL MARCO DE LAS TJC: ESTUDIO DE CASO 81 9-823 JENNJE OSTROSKY*. YOLANDA SASSOON IX EMISIÓN DE RADIO A TRAVÉS DE INTERNET LUIS MIGUEL CABEZAS GRANADO LEA RNING AND TEACHING WITH ICT: A MUL TIDIMENSIONAL AND VERSA TILE REALITY 824-828 829~833 TERESA MAURI, MARÍA JOSÉ ROCHERA LEAR."l\IER MOTIVATION AND ELEARNING: A MULTINATIONALLY VALIDATED PROCESS FOR MOTIVA TIONAL DESIGN AND TECHNOLOGY ASSISTED INSTRUCTION 834-839 ! 1 JOHN M. SÉLLER AND KA TSUA.KJ SüZUKJ LEARNER MOTIVA TION AND eLEARNING: A MUL TINATIONALLY VALIDA TED PROCESS FOR MOTIV ATJONAL DESIGN AND TECHNOLOGY ASSISTED INSTRUCTION JOHN M. KELLER AND KA TSUAKf SUZUK.1 LEARNING AND COMPUTERS: COMPARA TJVE ANALYSIS OF TERMINOLOGY USED 840-845 846-849 l. TORT AUSlNA; Mª. J. GÓMEZ PERALES; C. PJNlLLA PADlLLA; X. LÓPEZ RÍO LEARNJNG TECHNOLOGY INTEGRATION THROUGH STORYTELLING FENG-KWlE WANG, JOHN WEDMA1" LEARNING TECHNOLOGY STANDAROS - WHERE'S THE PEDAGOGY? OLEG LIBER AND USA CORLEY LEARNING TECHNOLOGY STANDARDS: SEMANTJC OBJECTS FOR ADAPTIVE LEARNJNG ENVIRONMENTS 850-854 855-859 860-864 A.BERLANGA. E.MORALES AND F. GARCÍA MACROECONOMICS COURSE IN \VEBCT ENVJRONMENT VLADIMÍR SURES, LADISLA V HÁJEK, KAMILA OLSEVICOVÁ MERLJN COLLABORATJVE CONCEPT MAP: A CASE STUDY C. L. KUAN, C. S. LEE AND C. K. HO METACOGNJTION OF LEARNERS IN MASTERY PROCESS OF TOUCHTYPING 865-868 869-872 873-878 YUJl YOSHINAGA. AKIHIRO KANAGAWA AND HIROAK! KAWABATA MOTIVATING APPROACH TO AUTONOMOUS LEARNING IN THE DESJGN OF WEB PAGES FOR ENGLISH FOR COMPUTER SCIENCE STUDENTS 879-882 MARÍA LUlSA RENAU RENAU TEACHING MATERJALS IN A SEJ\fl-PRESENTIAL TEACHING ENVIRONMENT: DESCIUPTION OF THE NE\\! ,\,1ATERlALS OF CAMPUS EXTENS 883-887 C. MARTÍ ÚBEDA. X. MOTlLLA SALAS AND I. TORRANDELL SERRA MUSICAL CEDUCATION R.FRANCO AND 1'i.RrBEIRO R.G.MADEJRA 888-892 J\EGOTIA TfNG SOCIAL REPRESE!''TATIONS OF SCIENCE IN A DJSTANT COLLABORATIVE LEARNING EXPERIENCE 893-897 VÍCTOR. GÁLVEZ D. ANO GUlLLERMlNA WALDEGG C. NETFORM: BUILDING UPA VIRTUAL "TEACHING" COMMUNJTY V. BENIGNO, M. OTT. M. TAVELLA 898-904 NEW STRATEGIES AND SPECIFICATJONS TO A WEB LEARNING EXPERIENCE ON BUSINESS HIGHER EDUCA TION 905-908 A. AREITlO, G. AREITJO Al>.<t> J.M. RJNCON NEW TECHNOLOGJES FOR HJGHER EDUCA TION M~ MA~ GONZÁLEZ-TABLAS, CRISTlNA JENARO, JESÚS R. HERRERO, ESTRELLA LOPEZ . Y SILVlA JIMÉNEZ X 909-913 J MANAGING CLIENTS ON LINE ANO THROUGH TRADITIONAL MEDIA JOYCH!A ONLINE EDUCA TION IN VE, TECHNOLOGIES AND METHODOLOGIES: STATE OF THE ART MARTlNEZ USERO, JOSE ANGEL AND LARA NA VARRA, PABLO ONLINE LEARNING COMMNITIES OF PRACTICE: THE CHALLENGE OF DESIGN ACROSS CUL TliRES AND NATIONAL BORDERS ELSEBETH KORSGAARD SORENSEN AND DAITHÍ Ó MURCHÚ OPTIONAL PRACTICE: SECURITY INSIDE LINUX S. ALBlOL, F. J. MARTÍNEZ AND P. GARRIDO OVERCOMING THE "TECHNO-ABSENCE"' IN PRE-SERVICE TEACHER EDUCATION 914-918 919-924 925-929 930-934 935-939 SIMA.O PEDRO MARlNHO, WOLNEY LOBATO AND CLÁUDlA T. AMARAL CREATING ONLINE COURSES FOR TEACHERS OF ENGLISH TO SPEAKERS OF OTHER LANGUAGE 940-943 M. NDUNDA, A. COZART, AND J. SANCHEZ DE MUNIAlN PLATINEA - INTERACTIVE PLA TFORM TO SUPPORT LEARNING ANO EVALUATION C. VAZ DE CARVALHO, J. MElXEDO, R. CHrBANTE, C. MARTINS, M. RODRIGUES, 944-947 MENDES, C. RAMOS, B. AMORIM AND N. BRANDÁO PORTl.1'1G INTERNATIONAL EDUCATIONAL SOFTWARE INTO A NATIONAL EDVCATIONAL SYSTEM: BEYOND TRANSLATION AND LOCALIZATION 948-952 D. EGARCHOU, TH. HADZfLACOS. E. MEGALOU AND C. RONTOTES PREPARJNG TOMORROW'S TEACHERS TO USE TECHNOLOGY (PT3) AT BOSTON UNIVERSITY: ASSESSMENT OF THE INITIAL TWO YEARS OF THEPROJECT 953-958 DAVID V..WTIIER AND SONIA LARA PRODUCING ELEARNING MA TERIALS ON THE FL Y - ONLY A GREA T DREAM? 959-963 FRANK SCHÜTZ PRODUCTIVE LURKING: NON-POSTI!'!G PARTICIPATION IN ONLINE COURSE DISCUSSION 964-967 VANESSA PAZ DET\'NEN PROGRAMMING ASSIGN~1ENTS IN A VIRTUAL UNJVERSITY CHRISTOPH BE1ERLE, MARIJA KULA_S, MANFRED WIDERA PROMOTING THE USE OF THE HYBRID WEB·BASED INSTRUCTION APPROACH FOR TEACHING FRESHMAN ENGLISH AT T AIWANESE UNIVERSITJES 968-972 973-977 Gl-ZEN UU STUDENT SATISFACTION AS A COMPARISOJ'l BASED ON TWO DIFFERENT ASSESSMENT RUBRICS 978-983 RICARDO ULLOA-AZPElTIA RECYCLE OBSOLETE COMPUTERS FOR ACCESS TO NICTS IN THE EDUCA TION CENTERS BASED IN FREE SOFTWARE LORENZO MARTÍNEZ BRAVO. JUAN ARIAS MASA AND MIGUEL ANGEL MARTÍN TARDÍO RESEARCHING AND DESIGNING LEARNING ENVIRONMENTS WITH INTERNET TECHNOLOGY 984-988 989-993 AUCE C. MELLO CA VALLO, AL VA l. COUCH REVIEW AND MODIFICATION OF RESPONSES IN A COMPUTER· ADAPTIVE TEST: PRELIMINARY CONSIDERATIONS 994-998 MARIANA LILLEY, TREVOR BARKER AND CAROL BRfTTON AT LEAST SA VE THE TEACHERS! EVA-MARIA HAKOLA 999-1001 XI SECONDARY EDUCATION STUDENTS ' DJFFICULTIES ON DATABAS E DESIGN AND REMEDIAL TEACHJNG STRATEGIES 1002- 1006 O. FESSAKJS ANO A. DIM!TRACOPOULOU AND C. HALA TSIS THE D.EVELOPMENT OF SEX EDUCA TJON GAME IN FORMING UNDERSTANDING OF BIRTH CONTROL AMONGST ADOLESCENTS J ARJYA 1007-1009 NEANCHALEA Y, SANGDEUN THA VEESTN AND SAKSUN YAMPIN!J SHOWME TffE WORLD: A GLOBAL INITJA TIVE FOR BUILDING CROSSC ULTURAL CLASSROOM PARTNERSHJPS VIA THE INTERNET 101 0-10 13 WEl-HSIN L U SKlN CANCER DIAGNOSIS BASEO ON IMAGE PROCESSlNG: AN O N-LINE CHALLENGE FOR A DOCTORAL COURSE ON BJO-MEDJCAL APPLICATIONS 1014-1017 E. ROS, E.M. ORTJGOSA. l. ROJAS, J.L. BERNfER ANO S. MOTA STRATEGIES OF LEARNING THROUGH NEW TECHNOLOGIES OF JNFORMATION AND COMMUNICATJON. 101 8-1024 J. 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O'CONNOR TEACHING THE PHYSICS OF THE EYE BY VSJNG JA VA APPLETS G. DE LVCA, C. EVANGELISTA AND G. ZITO TECHNOLOGY + INNOVA TION = PE DAGOGY W. MOSS, R. PARGAS, L. GRIMES ANO B. WEAVER T ELEPRESENCE IN SYNCHRONO US DISTANCE EDUCATJON SESSIONS L. ESCOBAR, E. RENDÓN, J. RES TREPO. E. MONTO YA, C. ZEA, H. T REFFTZ THE COMPUTER SCIENCE APPLIED TO THE BRAZILIAN PUBLIC SCHOOLS JOSE LUCAS PEDREIRA B UENO. WJLSON ROBERTO FERNANDES, DALBERTO MAFRA SILVA ANO ÉDIS MAFRA LAPOLU T HE CONCEPT OF COMPETENCES AND ITS USE IN THE EVALUATION OF L EARNING IN DIST ANCE COURSES IN THE WEB GIANNA O L/VEIRA BOGOSSIAN ROQUE, MARCOS DA FONSECA ELIA, CLAUDIA LAGE RESELLO DA MOTTA, GlLDA HELENA BERNARDINO DE CAMPOS THE CONCEPT 1-YOU-WE AND DYNAMIC WORKSHEETS MANFRED J. BAUCH AND VALENTYNA PIKALOVA XII 1060-1064 1065-1069 1070-1074 1075- 1079 1080-1084 1085- 1089 THE DECONSTRUCTOR: AN ONL INE FILM ANALYSIS TOOL TO AID STUDE NTS JN CONSTRUCTING THEIR OWN INTERPRETATIONS KRISTEN A. SOSULSKI AND GORDON A. CAMPBELL THE DEVELOPMEN T OF A VIRTUAL GRADUATE STUDENTS ASSOC IATJON USING THE TOOLS OF A VIRTUAL CAMPUS: THE CAMPVS ALBERTA GRADUATE STUDENTS ASSOCIA TION EXPERIENCE JSABELLE SAUVE THOMPSON AND PAUL JERRY 1090-1094 1095- 1099 THE IN6ENIO LANGUAGE LEARNING ENVIRONMENT ANA MARÍA GlMENO SANZ THE INTERNET ASAN EDUCATIONAL TOOL IN VOCABULARY INSTRUCTJON FATEMEH ALIPANAHJ THE POTENTIAL OF THE INT ERNET ENVJRON MENT AS A SO URCE OF INFORMATION FOR LEARNIN G DURJ NG EARLY CHILD.HOOD O. NIR-GAL AND T. NUR THE PROC ESS OF DESIGN AND PRODUCTION OF TEACHING MA TERIALS IN THE UNIVERSlTY ENVIROMENMENT: CAMPUS EXTENS BÁRBARA DE BENJTO CROSSETTI, CRlSTJNA LÓPEZ-POLÍN HERNANZ, CRISTINA MARTi ÚBEDA, XA VlER MOTILLA SALAS, ROSA DE OZOLLO GARCÍA, MARIA ROSA PÉREZ GALIANA, ISABEL TORRANDELL SERRA AND MARIA DEL MAR TORR.ENS ARMEN GOL THE R EAOINESS OF MALA YSlAN UNIVERSJTY STUDENTS TO USE ELEARNING AS A LEARi"IING TOOL : A CASE STUDY A T UNIVERSJTY OF TECHNOLOGY MALA YSJA (UTM), SKUDAI, JOHOR. MALA YSIA MOHO KOHARUDDIN MOHD BAL WI, ADANAN MAT JUNOH, MOHD FAUZI OTHMAN, MOHO AZHAR ABDUL HAMJD, SHAHR.IL BAKR1 ANO DR. DUR.RJSHA.H IDRUS THE ROLE OF NON-EUCLIDIAN GEOMETRY IN THE OPE NING OUT OF DE DUCTIVE REASONING A. BRE.DA, M. TERESA NETO AND NILZA COSTA THE US E OF NEW TECHNOLOG IES IN THE ENGLISH FOR COMPUTER SCIENC E CLASSROOM JESÚS USÓ VJCIEDO AND MAJUA LUISA RENAU RENAU THEMA TIC FORUM ASAN EDUCA TIONAL TOOL IN AN " ENGLISH AS A FOREIGN LANGUAGE FOR BLIND PERSONS" COURSE 1.M. PALOMARF.S, E. HERRUZO, J.I. BENAVIDES ANO E. FERNÁNDEZ \\'RITJNG IN THE S UB.JEC T AR.EAS: A NEW LEARNING EN VJRONMENT ON 1100-1104 1 105-1112 J 113-111 7 l 1118-11 22 1123-1 127 1128-11 31 11 32- 1135 1136-11 40 THEINTERNET I 14 1-1 146 E. SEGERS AND L.VERHOEVEN U O J E A - USERS ORIENTED 1NTER.1'1"ET EDUCATION A RCHITECTURE M.F. ELIA, F.F. SAMPAIO. C.LR. 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MANGLER WHAT KJDS HA VE TOSA Y ABOUT STORIES, STORIES CONSTRUCTJON AND STORYTELLING SOFTWARE: IMPLICATIONS FOR THE DESIGN OF A STORYTELLING SOFTWARE A. AMARO ANDA. MOR.EIRA WHA T MAKES THE DI FFERENCE? STAFF ANO STVDENTS' PERCEPTJON TOWARDS WEB-BASED JNSTRUCTION IN THE HONG KONG INSTITUTE OF EOUCATION W. MYJP DE LA PEl>AGOGIE A LA TECHNOLOGIE ALAfN JA!LLET DESIGN ANO DEVELOPMENT OF A COURSE ONLINE ACROSS THE E-LEARNING SOLUTION "EDUCANARIAS" M. AREA; W. RODRÍGVEZ; J. DEL CASTILLO: R. ESTÉVEZ: A. GARCÍA; M'. MF.DINA AND C. SANT ANA FLVENT - A SPEECH PRACTISING TOOL FOR EUROPEAN 1.ANGUAGES KRlS VAN DE POEL, 0YDIS HIDE, ROLF NYS & SVEN VAN ELST 1189-I 193 l l 94-1196 I 197-1206 1207-1210 121 l SUPPORTING E-LEARNJNG USING fNSTANT MESSAGING AND THE APPUCA TION OF CONVERSATIONAL THEORY MlCHAEL C. THOMAS AND GENEF..N F;. STUBHS CERTIFICACIÓN DE TÍTULOS PROPIOS DE LAS UNIVERSIDADES GALLEGAS 1212-1216 1217-1220 MUÑOZ CAMA CHO, EUGENIO RÍOS DE DEUS AND M" PAULA ESCUELA VIRTUAL DE MADRES V PADRES DE EXTREMADURA JOSÉ ORTÍZ JIMÉNEZ CONSEQUENCES OF COMPUTER USE IN THE CLASSROOM MANUELA LARA l 221-1224 1225-l 226 :: SESSION 4: SCIENCE EDUCATION :: A CASE STUDY: THE U:'ll'fVERSITY ON-LINF. COURSE IN "SCIENCES AND TECHNOLOGIES FOR ENVJRONMENT AND TOURJSM" L. SETA A COMPUTER NETWORK TEACHER TRAINING SYSTEM 1227-1232 C. JOÁO GOMES AND HELENA CALDEIRA 1233-1236 A CONCEPT-BASED COOPERATI VE LEARNING APPROACH FOR SCIENCE COURSES 1237-1242 PEl-JIN TSAI AND GWO-JEN HWANG ANO CHIH-CHUN LAJ A VIRTUAL LABORA TORY ON THE INTER."IET AS SUPPORT FOR PHYSICS LABORATORY TRAINING IN TECHNICAL ENGINEERING STUOIES G. ARRANZ, M. A. GONZÁLEZ, M~ Á. MARTÍN, R. PÁRAMO, l 243-l 247 M. MONGIL, V.M. CALVO, Y. TORRES AND M• J. SANT AOLA YA A VIRTUAL METEOROLOGICAL STATION IN THE TEACHING AND LEARNING OF THE SCIENCES OF THE ATMOSPHERE M.A.R. TALAIA, P.M.A. TALAIA AND H.A. AMORlM XIV 1248-1252 1 A VIRTUAL NUCLEAR PHYSICS LABORATORY FOR e-LEARNfNG W. TLACZAtA ANDA. ZAGÓRSKI DIDACTIC AL TERNATI VE FOR THEACHING: AN INTERACTIVE GUIDE OF CHEMISTRY 1253-1257 1258-1262 1 F. BASURTO VÁZQUEZANDM. AGUILAR TAMAYO AN ONLINE TEACHING TOOL: TUTORIALS OF MECHANISMS P. J. RODRÍGUEZ CERVANTES, F.T. SÁNCHEZ MARÍN, X. SANCHO BRU ANDA. PÉREZ GONZÁLEZ 1263-1266 LEARNING ORGANIC CHEMJSTRY WITH COMPUTER SOFTWARE M ..S. CUMENT BELLIDO, P. MARTÍNEZ-JIMÉNEZ, G. PEDROS PEREZ, M. V ARO MARTINEZ ANDA. PONTES-PEDRAJAS AUGMENTEO REALITY FOR TEACHING MULTl-VARIATE CALCULUS MANUSCRIPT FOR M-ICTE 2003 1267-1270 l271-l275 N. AL VAREZ. J. E. JARAMfLLO. J. RESTREPO, H. TREFFTZ. P.ESTEBAN COLLABORA TIVE LEARNING ENVIRONMENT AND MODELLING ACTIVITIES IN PRIMAR Y AND SECONDARY EDUCA TION: THE MODELLINGSPACE PROJECT 1276-1280 A. DIMITRACOPOULOU. G. FESSAKJS. B. GALLEGO AND R.MELENDEZ COMPUTER FITTING AND VIRTUAL MEASUREMENTS IN CREATIVE EDUCA TIONAL PHYSICS PROBLEMS 128 l-1285 A.KAZACHKOV, YU.VASYLEVSKA, A.KRIVCHlKOV ANDT.IGNATOVA COMPUTER-AIOED PRACTJCALS FOR PHYSICS AND STRUCTURE MECHANICS l 286-l 287 1 J TORT AUSINA; A SALANDJN; R MARTÍNEZ SALA VIRTUAL LABORATORY DEVELOPMENT IN SCJENCE ANO TECHNOLOGY TEACHING P. MARTINEZ-JIMENEZ, M. VAR.0-MARTJNEZ. G. PEDRÓS-PÉREZ, A. PONTESPEDRAJAS, J.M. MARTINEZ-HMi:::NEZ, M.S. CLJMF.NT- BELLIDO. J. FERNÁNDEZ SÁNCHEZ AND A.M. J/Mr~NEZ MARTÍNEZ DEVELOPING UNDERSTANDJNG OF ASTRONOMICAL CONCEPTS BY USING A VIRTUAL SOLAR SYSTF.M (\'SS) ~LHANAN 1288-1291 1292-1296 GA21T AND DA VID CHEN DIGITAL HYPERBOOK: IMPACTON STUDENTS OF EDUCATIONAL TECHNOLOGY A T THE CHEMISTRY DEPARTMENT OF THE Ul\'IVERSITY OFPORTO 1297-1300 FERNANDO CVNHA AND JOAO C. PAIVA DIGITAL STEREOSCOPY IN CHEMISTRY EDUCA TJON JOANA DEARAÚJO CORREIA AND JOAO CARLOS PAIVA 1301-1304 DINAMET: A CONSTRUCTIVIST APPROACH TO ADAPTIVE EOUCA TIONAL HYPERMEDIA SYSTEMS 1305-l 308 MIGUEL MONTERO LÓPEZ AND ELENA GAUDIOSO VÁZQL!E?, ENHANCING CROSS F ACUL TY TEACHING USING WEB-BASED AC"flVITIES 1309-1313 M. D. SHARMA, 1. COOPER, AND C. STEWART EVALUATJON Of WEB CTPLATFORM BY PARTICIPANTS IN A COLLABORA TIVE LEARNING EXPERIENCE IN SCIENCE EDUCATION 1314-13 l 8 MANUEL JUÁREZ ANO GUILLERMINA WALDEGG EXPLORATION GUIDES FOR EOUCATIONAL SOFTWARE: ARE THEY HELPFUL? 1319~1323 LUIZA Al.VES DA COSTA ANO JOÁO C. PAlVA IMPLEMENTATION OF EUROPEAN CREDITS. DIRECTED ACTIVJTIES: USE OF DVD FOR THE MEASUREMENT IN CHEMJSTRY 1324-1325 J. BARBOSA, G. FONRODONA AND J. GUlTERAS NEW TECHNOLOGIES ANO THE WATER CYCLE CONTRIBUTION TO TEACHING I LEARNING USJNG LABORATORIAL TECHNIQUES 1326-1330 M.A.R. TALAIA. H.A. 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MIETZEL, H.-P. MUSAHL, AND L. WORMUTH REUTILIZACIÓN DE ENTORNOS PROPIETARlOS COMO COMPONENTES LOCALES Y DISTRIBUÍDOS EN EL DESARROLLO DE SOFTWARE EDUCATIVO EMILIO GARCÍA ROSELLÓ, JACINTO GONZÁLEZ DACOSTA, MANUEL PÉREZ COTA, DIEGO PlNO GARCÍA AND J. BALTASAR GARCÍA PÉREZ-SCHOFIELD SIMGRUA - A VIRTUAL SIMULATOR FOR TRAINNING l 1790-1794 Luis CARLOS DA SIL VA BRUNO AND JOÁO MADEIRAS PERElRA l 795-1799 SINGLE-SOURCE l~TERACTIVE ANO PRINTED CONTENT PUBLISHING USING THE DOCBOOK XML STANDARD 1800-l 804 D. MOLLOY COMMUNICA TION ERGOl'iOMICS - DISTRIBUTED ANO FINE-GRAINEO MODULES FOR TEACHING THE DESIGN OF INTERACTIVE SYSTEMS SABRfNA GElSSLER J 805-1809 STATISTJCAL ANAL YSIS OF THE !\A VIGATIONAL STEPS IN MULTIMEDIA SOFTWARE 1810-1813 LÁSZLÓ BOGNÁR AND TIBOR FAUSZT STUDENT MODELING USING SOM FOR ADAPTIVE HYPERMEDIA LEARNING 18l4-18t8 CHJEN-SING LEE, YASHWANT PRASAD SINGH 2 AND CHEK LINO NGO STUDENT PROGRESS EV ALUA TION WEB TOOL A. PRfETO RAMOS, P. CLEMENTE MARTÍN, J. GONZÁLEZ RODRÍGUEZ, R. 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PRIETO ARAMBlLLET 1851-1854 USER INTERFACE AND FEATURES 01' AULA WEB E-LEARNING SYSTEM A. LÓPEZ, J. C. PÉREZ, C. ZOIDO. P. A VENDAÑO, T. HERNÁNDEZ. E. VJLLl\LAR, J.A. MARTÍN, J.A. CRIADO. R. MARTÍNEZ ANDA. GARCÍA-BELTRÁN USING A VIRTUAL DESKTOP FOR LEARNING PROJECT MANAGEMENT l. BOUKHRlSS, L. CHEVASSU. A. K.APLAN, S. MAILLES USING CONCEPT MAPS TO ANAL YZE THE PRESENTATION OF CPU CONCEPTS IN HIGH SCHOOL COMPUTER TEXTBOOKS CHENG-CHIH WU. HUANG-KUANG LAI, GREG C. LEE, AND CHfN-YUAN LAI USING THE SONY PLA YST A TION2 TO LEARN COMPUTER ARCHITECTURE 1855- I 859 1860-1864 1865-1869 1870-1874 R. GARCÍA. J.M. PALOMARES, J. GONZÁLEZ,J. ORTEGA. H. POMARES AND l. ROJAS VIRTUAL CAMPUS: SOME SWISS EXAMPLES NICOLETTA M.R. SALA VIRTUAL REALfTY: A TOOL WITH A STING IN THE TAIL CAROLINF. H KING AND ROBERT JI BARBOUR -· 1875-1879 1880-1883 VfSlJAf,SDH, A TOOL TO LEARN SDH ISA BEL ROMÁN. JOSE A. GÓMEZ-ARGUDO. GERMÁN MADINABEITIA ANO JOSE F. LEÓN VOCAL PLATFORM FOR TELEPHONE VOICE PORTALS AND INTERNET BASEDINTERFACES V.TOMJCO, N.MORALES. E.CAMPOS. J.TEJEDOR, D.BOLAÑOS, S.JIMENEZ. J.GARRIOO, J.COLAS XXII I 884-1888 1889-1893 WEB BASED SCIENCE TEACHER TRAINING: FEDS APPROACH BULENT CA VAS, TARJK KfSLA, LEVENT CA V AS AND TEOMAN ESERCIOGLU WEB-BASED ACCESS CONTROL SYSTEM 1894-1898 ANA TEIXEIRA, CRISTINA SANTOS, FERNANDO RJBEIRO, I:URJCO LOPES J 899-1902 WHY AM 1 CONFUSED: AN EXPLORATORY LOOK INTO THE ROLE OF AFFECT IN LEARNING 1903-1906 S. O. CRAJG ANDA C. GRA.ESSER XML TECHNOLOGY USED TO SOLVE DIFFERENT PROBLEMS R. ISJDRO, A ANJO AND J.S. PINTO 1907-1911 ADAPTING E-LEARNING RESOURCES TO A RIGHT-TO-LEFT LANGUAGE: THE CASE OF ARABIC AS A FOREIGN LANGUAGE 1912-1916 L. HAOUET TRANSITION FROM E-LEARNING TOWARDS M-LEARNING J. l. LARRAURI ,J. GARCIA ANDE. KAHORAHO METADATOS DE OBJETOS EDUCACIONALES 1917-1921 VÍCTOR MARTÍN GARCÍA ANO VÍCTOR LOZANO DE PABLO 1922-1926 SCRIPTING STRA TEGJES IN COMPUTER SUPPORTED COLLABORATJVE LEARNING ENVIRONl\fENTS I 927-1932 M P. NOTAR! AND D. K SCHNEIDER :: SESSION 7: ARTIFICIAL INTELLIGENCE, INTELLIGENT TUTORING SYSTEMS, MACHINE LEARNING :: A FUZZY APPROACH TO FACIAL EXPRESSION ANALYSIS IN JNTELLIGENT TUTORING SYSTEMS CHAO FAN, ABDOLHOSSEJN SARRAFZADEH, SCOTT P. OVERMYER, HAMID GHOLAM HOSSElNI, MORTEZA BIGLARI-ABHARI AND ABBAS BIGDELI ALFANET: AN ADAPTJVE E-LEARNJNG PLATFORM l 933-I 937 O.C.SAl'iTOS, E.GAUDIOSO, C.BARRERA ANO J.G.BOTICARlO 1938-1943 AN AGENT-BASED ARCHITECTURE FOR THE DEVELOPMENT OF NTELLIGENT VIRTUAL TRAINING ENVIRONMENTS 1944-1949 A.DE ANTONIO, R.IMBERT, J.RAMIREZ, G.MENDEZ AN EDUCA TIONAL ONTOLOGY FOR A COLLABORATIVE LEARNING ENVIRONMENT 1950-1954 R. AMOR1M, M. LAMA, E. SÁNCHEZ ANO X.A. VJLA AN EXPLORATORY LEARNING ENVIRONMENT BASED ON HYPOTHETICAL ANO NEGATIVE QUESTION ANSWERJNG FACILITIES. 1955-1959 CYNTHIA J. MARTINCIC AND DOUGLAS P. METZLER CHALLENGES OF A BLENDED LEARNING SYSTEM IN TRADITIONAL ENGINEERING FACULTIES 1960-1963 A. GARCÍA-BELTRÁN ANO R. MARTÍl"JEZ TRAINING TEACHERS IN TEACHING DECISION-MAKING SKILLS ARNOLDO RODRÍGUEZ, ESMA ArMEUR AND FELlSA J. V AZQfJEZ-ABAD I 964-1968 "DYNAMIC GENERA TION OF COLLABORATIVE REUSABLE LEARNlNG OBJECTS DEVELOPERS' COl\-fMUNITIES". 1969-1974 CARMEN L. PADRÓN, JUAN MANUEL DODERO, PALOMA DÍAZ AND IGNACIO AEDO xxur EDUCATIONAL INTERACTIVE SOFTWARE AS A SUPPORT TO THE TEACHING OF ARTIFICAL NEURAL NETWORK METHODOLOGY APPLJED TO A CLASSIFICATION PROBLEM J975-1979 M. CUPIC, J. SNAJDER AND B. DALBELO BASIC E-LEARNING SYSTEMS AND DIGITAL LIBRARIES WORKING TOGETHER 1980-1984 VILLAMAÑE, MIKEL; SANZ, SILVIA FPGA ll\fPLEMENTATION OF FACIAL EXPRESSION ANALYSIS FOR INTELLIGENT TUTORING SYSTEMS MORTEZA BIGLAR1-ABHAR1, ABBAS BIGDELI, CHAO FAN, ABDOLHOSSE1N SARRAFZADEH AND SCOTT P. OVERMYER 1985-1989 INTELLIGENT TUTORING SYSTEMS - PAST, PRESENT AND FUTURE JOAO PAULO ARAUJO AND ORLANDO BELO 1990-1994 THE USE OF ARTIFICIAL INTELLIGENCE IN A RURAL PUBLJC SCHOOL SYSTEM 1995-1998 S.ENWEF A ANO R. ENWEFA USING LEARNING OBJECTS IN A PROJECT-BASED PEDAGOGY: AN APPLICATION TO TEACH INFORMATION SYSTEM DESIGN 1999-2003 ALBERTO FARO, DANlELA GrORDANO ANO SJMONA MlNEO J VALIDATING THE DETECTION OF A STUDENT'S MOTIVATIONAL STATE ANGEL DE VICENTE AND HELEN PAIN 2004-2008 WEB-BASED TUTORS FOR COLLABORATIVE E-LEARNING 2009-2013 ARACELr ARRJAGA MOHAMED EL ALAMI, FERNANDO DE ARRlAGA aLFanet 2014 O.C.SANTOS, J.G.BOTICARIO AND E.J.R. KOPER THE EDUCA TIONAL INFOAAlATICS PERFORMANCE SCALE PRELIMINARY EV ALUA TION WITH TEACHERS M. C. R. A. JOL Y, G. de S. FRANCO ANO A. F.NICOLAU PROYECTO TEMU EX - INVESTIGACIO~ Y FORMACION SOBRE TELETRABAJO Y MUJER EN EXTREMADURA A. MENDEZ-VILAS, J.A. MESA GONZALEZ, BORJA GONZALEZ, J.MESA GONZALEZ, I.SOLO DE ZALDIVAR ANDA. AGUDO RODRIGUE.Z XXJV 2015-2019 1 2020~2026 Advances in Technology·Based &:lucation: Toward a .Knowledge-Based Society ANALYSING THE ADVANTAGES OF USING EXPLORATJON AND EXPLOITATION STRATEGIES IN AN ADAPTIVE AND INTELLIGENT EDUCATIONAL SYSTEM ANA IGLESIAS, PALOMA MARTÍNEZ, RICARDO ALER ANO FERNANDO FERNÁNDEZ CCJmputer Science Department, University Carlos !11 of Madrid, Avda. de la Universidad, 30, 2891J- leganés (Madrid), SPAIN. E-mail: {aiglesía, pmf aler,!femand}@infuc3m.es One of the most impon.ani issues in Adaptive and Jntelligent EducarionaJ Systems (AIES) is to define etrective pedagogical strategies for tutoring students according to their needs. ln previous papcrs we llave proposed to use a pcdagogical knowledge re¡=sentation based on a Reinforcement Learning (RL) model. Using the reinforcement leacning model, the system is able ro automacically Jeam which is the besr pedagogical way to teach each student individually based only on aC<¡uired experience with other students with similar Jcarning characterisrics, like a human tutor docs. ln this paper we study the viabilit)' of the application of !he RL model in a DataBase ~ign (DBD) AIES using in this study simulated studencs. The viability is measured on 1hree imp<irtant íssues. First, we are going to check that the system converges to a pedagogical policy when it intl.:nl.cts with simulated students with different leaming characteristics. Second, we a:rc going to prove that tite system leams a11 optima! pedagogical strategy, measu.red in number of actions that the system mu.st ex~ute to teach ali the contents to tbe student. And third, we are going to prove that the system does not need many st\1dents to lean1 to teacll optimally. Choosing a good exploration and exploitation strategy is detcnnioant for the three eleme11cs defined above, so two typical explorationfexploitatíon policies in RL problem.s have been used for the experiments in order to analyze tbe dífferences between them when thc system teaches sítnulated students: the e-greedy and the Boltzmann exploration straregies. 1 Iotroduction Web-based Adaptive and Intelligent Educational Systems (Web-based AJES) are distance educational systems based on Internet that have three useful benefits: classroom independence, platfonn independence and adaptability to tbe leamers according ro their needs behaving in an intelligent way. The Web-based AIES systems are not totaJly a new type of systems, but they stem from lntelligent Tutoring Systems (ITS) f7] and Adaptive Hypennedia Systems (AHS) [1]. In a previous paper (2], we have proposed to use a pedagogical knowledge representation based on a Reinforcement Leaming (RL) model [4] that allows AIESs to adapt tutoring lo student's needs, sequencing the content in an optimal way based on the studcnt's performance, lesson objcctives and the relationships between course modules, avoiding to define ali static and predefined pedagogical policies for each student. In this paper we study the viability of the application of the RL model in a DataBase Design (DBD) AIES by the demonstration of three important issues. First, we will show that the system converges to a pedagogical policy when it interacr:s with simulated students with severa! leaming characteristics. Second, that the policy achieved is optimal, where the concept of optimality is measured in tetn\S of nurnber of actions that the system must execute to teach ali the contents to !he student. And third, we will show that the system does not need many students to leam to teach optimally, so with a reduced number of interactions with initial students, the optimal policy ís achieved. But in this paper we also study how the choice of a good exploration and exploitation strategy is detenninant for the convergence of the system. Two typical exploration/exploitation policies in RL problems have been studied, the e-greedy and the Boltzmann exploratíon policies (4], in order to analyze the differences between them when the system teaches símulated students, concludjng the advantages that the Boltzmann strategy will introduce in the AIES executions with real students. The paper is organized as follow: first, the architecture of the DBD AIES used in this work will be described in Sectioo 2, as well as the definition of the DBD AJES system as a RL problem. Then, different experiments cornparing the e-greedy exploration policy and the Boltzmann exploration policy in our system are presented in Section 3. Finally, the main conclusions and further research ofthis work are given. 2 Adaptive and lntelligent Education System as a Reinforcement Learning problem 489 Advances in Technology-Based Education: Toward a Knowledge-Based Society The definition ofthe AIES pedagogícal module as a RL problem is described in a previous paper (2J. The paper describes the system architecture composed of four modules. For the domain module we have proposed to structure the knowledge hierarchically (a knowledge tree), where each topic has been divided into sUb·topícs, and these in other sub-topics, and so on_ At the same time, each node of the tree contains sets of tasks (definitions, examples, problems, exercises, etc.) in severa] formats (image, text, video, etc.). Figure LA shoWs the domain used for the experiments. For the student module, a classification of the students has been done based on their leaming characteristics. For the intelface module, we try to adapt the contents to each student showing them in ditferent fonnats. And, finally, in the pedagogica/ module we define the AJES as a RL problem. In figure l .B we can see the Q-leaming algorithm [6] used in RL problems adapted to our systern. This algorithm uses the action-value function Q(s,a}, that estimates the usefulness of executing one action, a (showing leaves ofthe knowledge tree (tasks) to a student) when the system is in certain .knowledge state s (the .knowledge acquired by the student so far). The Q(s,a) function at the figure l .B uses the parameter y that controls the relative importance of future action rewards with respect to new ones, and the a parameter (the leaming rate), that indicates how quickly the system Iearns. In [2] how the Q-leaming algorithm is adapted to the Adaptive and Intelligent Educational System domain is explained. B Q-learning adapted to AlES domaio l> FoT each pair (sE S, uA). initialise lhe table entry Q(s,a). Test the currcnt student lcnowledge, obtaining s ~ Do foreveT 2. Sclcct a k.nowledge rrce Jeave foUowing ao c11piora1ion stn1tc8)'. a, to show to thc student. Rcccive the immcdiate rcward, r. A positive reward is receivcd when the AIES goal is achicYCd (the studcnt Jeams ali thc IOpics). A nuJJ reward is 3. Test thc ClllTC!ll SIUdent 4. Updait the iable enuy for Q(s,a), that c1tima1cs tbe usefulness of cxecuting thc a action whcn the student is in • panicular .knowledge statc, s: Q(3,q¡•(l·a} Q(3.aj+ a{r+ y max•. Q(s ·.a')} Lct s the current studcnt knowledgc suite. s ·. 1. obtaincd in any olher Galle. 5. lcno~edge, s · Figure l. The figure A shows the knowledge tree used for the experiments. Tbe figure B shows the Q-Jeaming a!goritltnt adapted to AJES domain. In the step 1 of figure 1.B the system selects a knowledge tree leave (an action), a, to be displayed to the student. Choosing the next action to execute is very important for the convergence of the Q-learning algorithm, where the quality of the selected exploratioo/exploitation strategy is detenni~ant in the efficiency and efficacy for the attainment of the objectives marked. The exploitation strategy tries to use knowledge acquired previously, and the exploration strategy tries to find new altematives in order to obtain the objectives efficiently. A great variety of exploitation strategies could be used in reinforcement Jearning problems [5]. Two typical exploration/exploitation strategies have been used in these experiments: the e-greedy and the Boltzmann strategies [4). The e-greedy strategy tries to select the action with greater value of the Q function when the system is at the s state (Q(s,a)) with a probability of (l -e). That is to say, when e= l , the system selects the next action to execute randornly. We are going to vary the e parameter from the value 1 (wheo the system chooses the next action to execute randomly) to the value 0.1 (when the system usually chooses the next action trusting in the Q values obtained by the previous experience). Oo the other hand, the Boltzmann exploration policy estimates de probability of choosing the action a according to the function defined in equation (1), wbere Ois a positive pararneter called the temperature. Ifthe temperature is high, ali the probabilities of the actions have similar values and if the temperature is Jow, it causes a great difference in the probability of selecting each action. Q,<a) e-P(a) == _ _...._-r_Q.-<~-¡ '\'n e - L.,.,¡,=) 490 T (1) Advances in Technology-Based Education: Toward a Knowledge-Based Society 3 E.x:perimental results comparing e-greedy and Bolztmann exploration/e:xploitation strategies In this Section, we present sorne experiments showing the differences among the e-greedy and Boltzmann exploratjon/exploitation strategies. As the domain is stochastic, the same experirnent has been carried out l 00 times, and the average and the standard deviation produced when the system learns to teach in 100 times have been shown.. The purpose of tbese experiments is to show how the exploration st:rategies affect the convergence ofth~ AIES Jearning, analyzing the nwnber of students needed to use the system until the AIES leams to teach optimally. In the experiments, we have varied two learning parameters. 71ie learning rate (a), that we vary from 0.9 (when the system quickJy leams) to 0.1 (when the system slowly Ieams to teach). And the explor-ation versus exp/oitation strategies, explained in the previous section. Sorne parameters have been fixed for these experiments. The domain size has been fixed. working with the domain shown in figure l .A, which has eleven topics and twenty-two tasks (two actions for every topic). The student learning capability determinism has been fixed too. Our assumption is that a good studem model has been constructed and that students have been classified according to their critical charncteristícs in leaming. In this work, in order to simplify the experiments, we only consider one class of students, depending just on two Jeaming characteristics: from what kind of tasks the student can leam (definition, introduction and problem), and what format the material must be shown so that the student leams (video, text, etc.). Specifically, the student model we have built requires that students can leam from definition tasks ooly (but not from other tasks, Jike problems). Furthennore, according to the model, 95% of them leam using only the video format and the other 5% learn only with text fonnat. It is important to remark that these aspects are part of the student model, but the leaming system does not know them. Actually, the Jeaming system will leam the student model in the Q function. In a real-world situation, the students generated and simulated according to tbe student model would be substituted by actual. students. Also, the actions must be leamed in a predefmed and unknown order, that must be learned too. 3./ Experíments In this section, we present the experiments carried out with the a!gorithm Q-!earning and the e-greedy exploration policy and the Bo/lzmann exploration policy, in order to compare the differences among them. In thís experiments we have been interacting with sorne leamers belonging to the same class of student and noting after the simuJation for each student how many actions have been executed in order to learn ali the domain knowledge. The importance of choosing a good value for the e parameter of the e-greedy exploration policy is obscrved in the first experiment. • In Figure 2.A we can see how the system converges when the leaming rate (ex) is fixed to 0.1 (in [2J this value was shown to be very successful). The figure shows that when e=O. I, the average learning curve reaches values of 13,36 actions so that the system teaches ali the knowledge ofthe domain composed of 1J items when 50 students have interacted wíth the system. When e=0.5, the system needs 22, 76 actions for the teaching after 50 students. And when e=0.9, the system behaves aJmost randomly, needíng around 100 actions when 50 students have interacted with the AIES. Other values of the leaming rate parameter (ex) have been analyzed, but with the value ofO.l, the best results are obtained. • On the other hand, Figure 2.B shows the convergence of the standard deviation curve when a=O.l. We can see that when e=O.J the value ofthe standard deviation is almost O, when e=0,5 the value is around 20, and when e=0.9, the standard deviation reaches values between 55 and 160 actions. At the next experiment, the Boltzmann exploration policy has been used in order to choose the next actíon to execute. Although e-greedy action selection is an effective exploration policy, one drawback is that when it explores, it chooses equally among ali actions (choosing sorne times very bad actlons). The Boltzmann exploration policy estima tes de probability of choosíng the action a, depending on the temperature pararneter (:) defined in equation (1). High temperatures cause the actions to be ali (nearly) equiprobable and low temperatures cause a greater difference in selection probability for actions. • In Figure 3.A, we can see how the system converges when a:=O.l, but this time for the Boltzmann exp!oration policy. In this figure we can observe that when 50 students have interacted with the system, the AJES needs near 21 actions in order to teach the l 1 items of knowledge of the domain whatever the value of the temperature parameter ( C) is. 491 ·-.~~ Advances in Technology-Based Education: Toward a Knowledge-Based Society • :; On the other hand, the system standard deviation learn.ing curve of 100 executions when the learning rate is fixed to O. l is shown in Figure 3.B. In this figure we can observe that medium difference exists between actions whatever the value of the temperature is (between 15 and 25 actions of difference). A 300 ,- -· >-...-0.9 j 2SO i ,., t&> t:! ::: 1,_..........0.1 ----5¡ 200 • .. .. • - 1 'g 150 ~ too e~ B ~-~-~~~~~~-~ ~ -40 20 o o ~~~~:::: 150 100 numtrw Of 150 •"'dfnt8 Figure 2. The figure A shows lhe A(ES average Jeaming curve and the fig\U'eB shows the AlES $tandaJd deviation learníng curve for r:FO .1, Vll:!')'ing th e e pananeter of th e e-greedy eJtpl oral ion poi icy. A - · - -- - - -·- -· -···-·-- --¡ •eo 1110 § 11 :_;_ta:.,;~~0.9'1 ! --- J«nP8f"lllur.-0.5 i ¡~--,_.~"'!'°:.!.! 1'4() 120 'g 100 } 80 ~ eo e o 50 100 B 70 --------·---··-, ··..::;=t.;;.~;.o.9·r 1 í 1 .. : 150 ·: :....."""""""'"Qº5 i 50 !~·~·~ .. IDO ¡ 150 11umber of ~•'* f'lgure3 . Figure A shows !he A.IES average learoing C\ln'e and figure B shows the star.daro deviat'ion IC3rning curve for <!=11.l, wtying die temperature panmeter ( rj of the of the Boltvnann cxploration p01icy 3.2 Discussion The experiments canied out in the previous section show that when we use the Boltzmann exploration policy, the system needs in average more actions than when we use the e-greedy exploration policy in order to converge to optima! po!icies. For instance, with the e-greedy exploration policy when 50 students have interacted with the system, the AIES is able to teach executing only with an average of 13.36 actions when a ==0. I and e==O. l. On the other hand, with the Boltzmann exploration policy and 50 students, the system is able to teach the material with an average of2I actions when a=0.1 and r-=OJ. Moreover, we have noticed that the standard deviation values are lower in the e-greedy experiments than in the Boltzmann experiments. This is why sorne times at the second experiments the system is able to achíeve values of only l 1 actions. The Bo/tzmann exploration policy, however, includes two advantages when we are interacting with real students comparing with the e-greedy exploration policy. First, when the e-greedy strategy does not choose the best actíon, it chooses randomly among all actions, choosing sorne tjmes very bad actions. However, the Boltzmann strategy chooses among the other actions, not completely random, but taking into account their qualities. lf our system could show this probability to the students [3 ), they wouid choose the action to execute next, giving the student sorne sense of control oo the system (quality is always desired in educational systems in order to maintain the attention of the student). Furthennore, jf the learner often chooses the action with greater probability, the system would behave like the 0.9-greedy exploratjon policy, obtaining convergence capabilities of the greedy stratcgy. 4 Conclusions and Further Research In this paper we analyze sorne experiments carried out with simulated studcnts. These experiments have demonstrated how the system leams to teach by tría! and error at the same time that simulated students learn the AIES material. We have shown too that choosing a good exploration and exploitation strategy is deterrninant for the efficacy and efficiency at the convergence of the system. Two typical exploration/exploitation strategies 492 Advances in Techno!ogy-Based Education: Toward a Knowledge-Based Society ín RL problems have been used for the experiments in order to analyze the differences between them: the egreedy exploration policy and the Boltzmann exploration strategy. After the collection of the results of these experiments, we can conclude that the Bo!tzmann exploration policy introduces advantages in the AIES with real students, because the system could present the student severa! options for choosing the next action to execute (those that have híghest execution probabilities) and the student assumes the responsibility and the control of the teaching interaction. Furthennore, if the students follows the indications of the tutor, it behaves li.ke the greedy strategy. improving its convergence capabilitíes. Nevertheless, we have noticed that the 50 students needed in order for the system to converge when the Q tunction has not been initialized, may be a very large cost in many domains given that those students will work with a tooI that has not leamed to teach yet. ln a real situation we can solve this problern by initializing the Q function with ínformation of the domain module and/or initialízing it by interacting with simulated students with similar learning characteristics. Currently, we are studying the differences at the systern convergence wben the size of the domain varies and when more than one class of students interact with the system. Moreover, we are in volved in the evaluation of the system with real students instead of simulated students. Refereoces 1. Brusilovsk--y, P. 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