slides - Winlab

Social Awareness Streams: A
New (Social Layer)
Communication System
Mor Naaman
Rutgers SC&I
social awareness streams
email
telephone
instant messaging
mail
100,000,000s
social awareness streams:
1. passive consumption
social awareness streams:
2. public or semi-public
social awareness streams:
3. short content
social awareness streams:
4. highly connected social space
Blogs
Blogs => Flickr
Blogs => Flickr => Twitter
Blogs => Flickr => Twitter => 4Sq
Why?
Ames and Naaman (CHI 2007)
Naaman, Boase and Lai (CSCW 2010)
Nov, Naaman, Ye (2008-2010)
…
What?
1.  Go back up the media
richness scale?
2.  Create rich local
networks with colocated people?
1.  Event scenario: rich
sharing
2.  Extracting value from
current SAS
Relive with YouTube
vox civitas
NYC
vs.
Washington DC
Flickr in 1 Minute
Geographies
in
SAS
‐
Mor
Naaman
21
22
This is not an Arch
• 
• 
• 
• 
• 
Errors
Noise
Bias
Loose structure
…
5kkmm
6
Tag Patterns
Geographies
in
SAS
‐
Mor
Naaman
24
Tag Patterns
Geographies
in
SAS
‐
Mor
Naaman
25
Tag Patterns
Geographies
in
SAS
‐
Mor
Naaman
26
Tag Patterns
Geographies
in
SAS
‐
Mor
Naaman
27
A Better Understanding of Place?
Geographies
in
SAS
‐
Mor
Naaman
28
Intuition
More “activity” in a certain location indicates
the importance of that location
Tags that are unique to a certain location can
be used to represent the location
Ahern et al. [JCDL 2007]
Geographies
in
SAS
‐
Mor
Naaman
29
Algorithmic Concept
•  Document are clusters of photos
•  Simple, tf-idf scoring of each tag based
on clusters (document)
Ahern et al. [JCDL 2007]
Geographies
in
SAS
‐
Mor
Naaman
30
++40,000,000 photos:
Geographies
in
SAS
‐
Mor
Naaman
31
Live Demo
information
communication
Technology
media
[email protected]
mornaaman.com
thanks.
Mor Naaman, Jeff Boase and Chih-Hui Lai.
Is it Really About Me? Message Content
in Social Awareness Streams.
(CSCW 2010)