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CSCW
2010
ACM
15 years 8 months ago
2010
ACM
In this work we examine the characteristics of social activity and patterns of communication on Twitter, a prominent example of the emerging class of communication systems we call...
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KDD
2009
ACM
16 years 4 days ago
2009
ACM
The increasing availability of electronic communication data, such as that arising from e-mail exchange, presents social and information scientists with new possibilities for char...
SC
2009
ACM
15 years 4 months ago
2009
ACM
The Social Informatics Data Grid (SIDGrid) is a new cyberinfrastructure designed to transform how social and behavioral scientists collect and annotate data, collaborate and share...
PODS
2000
ACM
15 years 4 months ago
2000
ACM
An estimation algorithm for a query is a probabilistic algorithm that computes an approximation for the size (number of tuples) of the query. One class of estimation algorithms us...
CAS
2004
14 years 11 months ago
2004
? Network analysis, an area of mathematical sociology and anthropology crucial to the linking of theory and observation, developed dramatically in recent decades. These development...