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» Understanding latent interactions in online social networks
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CHI
2010
ACM
15 years 3 months ago
Informal interactions in nonprofit networks
Nonprofit organizations often need to excel in coordinating with other organizations and must do so in a variety of contexts and levels from the informal to the formal. Their abil...
Jennifer Stoll, W. Keith Edwards, Elizabeth D. Myn...
COMSWARE
2008
IEEE
15 years 1 months ago
Extracting dense communities from telecom call graphs
Social networks refer to structures made of nodes that represent people or other entities embedded in a social context, and whose edges represent interaction between entities. Typi...
Vinayaka Pandit, Natwar Modani, Sougata Mukherjea,...
SDM
2007
SIAM
187views Data Mining» more  SDM 2007»
15 years 1 months ago
Topic Models over Text Streams: A Study of Batch and Online Unsupervised Learning
Topic modeling techniques have widespread use in text data mining applications. Some applications use batch models, which perform clustering on the document collection in aggregat...
Arindam Banerjee, Sugato Basu
WWW
2011
ACM
14 years 6 months ago
Estimating sizes of social networks via biased sampling
Online social networks have become very popular in recent years and their number of users is already measured in many hundreds of millions. For various commercial and sociological...
Liran Katzir, Edo Liberty, Oren Somekh
DEBU
2006
163views more  DEBU 2006»
14 years 12 months ago
Towards Activity Databases: Using Sensors and Statistical Models to Summarize People's Lives
Automated reasoning about human behavior is a central goal of artificial intelligence. In order to engage and intervene in a meaningful way, an intelligent system must be able to ...
Tanzeem Choudhury, Matthai Philipose, Danny Wyatt,...