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PODC
2010
ACM
15 years 8 months ago
Brief announcement: revisiting the power-law degree distribution for social graph analysis
The study of complex networks led to the belief that the connectivity of network nodes generally follows a Power-law distribution. In this work, we show that modeling large-scale ...
Alessandra Sala, Haitao Zheng, Ben Y. Zhao, Sabrin...
AAAI
2007
15 years 9 months ago
Temporal and Information Flow Based Event Detection from Social Text Streams
Recently, social text streams (e.g., blogs, web forums, and emails) have become ubiquitous with the evolution of the web. In some sense, social text streams are sensors of the rea...
Qiankun Zhao, Prasenjit Mitra, Bi Chen
MOBISYS
2008
ACM
16 years 6 months ago
Micro-Blog: sharing and querying content through mobile phones and social participation
Recent years have witnessed the impacts of distributed content sharing (Wikipedia, Blogger), social networks (Facebook, MySpace), sensor networks, and pervasive computing. We beli...
Al Schmidt, Jack Li, Landon P. Cox, Romit Roy Chou...
IAT
2009
IEEE
16 years 1 months ago
Social Trust-Aware Recommendation System: A T-Index Approach
Collaborative Filtering based on similarity suffers from a variety of problems such as sparsity and scalability. In this paper, we propose an ontological model of trust between us...
Alireza Zarghami, Soude Fazeli, Nima Dokoohaki, Mi...
CSCW
2012
ACM
14 years 2 months ago
Predicting tie strength in a new medium
We have friends we consider very close and acquaintances we barely know. The social sciences use the term tie strength to denote this differential closeness with the people in our...
Eric Gilbert