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SIGIR
2010
ACM
14 years 9 months ago
Score distribution models: assumptions, intuition, and robustness to score manipulation
Inferring the score distribution of relevant and non-relevant documents is an essential task for many IR applications (e.g. information filtering, recall-oriented IR, meta-search,...
Evangelos Kanoulas, Keshi Dai, Virgiliu Pavlu, Jav...
SIGMETRICS
2010
ACM
193views Hardware» more  SIGMETRICS 2010»
14 years 9 months ago
Distributed caching over heterogeneous mobile networks
Sharing content over a mobile network through opportunistic contacts has recently received considerable attention. In proposed scenarios, users store content they download in a lo...
Stratis Ioannidis, Laurent Massoulié, Augus...
SIGMOD
2010
ACM
210views Database» more  SIGMOD 2010»
14 years 9 months ago
Searching trajectories by locations: an efficiency study
Trajectory search has long been an attractive and challenging topic which blooms various interesting applications in spatial-temporal databases. In this work, we study a new probl...
Zaiben Chen, Heng Tao Shen, Xiaofang Zhou, Yu Zhen...
WWW
2010
ACM
14 years 9 months ago
Randomization tests for distinguishing social influence and homophily effects
Relational autocorrelation is ubiquitous in relational domains. This observed correlation between class labels of linked instances in a network (e.g., two friends are more likely ...
Timothy La Fond, Jennifer Neville
ECAI
2010
Springer
14 years 9 months ago
On the stability of an Optimal Coalition Structure
The two main questions in coalition games are 1) what coalitions should form and 2) how to distribute the value of each coalition between its members. When a game is not superaddit...
Stéphane Airiau, Sandip Sen