• Shebuti Rayana

Blog

Collective Opinion Spam Detection

24
Jun,2015

0

Collective Opinion Spam Detection: Bridging Review Networks and Metadata Abstract Online reviews capture the testimonials of “real” people and help shape the decisions of other consumers. Due to the financial gains associated with positive reviews, however, opinion spam has become a widespread problem,…

Selective Anomaly Ensemble

20
Feb,2015

0

Less is More: Building Selective Anomaly Ensemble Abstract Ensemble techniques for classification and clustering have long proven effective, yet anomaly ensembles have been barely studied. In this work, we tap into this gap and propose a new ensemble approach for…

Event Detection and Characterization in Dynamic Graphs

17
Sep,2014

0

Event Detection and Characterization in Dynamic Graphs from shebuti