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CCS
2010
ACM
14 years 12 months ago
Detecting and characterizing social spam campaigns
Online social networks (OSNs) are popular collaboration and communication tools for millions of users and their friends. Unfortunately, in the wrong hands, they are also effective...
Hongyu Gao, Jun Hu, Christo Wilson, Zhichun Li, Ya...
ICPR
2010
IEEE
14 years 12 months ago
Images in News
A system, called NewsStand, is introduced that automatically extracts images from news articles. The system takes RSS feeds of news article and applies an online clustering algori...
Jagan Sankaranarayanan, Hanan Samet
CE
2008
128views more  CE 2008»
14 years 12 months ago
Beyond threaded discussion: Representational guidance in asynchronous collaborative learning environments
Although most online learning environments are predominately text based, researchers have argued that representational support for the conceptual structure of a problem would addr...
Daniel D. Suthers, Ravi K. Vatrapu, Richard Medina...
WWW
2007
ACM
16 years 12 days ago
Web object retrieval
The primary function of current Web search engines is essentially relevance ranking at the document level. However, myriad structured information about real-world objects is embed...
Zaiqing Nie, Yunxiao Ma, Shuming Shi, Ji-Rong Wen,...
DAC
2004
ACM
16 years 21 days ago
A scalable soft spot analysis methodology for compound noise effects in nano-meter circuits
Circuits using nano-meter technologies are becoming increasingly vulnerable to signal interference from multiple noise sources as well as radiation-induced soft errors. One way to...
Chong Zhao, Xiaoliang Bai, Sujit Dey