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DRR
2004
15 years 8 months ago
Retrieving topical sentiments from online document collections
Retrieving documents by subject matter is the general goal of information retrieval and other content access systems. There are other aspects of textual content, however, which fo...
Matthew F. Hurst, Kamal Nigam
IADIS
2003
15 years 7 months ago
An Examination of the Relationship between Information Provided and Sales When Dealing Online
This study stems from a suggestion in the literature (Lohse and Spiller, 1999) that for some products an increase in the amount of information presented on a web site has a negati...
Aritz Lopez Trueba, Thomas Chesney
ISI
2008
Springer
15 years 6 months ago
Analysis of cyberactivism: A case study of online free Tibet activities
In this paper, we study the problem of anomaly detection in high-dimensional network streams. We have developed a new technique, called Stream Projected Ouliter deTector (SPOT), t...
Tianjun Fu, Hsinchun Chen
AMMA
2009
Springer
16 years 29 days ago
Manipulating Scrip Systems: Sybils and Collusion
Abstract. Game-theoretic analyses of distributed and peer-to-peer systems typically use the Nash equilibrium solution concept, but this explicitly excludes the possibility of strat...
Ian A. Kash, Eric J. Friedman, Joseph Y. Halpern
INFOCOM
2008
IEEE
16 years 23 days ago
Attack-Tolerant Time-Synchronization in Wireless Sensor Networks
—Achieving secure time-synchronization in wireless sensor networks (WSNs) is a challenging, but very important problem that has not yet been addressed effectively. This paper pro...
Xin Hu, Taejoon Park, Kang G. Shin