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129
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SOCINFO
2010
14 years 11 months ago
2010
Abstract. Online recommender systems are a common target of attack. Existing research has focused on automated manipulation of recommender systems through the creation of shill acc...
ICWSM
2009
14 years 11 months ago
2009
Events and stories can be characterized by a set of descriptive, collocated keywords. Intuitively, documents describing the same event will contain similar sets of keywords, and t...
101
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CSCW
2010
ACM
15 years 10 months ago
2010
ACM
In this work we examine the characteristics of social activity and patterns of communication on Twitter, a prominent example of the emerging class of communication systems we call...
121
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ACL
2012
13 years 3 months ago
2012
Social Event Radar is a new social networking-based service platform, that aim to alert as well as monitor any merchandise flaws, food-safety related issues, unexpected eruption o...
146
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WAW
2004
Springer
15 years 6 months ago
2004
Springer
We develop an algorithm to detect community structure in complex networks. The algorithm is based on spectral methods and takes into account weights and links orientations. Since t...