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142
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CIKM
2011
Springer
14 years 4 months ago
2011
Springer
We study the problem of detecting coordinated free text campaigns in large-scale social media. These campaigns – ranging from coordinated spam messages to promotional and advert...
140
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CIKM
2011
Springer
14 years 4 months ago
2011
Springer
Many large-scale Web applications that require ranked top-k retrieval are implemented using inverted indices. An inverted index represents a sparse term-document matrix, where non...
165
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WWW
2009
ACM
16 years 5 months ago
2009
ACM
We describe a system for synchronization and organization of user-contributed content from live music events. We start with a set of short video clips taken at a single event by m...
123
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WWW
2009
ACM
16 years 5 months ago
2009
ACM
Social tagging provides valuable and crucial information for large-scale web image retrieval. It is ontology-free and easy to obtain; however, irrelevant tags frequently appear, a...
136
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
This paper addresses several key issues in extraction and mining of an academic social network: 1) extraction of a researcher social network from the existing Web; 2) integration ...