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» Probabilistic query expansion using query logs
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VLDB
2004
ACM
112views Database» more  VLDB 2004»
14 years 9 months ago
Tracking set-expression cardinalities over continuous update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In i...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
SIGMOD
2003
ACM
158views Database» more  SIGMOD 2003»
14 years 9 months ago
Processing Set Expressions over Continuous Update Streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In ...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
WWW
2010
ACM
14 years 3 months ago
Large-scale bot detection for search engines
In this paper, we propose a semi-supervised learning approach for classifying program (bot) generated web search traffic from that of genuine human users. The work is motivated by...
Hongwen Kang, Kuansan Wang, David Soukal, Fritz Be...
PERCOM
2007
ACM
14 years 8 months ago
Achieving Flexible Cache Consistency for Pervasive Internet Access
Caching is an important technique to support pervasive Internet access. Cache consistency measures the deviation between the cached data and the source data. In mobile computing e...
Yu Huang 0002, Jiannong Cao, Zhijun Wang, Beihong ...
ICIP
2009
IEEE
14 years 10 months ago
Facial Marks: Soft Biometric For Face Recognition
We propose to utilize micro features, namely facial marks (e.g., freckles, moles, and scars) to improve face recognition and retrieval performance. Facial marks can be used in thr...