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RECSYS
2009
ACM
14 years 8 days ago
An incentive-based architecture for social recommendations
We present an incentive-based architecture for providing recommendations in a social network. We maintain a distinct reputation system for each individual and we rely on users to ...
Rajat Bhattacharjee, Ashish Goel, Konstantinos Kol...
PVLDB
2008
116views more  PVLDB 2008»
13 years 5 months ago
Tighter estimation using bottom k sketches
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...
Edith Cohen, Haim Kaplan
P2PKM
2004
13 years 7 months ago
A Space-Efficient Model for Sharing Personal Knowledge Objects in Peer Communities
Abstract. In the future it is likely that peer communities will be routinely established for the purpose of sharing electronic resources and targeted information among groups of pe...
Fred S. Annexstein, Kenneth A. Berman
KDD
2005
ACM
182views Data Mining» more  KDD 2005»
14 years 6 months ago
Making holistic schema matching robust: an ensemble approach
The Web has been rapidly "deepened" by myriad searchable databases online, where data are hidden behind query interfaces. As an essential task toward integrating these m...
Bin He, Kevin Chen-Chuan Chang
MM
2006
ACM
168views Multimedia» more  MM 2006»
13 years 11 months ago
Scalability of local image descriptors: a comparative study
Computer vision researchers have recently proposed several local descriptor schemes. Due to lack of database support, however, these descriptors have only been evaluated using sma...
Herwig Lejsek, Friðrik Heiðar Ásmun...