1452 search results - page 271 / 291 » The Effectiveness of Query Expansion for Distributed Informa... |
ICDCS
2009
IEEE
14 years 4 months ago
2009
IEEE
We address issues related to privacy protection in location-based services (LBS). Most existing research in this field either requires a trusted third-party (anonymizer) or uses ...
VLDB
2001
ACM
14 years 4 days ago
2001
ACM
“Peer-to-peer” systems like Napster and Gnutella have recently become popular for sharing information. In this paper, we study the relevant issues and tradeoffs in designing a...
SAC
2005
ACM
14 years 1 months ago
2005
ACM
Simulations of complex scientific phenomena involve the execution of massively parallel computer programs. These simulation programs generate large-scale multidimensional data set...
SAC
2008
ACM
13 years 7 months ago
2008
ACM
Recommender Systems (RS) aim at predicting items or ratings of items that the user are interested in. Collaborative Filtering (CF) algorithms such as user- and item-based methods ...
ECIR
2007
Springer
13 years 9 months ago
2007
Springer
: This paper describes a new algorithm for merging the results of remote collections in a distributed information retrieval environment. The algorithm makes use only of the ranks o...