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ASPLOS
2004
ACM
14 years 3 months ago
D-SPTF: decentralized request distribution in brick-based storage systems
Distributed Shortest-Positioning Time First (D-SPTF) is a request distribution protocol for decentralized systems of storage servers. D-SPTF exploits high-speed interconnects to d...
Christopher R. Lumb, Richard A. Golding
KDD
2008
ACM
115views Data Mining» more  KDD 2008»
14 years 10 months ago
Topical query decomposition
We introduce the problem of query decomposition, where we are given a query and a document retrieval system, and we want to produce a small set of queries whose union of resulting...
Francesco Bonchi, Carlos Castillo, Debora Donato, ...
SIGMOD
2007
ACM
196views Database» more  SIGMOD 2007»
14 years 10 months ago
GPUQP: query co-processing using graphics processors
We present GPUQP, a relational query engine that employs both CPUs and GPUs (Graphics Processing Units) for in-memory query co-processing. GPUs are commodity processors traditiona...
Rui Fang, Bingsheng He, Mian Lu, Ke Yang, Naga K. ...
SIGIR
2009
ACM
14 years 4 months ago
Effective query expansion for federated search
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
Milad Shokouhi, Leif Azzopardi, Paul Thomas
SIGIR
2005
ACM
14 years 3 months ago
The loquacious user: a document-independent source of terms for query expansion
In this paper we investigate the effectiveness of a documentindependent technique for eliciting feedback from users about their information problems. We propose that such a techni...
Diane Kelly, Vijay Deepak Dollu, Xin Fu