4229 search results - page 356 / 846 » On the Optimality of Spiral Search |
161
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NA
2008
15 years 6 months ago
2008
Another hybrid conjugate gradient algorithm is subject to analysis. The parameter k is computed as a convex combination of HS k (Hestenes-Stiefel) and DY k (Dai-Yuan) algorithms, i...
180
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Recent work on language models for information retrieval has shown that smoothing language models is crucial for achieving good retrieval performance. Many different effective smo...
162
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TKDE
2008
15 years 6 months ago
2008
We present a genetic algorithm for tackling a file assignment problem for a large-scale video-on-demand system. The file assignment problem is to find the optimal replication and a...
157
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PVLDB
2010
15 years 5 months ago
2010
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
195
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SADM
2010
15 years 5 months ago
2010
The goal of frequent subgraph mining is to detect subgraphs that frequently occur in a dataset of graphs. In classification settings, one is often interested in discovering discr...