3319 search results - page 527 / 664 » Type Theoretical Databases |
165
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NAR
2011
14 years 7 months ago
2011
A decade ago, the Gene Expression Omnibus (GEO) database was established at the National Center for Biotechnology Information (NCBI). The original objective of GEO was to serve as...
226
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SSD
2009
Springer
15 years 11 months ago
2009
Springer
The range nearest-neighbor (NN) query is an important query type in location-based services, as it can be applied to the case that an NN query has a spatial region, instead of a lo...
151
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STACS
2009
Springer
15 years 11 months ago
2009
Springer
The notions of hypertree width and generalized hypertree width were introduced by Gottlob, Leone, and Scarcello in order to extend the concept of hypergraph acyclicity. These noti...
134
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CIKM
2009
Springer
15 years 11 months ago
2009
Springer
In this paper we study approximate landmark-based methods for point-to-point distance estimation in very large networks. These methods involve selecting a subset of nodes as landm...
137
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CIKM
2009
Springer
15 years 11 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...