2228 search results - page 239 / 446 » A System for Semantic Query Optimization |
138
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AMW
2009
15 years 4 months ago
2009
Abstract. Peer data sharing systems use either schema-level or data-level mappings to resolve schema as well as data heterogeneity among data sources (peers). Schema-level mappings...
117
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VLDB
2007
ACM
15 years 9 months ago
2007
ACM
GridVine is a Peer Data Management System based on a decentralized access structure. Built following the principle of data independence, it separates a logical layer – where dat...
160
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CIKM
2008
Springer
15 years 5 months ago
2008
Springer
Finding biological entities (such as genes or proteins) that satisfy certain conditions from texts is an important and challenging task in biomedical information retrieval and tex...
166
Voted
JCDL
2003
ACM
15 years 8 months ago
2003
ACM
The increasing power of techniques to model complex geometry and extract meaning from 3D information create complex data that must be described, stored, and displayed to be useful...
133
Voted
CCS
2007
ACM
15 years 9 months ago
2007
ACM
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...