1836 search results - page 210 / 368 » Hierarchies for semantic classes |
122
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BMCBI
2011
14 years 5 months ago
2011
Background: The Cell Ontology (CL) is an ontology for the representation of in vivo cell types. As biological ontologies such as the CL grow in complexity, they become increasingl...
171
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ICDT
2009
ACM
15 years 11 months ago
2009
ACM
We study containment and equivalence of (unions of) conjunctive queries on relations annotated with elements of a commutative semiring. Such relations and the semantics of positiv...
165
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SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
Model management is an approach to simplify the programming of metadata-intensive applications. It offers developers powerful operators, such as Compose, Diff, and Merge, that are...
CONCUR
2009
Springer
15 years 5 months ago
2009
Springer
Abstract. We introduce model-checking games that allow local secondorder power on sets of independent transitions in the underlying partial order models where the games are played....
ACSC
2007
IEEE
15 years 5 months ago
2007
IEEE
Statistical learning methods are commonly applied in content-based video and image retrieval. Such methods require a large number of examples which are usually obtained through a ...