5130 search results - page 285 / 1026 » Constraint Query Languages |
194
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ICVS
2009
Springer
16 years 1 months ago
2009
Springer
An approach to target-based image retrieval is described based on on-line rank-based learning. User feedback obtained via interaction with 2D image layouts provides qualitative co...
157
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VLDB
2005
ACM
16 years 1 days ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
225
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STOC
2012
ACM
13 years 9 months ago
2012
ACM
We consider submodular optimization problems, and provide a general way of translating oracle inapproximability results arising from the symmetry gap technique to computational co...
198
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ADBIS
2006
Springer
15 years 10 months ago
2006
Springer
Abstract. XML query processors suffer from main-memory limitations that prevent them from processing large XML documents. While content-based predicates can be used to project down...
181
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COOPIS
1996
IEEE
15 years 10 months ago
1996
IEEE
A federated database is comprised of multiple interconnected database systems that primarily operate independently but cooperate to a certain extent. Global integrity constraints c...