2516 search results - page 246 / 504 » Integrity Constraints for XML |
165
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PUK
2000
15 years 8 months ago
2000
In a real planning problem, there exists a set of constraints (both temporal constraints and resource usage constraints) which must be satisfied in order to obtain a feasible plan....
153
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ICDM
2005
IEEE
16 years 5 days ago
2005
IEEE
We consider the problem of integrating a large number of interface schemas over the Deep Web, The scale of the problem and the diversity of the sources present serious challenges ...
194
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SAC
1997
ACM
15 years 10 months ago
1997
ACM
Infomaster is an information integration system. It provides integrated access to distributed, heterogeneous information sources, thus giving its users the illusion of a centraliz...
172
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WEBDB
2009
Springer
16 years 1 months ago
2009
Springer
We study the problem of automatically discovering semantic associations between schema elements, namely foreign keys. This problem is important in all applications where data sets...
165
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FOCS
2008
IEEE
16 years 1 months ago
2008
IEEE
We show that for k ≥ 3 even the Ω(n) level of the Lasserre hierarchy cannot disprove a random k-CSP instance over any predicate type implied by k-XOR constraints, for example ...