228 search results - page 20 / 46 » Relational queries over interpreted structures |
158
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PODS
2004
ACM
16 years 4 months ago
2004
ACM
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
143
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VLDB
1994
ACM
15 years 8 months ago
1994
ACM
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
135
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ENTCS
2007
15 years 4 months ago
2007
Strategies are a powerful mechanism to control rule application in rule-based systems. For instance, different transition relations can be defined and then combined by means of ...
217
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CVPR
2009
IEEE
16 years 11 months ago
2009
IEEE
Non-rigid object detection and articulated pose estimation
are two related and challenging problems in computer
vision. Numerous models have been proposed over the
years and oft...
143
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FOCS
2003
IEEE
15 years 9 months ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...