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102
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KRDB
2001
15 years 1 months ago
2001
We analyze several classes of path constraints for semistructured data in a unified framework and prove some decidability and complexity results for these constraints by embedding...
125
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KRDB
1996
15 years 1 months ago
1996
Metaprogramming adds new expressive power to logic programming which can be advantageous to transfer to the field of deductive databases. We propose metaprogramming as a way to mo...
100
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KRDB
1994
15 years 1 months ago
1994
We propose an architecture for large-scale knowledge base systems based on database technologies and the three levels of semantic construct - frames, objects and relations. The in...
KRDB
1998
15 years 1 months ago
1998
Buildinglarge Websites is similar in manywaysto building knowledgeand database systems. In particular, byprovidinga declarative,logical viewof a Website's data andstructure, ...
83
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KRDB
1998
15 years 1 months ago
1998
Previous researchers note the problem for semantic optimisation of database queries caused by its production of a large number of semantically equivalent alternative queries, from...