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...
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...
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...
Moira C. Norrie, Ulrich Reimer, Peter Lippuner, Mi...
Buildinglarge Websites is similar in manywaysto building knowledgeand database systems. In particular, byprovidinga declarative,logical viewof a Website's data andstructure, ...
Mary F. Fernandez, Daniela Florescu, Alon Y. Levy,...
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...