By Arvind Arasu, Shivnath Babu, Jennifer Widom (auth.), Georg Lausen, Dan Suciu (eds.)
This e-book constitutes the completely refereed post-proceedings of the ninth overseas Workshop on Database Programming Languages, DBPL 2003, held in Potsdam, Germany in September 2003.
The 14 revised complete papers offered including an invited paper have been rigorously chosen in the course of around of reviewing and revision from 22 submissions. The papers are geared up in topical sections on static research, transactions, modeling information and companies, novel functions of XML and XQuery, and XML processing and validation.
Read Online or Download Database Programming Languages: 9th International Workshop, DBPL 2003, Potsdam, Germany, September 6-8, 2003. Revised Papers PDF
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Additional info for Database Programming Languages: 9th International Workshop, DBPL 2003, Potsdam, Germany, September 6-8, 2003. Revised Papers
H. Freeman and Company, San Francisco, 1979. 10. Alexander Koller, Joachim Niehren, and Ralf Treinen. Dominance constraints: Algorithms and complexity. In Proceedings of the Third Conference on Logical Aspects of Computational Linguistics, volume 2014 of Lecture Notes in Computer Science, pages 106–125, Grenoble, 2001. Springer - Verlag. 11. April Kwong and Michael Gertz. Schema-based optimization of xpath expressions. Technical report, University of California at Davis, 2002. 12. Gerome Miklau and Dan Suciu.
That is, given a bag of annotated tuples B, Unique(B) returns the set of tuples in B and for every tuple and every position in where We use the notation to denote the set of annotations at position of tuple The proof is shown in  and can be generalized to unions of conjunctive queries. Theorem 2. Given a conjunctive query Q, the result of evaluating Q in bag semantics and then applying the Unique operator is the same as the result of evaluating Q in set semantics. That is, Example 2 and Example 3 suggest that annotation-containment cannot be characterized through query containment alone.
0 data model. W3C Working Draft, 2002. org/TR/xpath-datamodel/. 9. Michael R. Garey and David S. Johnson. Computers and Intractability - A guide to NP-completeness. W. H. Freeman and Company, San Francisco, 1979. 10. Alexander Koller, Joachim Niehren, and Ralf Treinen. Dominance constraints: Algorithms and complexity. In Proceedings of the Third Conference on Logical Aspects of Computational Linguistics, volume 2014 of Lecture Notes in Computer Science, pages 106–125, Grenoble, 2001. Springer - Verlag.