Georg Gottlob, Giorgio Orsi, Andreas Pieris (auth.), Johann's Advances in Databases and Information Systems: 15th PDF

By Georg Gottlob, Giorgio Orsi, Andreas Pieris (auth.), Johann Eder, Maria Bielikova, A Min Tjoa (eds.)

ISBN-10: 3642237363

ISBN-13: 9783642237362

This ebook constitutes the refereed court cases of the fifteenth overseas convention on Advances in Databases and data platforms, ADBIS 2011, held in Vienna, Austria, in September 2011.
The 30 revised complete papers provided including 2 complete size invited talks have been rigorously reviewed and chosen from one hundred and five submissions. they're geared up in topical sections on question processing; facts warehousing; DB structures; spatial facts; details structures; actual DB layout; evolution, integrity, defense; and knowledge semantics.

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Extra info for Advances in Databases and Information Systems: 15th International Conference, ADBIS 2011, Vienna, Austria, September 20-23, 2011. Proceedings

Example text

Testing implications of data dependencies. ACM Trans. Database Syst. 4(4), 455–469 (1979) 28. : Optimizing query answering under ontological constraints. In: PVLDB (2011) (in press) 29. : Computational complexity. Addison-Wesley, Reading (1994) 30. : Tractable query answering and rewriting under description logic constraints. Journal of Applied Logic 8(2), 151–232 (2009) 31. : Improving query answering over DL-Lite ontologies. In: Proc. KR (2010) 32. : On the complexity of bounded-variable queries.

LNCS, vol. 115, pp. 73–85. Springer, Heidelberg (1981) 6. : Owlim: A family of scalable semantic repositories. Semantic Web 2(1), 33–42 (2011) 7. : The expressive power of stratified logic programs with value invention. Inf. Comput. 147(1), 22–56 (1998) 8. : Taming the infinite chase: Query answering under expressive relational constraints. In: Proc. of KR, pp. 70–80 (2008) 18 G. Gottlob, G. Orsi, and A. Pieris 9. : A general Datalog-based framework for tractable query answering over ontologies.

E. generates new tokens, along the binary axes first-child, first-child-1, next-sibling, next-sibling-1, and self. The atomic token automata build a construction kit from which the final automaton representing an XPath query is built. , the XML document representation – controls, which transitions can be fired next, but there exist an external controlling instance – called DecisionModule – that decides, which transition will be fired next. In other words, the DecisionModule decides for each location step of the query whether it is evaluated top-down or bottomup, and at which time of the query evaluation this location step is evaluated.

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Advances in Databases and Information Systems: 15th International Conference, ADBIS 2011, Vienna, Austria, September 20-23, 2011. Proceedings by Georg Gottlob, Giorgio Orsi, Andreas Pieris (auth.), Johann Eder, Maria Bielikova, A Min Tjoa (eds.)


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