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

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

This publication constitutes the refereed court cases of the fifteenth foreign 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 platforms; spatial information; info platforms; actual DB layout; evolution, integrity, safeguard; and information semantics.

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M. ) ER 2009. LNCS, vol. 5829, pp. 175–190. Springer, Heidelberg (2009) 11. : Advanced processing for ontological queries. PVLDB 3(1), 554–565 (2010) 12. : Query answering under expressive Entity-Relationship schemata. , Wand, Y. ) ER 2010. LNCS, vol. 6412, pp. 347–361. Springer, Heidelberg (2010) 13. : Query answering under non-guarded rules in Datalog± . , Lukasiewicz, T. ) RR 2010. LNCS, vol. 6333, pp. 1–17. Springer, Heidelberg (2010) 14. : Query rewriting under non-guarded rules. In: Proc.

In particular, the data vs. processes divide has the following effects: – Process-related and function-related data redundancy. The BPMS maintains data about the state of the process, since these data are needed in order to enable the system to schedule tasks, react to events and to evaluate predicates attached to decision points in the process. On the other hand, data entities manipulated by the process are stored in the database(s). The result is that data are managed sometimes redundantly at the database layer and at the process execution layer, thereby adding development and maintenance complexity.

Rewriting ontological queries into small non-recursive Datalog programs. In: Proc. of DL (2011) 24. : Testing containment of conjunctive queries under functional and inclusion dependencies. J. Comput. Syst. Sci. 28(1), 167–189 (1984) 25. : Resolution strategies as decision procedures. J. ACM 23, 398–417 (1976) 26. : The combined approach to query answering in DL-Lite. In: Proc. of KR (2010) 27. : Testing implications of data dependencies. ACM Trans. Database Syst. 4(4), 455–469 (1979) 28. : Optimizing query answering under ontological constraints.

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