Martin Theobald, Luc De Raedt, Maximilian Dylla, Angelika's Advances in Databases and Information Systems: 17th East PDF

By Martin Theobald, Luc De Raedt, Maximilian Dylla, Angelika Kimmig, Iris Miliaraki (auth.), Barbara Catania, Giovanna Guerrini, Jaroslav Pokorný (eds.)

ISBN-10: 3642406823

ISBN-13: 9783642406829

ISBN-10: 3642406831

ISBN-13: 9783642406836

This booklet constitutes the completely refereed court cases of the seventeenth East-European convention on Advances in Databases and knowledge structures, ADBIS 2013, held in Genoa, Italy, in September 2013. The 26 revised complete papers awarded including 3 invited papers have been rigorously chosen and reviewed from ninety two submissions. The papers are prepared in topical sections on ontologies; indexing; facts mining; OLAP; XML information processing; querying; similarity seek; GPU; querying in parallel architectures; functionality assessment; allotted architectures.

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Extra info for Advances in Databases and Information Systems: 17th East European Conference, ADBIS 2013, Genoa, Italy, September 1-4, 2013. Proceedings

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ADBIS 2013, LNCS 8133, pp. 28–41, 2013. , periodic monitoring of blood pressure) are not taken into account in this work. Periodic data play an important role in Databases and a specific entry has been devoted to such a topic in the Encyclopedia of Database Systems by Springer. In the Encyclopedia [2], three main classes of Database implicit approaches to user-defined periodicities have been identified: – Deductive rule-based approaches, using deductive rules, and approaches in classical temporal logics [3].

Per. per . Let pat j = (start j , end j ) be any pattern in the table Pattern. V Te }. If j− ≥ P − , then we consider the tuple s = (t[Atemp], j− , j+ ). V Te ≥ P + ≥ j+ , and for essentially the same reasons, s ∈ QExp . V Te }. per) = 0. per . per − 1): 1. 2. 3. 4. 5. 6. 7. 8. 9. [q− , q+ ] ∩ [o− , o+ ] = 0/ or [q− , q+ ] ∩ [0, o+] = 0/ or [q− , q+ ] ∩ [o− , E] = 0/ or [0, q+ ] ∩ [o− , o+ ] = 0/ or [0, q+ ] ∩ [0, o+ ] = 0/ or [0, q+ ] ∩ [o− , E] = 0/ or [q− , E] ∩ [o− , o+ ] = 0/ or [q− , E] ∩ [0, o+ ] = 0/ or [q− , E] ∩ [o− , E] = 0.

We define the algebraic operators, and introduce access algorithms to cope with them and also with temporal range queries, proving that they are correct and complete with respect to the traditional explicit approach. In an experimental evaluation we show the advantages of our approach with respect to traditional explicit approach, in terms of space usage, physical disk I/O’s and query response time. 1 Introduction Periodic data play a major role in many application domains, such as manufacturing, office automation, and scheduling.

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Advances in Databases and Information Systems: 17th East European Conference, ADBIS 2013, Genoa, Italy, September 1-4, 2013. Proceedings by Martin Theobald, Luc De Raedt, Maximilian Dylla, Angelika Kimmig, Iris Miliaraki (auth.), Barbara Catania, Giovanna Guerrini, Jaroslav Pokorný (eds.)


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