IS 2002 | Sciweavers

36

IS
2002

109views Artificial Intelligence» more IS 2002»

Signature-based structures for objects with set-valued attributes

14 years 1 months ago

Aiming at the efficient retrieval of objects with set-valued attributes, we introduce three variations of a new method in order to satisfy subset and superset queries. Our approac...

Eleni Tousidou, Panayiotis Bozanis, Yannis Manolop...

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32

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IS
2002

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Formalizing visual interaction with historical databases

14 years 1 months ago

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Sônia Fernandes Silva, Tiziana Catarci, Ulri...

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51

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IS
2002

119views Artificial Intelligence» more IS 2002»

Evaluation of concurrency control strategies for mixed soft real-time database systems

14 years 1 months ago

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Previous research in real-time concurrency control mainly focuses on the schedulability guarantee of hard real-time transactions and the reducing of the miss rate of soft real-tim...

Kam-yiu Lam, Tei-Wei Kuo, Ben Kao, Tony S. H. Lee,...

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38

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IS
2002

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Pushing extrema aggregates to optimize logic queries

14 years 1 months ago

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In this paper, we explore the possibility of transforming queries with minimum and maximum predicates into equivalent queries that can be computed more efficiently. The main contr...

Filippo Furfaro, Sergio Greco, Sumit Ganguly, Carl...

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IS
2002

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Towards requirements-driven information systems engineering: the Tropos project

14 years 1 months ago

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Jaelson Castro, Manuel Kolp, John Mylopoulos

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