Download Advanced Query Processing: Volume 1: Issues and Trends by Barbara Catania, Lakhmi C. Jain PDF

By Barbara Catania, Lakhmi C. Jain

ISBN-10: 3642283225

ISBN-13: 9783642283222

ISBN-10: 3642283233

ISBN-13: 9783642283239

This learn booklet offers key advancements, instructions, and demanding situations bearing on complex question processing for either conventional and non-traditional info. a different emphasis is dedicated to approximation and adaptivity matters in addition to to the mixing of heterogeneous info sources.

The publication will end up important as a reference booklet for senior undergraduate or graduate classes on complicated info administration concerns, that have a unique specialise in question processing and knowledge integration. it's aimed for technologists, managers, and builders who need to know extra approximately rising tendencies in complicated question processing.

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Additional resources for Advanced Query Processing: Volume 1: Issues and Trends

Example text

Balke user preferences in each iteration. The framework aims at both minimizing the required amount of user interaction and while also maximizing the resulting skyline reduction. At the same time, it tries to identify a reasonably small and focused skyline set. This objective is realized by heavily exploiting the knowledge on the cardinality of different domain values with respect to the database instance. During any iteration, the currently available user preferences are examined in context of the current skyline.

EDBT 2002. LNCS, vol. 2287, pp. 34–51. : Restricting Skyline Sizes Using Weak PARETO Dominance. : Preference Queries with SV-Semantics. In: 11th Int. Conf. : Finding k-Dominant Skylines in High Dimensional Space. In: ACM SIGMOD Int. Conf. on Management of Data (SIGMOD 2006), Chicago, Illinois, USA (2006) 36 C. -T. : Approximately Dominating Representatives. , Libkin, L. ) ICDT 2005. LNCS, vol. 3363, pp. 204–214. : Efficient Computation of the Skyline Cube. In: 31st Int. Conf. : Catching the Best Views of Skyline: A Semantic Approach Based on Decisive Subspaces.

These approaches include for example Trade-Off Skylines. After introducing the basic formalities necessary for modeling preferences and computing skylines, we will present selected techniques for each of these major approaches. 2 Formalization of Skyline Sets Following the Pareto Semantics Before we survey the field of skyline selection algorithms let us formally introduce the skyline paradigm and the underlying Pareto semantics. Skyline sets can be defined for every database relation … over attributes.

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Advanced Query Processing: Volume 1: Issues and Trends by Barbara Catania, Lakhmi C. Jain


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