Titlebook: Database and Expert Systems Applications; 25th International C Hendrik Decker,Lenka Lhotská,Roland R. Wagner Conference proceedings 2014 Sp

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Summary-Based Pattern Tableaux Generation for Conditional Functional Dependencies in Distributed Datlation, without merging all the distributed tuples in a centralized relation. We propose a distributed algorithm based on the concept of pattern summary that minimizes data shipping between the sites of distributed relation.

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Searching for Local Twitter Users by Extracting Regional Termsnal distribution of users whose tweets contain those terms, and the temporal distribution of tweets. Then, we construct a local area feature vector to represent the target area and compare it with a user vector to find local users. The experimental results validate our methods.

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Conference proceedings 2014ord search; skyline queries; graph algorithms; information retrieval; XML; security; semantic web; classification and clustering; queries; social computing; similarity search; ranking; data mining; big data; approximations; privacy; data exchange; data integration; web semantics; repositories; partitioning; and business applications.

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0302-9743 Systems Applications, DEXA 2014, held in Munich, Germany, September 1-4, 2014. The 37 revised full papers presented together with 46 short papers, and 2 keynote talks, were carefully reviewed and selected from 159 submissions. The papers discuss a range of topics including: data quality; social web

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The Political Economy of the USSRed to impose constraints on data; they can also represent relationships among data, and therefore they can be mined from datasets. In the present work, after having introduced the distinction between . and . CFD.s, we describe an algorithm to discover . CFD.s from datasets.

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Conference proceedings 2014pplications, DEXA 2014, held in Munich, Germany, September 1-4, 2014. The 37 revised full papers presented together with 46 short papers, and 2 keynote talks, were carefully reviewed and selected from 159 submissions. The papers discuss a range of topics including: data quality; social web; XML keyw

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