3678 search results - page 196 / 736 » Personalization of Queries in Database Systems |
189
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
This paper describes the methodology and implementation of a data management system for highly distributed systems, which was built to solve the scalability and reliability proble...
156
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IDEAS
2008
IEEE
16 years 24 days ago
2008
IEEE
1 We propose a new framework for the summarization of XML document properties called EXsum (Element-wise XML summarization), which can capture statistical information of all import...
192
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DPD
2010
15 years 3 months ago
2010
In distributed database systems, tables are frequently fragmented and replicated over a number of sites in order to reduce network communication costs. How to fragment, when to rep...
362
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ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
The long-running nature of continuous queries poses new scalability challenges for dataflow processing. CQ systems execute pipelined dataflows that may be shared across multiple q...
175
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KDD
2004
ACM
16 years 6 months ago
2004
ACM
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...