6846 search results - page 311 / 1370 » Querying a summary of database |
194
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IPM
2007
15 years 6 months ago
2007
In recent years, there has been increased interest in topic-focused multi-document summarization. In this task, automatic summaries are produced in response to a specific informat...
154
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SSD
1995
Springer
15 years 10 months ago
1995
Springer
We present a data structure used to represent planar spatial databases in the topological data model. Conceptually, such databases consist of points, lines between these points, an...
165
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ICDT
2007
ACM
16 years 25 days ago
2007
ACM
The first aim of this paper is to present the logical core of XPath 2.0: a logically clean, decidable fragment, which includes most navigational features of XPath 2.0 (complex co...
200
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
Unity is an architecture for integrating relational databases that performs three processes: metadata capture, semantic integration, and query formulation and execution. The found...
153
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
We explore the implications of supporting bags (i.e. multisets) in a data model and associated query language, and present some formal results concerned with the algebraic propert...