511 search results - page 54 / 103 » Composition of Semantic Relations: Model and Applications |
ICDE
2007
IEEE
15 years 3 months ago
2007
IEEE
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...
119
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JSAC
2007
14 years 11 months ago
2007
Abstract— The current approach in web searching, i.e., centralized search engines, rises issues that question their future applicability: 1) coverage and scalability, 2) freshnes...
121
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EFDBS
2003
15 years 1 months ago
2003
A definition of types in an information system is given from ld abstractions through data constructs, schema and definitions to physical data values. Category theory suggests tha...
106
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EDBTW
2006
Springer
15 years 3 months ago
2006
Springer
Abstract. Most of the recent work on adaptive processing and continuous querying of data streams assume that data objects come in the form of tuples, thus relying on the relational...
ER
2003
Springer
15 years 5 months ago
2003
Springer
The integration of heterogeneous legacy databases requires understanding of database structure and content. We previously developed a theoretical and software infrastructure to sup...