2674 search results - page 277 / 535 » Data Models and Query Languages for Spatial Databases |
265
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
This paper describes the overall architecture and design aspects of a hybrid relational and XML database system called System RX. We believe that such a system is fundamental in t...
178
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SIGMOD
2008
ACM
15 years 6 months ago
2008
ACM
The presence of encyclopedic Web sources, such as Wikipedia, the Internet Movie Database (IMDB), World Factbook, etc. calls for new querying techniques that are simple and yet mor...
178
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
161
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ECIR
2007
Springer
15 years 8 months ago
2007
Springer
This paper introduces the concept of a Parameterised Search System (PSS), which allows flexibility in user queries, and, more importantly, allows system engineers to easily defin...
239
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ICDE
2012
IEEE
13 years 9 months ago
2012
IEEE
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...