3891 search results - page 240 / 779 » Query Models |
262
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
164
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WISE
2007
Springer
16 years 24 days ago
2007
Springer
A common search problem in the World Wide Web concerns finding information if it is not known when the sources of information appear and how long sources will be available on the ...
153
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DBPL
2007
Springer
16 years 21 days ago
2007
Springer
Annotated relational databases can be queried either by simply making the annotations explicitly available along the ordinary data, or by adapting the standard query operators so ...
153
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ADBIS
2006
Springer
16 years 16 days ago
2006
Springer
Web communities involve networks of loosely coupled data sources. Members in those communities should be able to pose queries and gather results from all data sources in the networ...
166
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SSD
2005
Springer
16 years 17 hour ago
2005
Springer
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...