2191 search results - page 222 / 439 » Query Processing in the ROL system |
156
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ICDE
1994
IEEE
15 years 9 months ago
1994
IEEE
In applications like nancial trading, scheduling, manufacturing and process control, time based predicates in queries and rules are very important. There is also a need to de ne ...
176
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CIKM
2004
Springer
15 years 9 months ago
2004
Springer
Materialized views defined over distributed data sources are a well recognized technology for modern applications. Stateof-the-art incremental view maintenance requires O(n2 ) or ...
133
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TREC
2004
15 years 6 months ago
2004
: The University of Melbourne carried out experiments in the Terabyte and Web tracks of TREC 2004. We applied a further variant of our impact-based retrieval approach by integratin...
168
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WWW
2007
ACM
16 years 6 months ago
2007
ACM
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
155
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EDBT
2010
ACM
15 years 10 months ago
2010
ACM
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...