2987 search results - page 188 / 598 » Multiobjective Query Optimization |
150
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IS
2011
14 years 8 months ago
2011
In order to process continuous queries over Wireless Sensor Networks (WSNs), sensors are typically organized in a Query Routing Tree (denoted as T) that provides each sensor with ...
131
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VLDB
1994
ACM
15 years 5 months ago
1994
ACM
Most declarative SQL-like query languagesfor object-oriented database systems (OOSQL) are orthogonal languages allowing for arbitrary nesting of expressions in the select-, from-,...
124
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COMAD
2008
15 years 3 months ago
2008
In data stream processing systems, Quality of Service (or QoS) requirements, as specified by users, are extremely important. Unlike in a database management system (DBMS), a query...
109
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PODS
2001
ACM
16 years 1 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
116
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SIGIR
2008
ACM
15 years 1 months ago
2008
ACM
The primary business model behind Web search is based on textual advertising, where contextually relevant ads are displayed alongside search results. We address the problem of sel...