619 search results - page 54 / 124 » Query Planning in Infomaster |
106
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
144
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DELOS
2000
15 years 3 months ago
2000
: We explore the complex problem of providing searching services across interoperable heterogeneous federated digital library systems with rich structure and content. We discuss sy...
105
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SIGMOD
1996
ACM
15 years 6 months ago
1996
ACM
Scheduling query execution plans is an important component of query optimization in parallel database systems. The problem is particularly complex in a shared-nothing execution en...
109
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
The probabilistic threshold query (PTQ) is one of the most common queries in uncertain databases, where all results satisfying the query with probabilities that meet the threshold...
109
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ATAL
1999
Springer
15 years 6 months ago
1999
Springer
In the RETSINA multi-agent system, each agent is provided with an internal planning component—the RETSINA planner. Each agent, using its internal planner, formulates detailed pla...