619 search results - page 42 / 124 » Query Planning in Infomaster |
115
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DEXAW
2009
IEEE
15 years 8 months ago
2009
IEEE
— The amount of semantic data on the Web has increased exponentially in the last years. One of the main reasons for this is the use of RDB2RDF systems, which generate RDF data fr...
106
Voted
VLDB
1997
ACM
15 years 6 months ago
1997
ACM
Scheduling query execution plans is a particularly complex problem in hierarchical parallel systems, where each site consists of a collection of local time-shared (e.g., CPU(s) or...
120
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EDBT
2009
ACM
15 years 8 months ago
2009
ACM
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
131
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DASFAA
2008
IEEE
15 years 8 months ago
2008
IEEE
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
148
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MOBIQUITOUS
2005
IEEE
15 years 7 months ago
2005
IEEE
Recent research has led to the advent of software systems capable of performing query processing in sensor networks. They perform query processing in a sensor network by construct...