1394 search results - page 241 / 279 » Executing Nested Queries |
116
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SIGMOD
2010
ACM
15 years 7 months ago
2010
ACM
We present SecureBlox, a declarative system that uniļ¬es a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speciļ...
139
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EDBT
2009
ACM
15 years 7 months ago
2009
ACM
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...
137
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SEMWEB
2001
Springer
15 years 7 months ago
2001
Springer
Metadata are widely used in order to fully exploit information resources available on corporate intranets or the Internet. The Resource Description Framework (RDF) aims at facilit...
123
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ISPAN
1997
IEEE
15 years 6 months ago
1997
IEEE
This paper is concerned with the transparent parallelisation of declarative database queries, based on theoretical principles. We have designed an entire database architecture sui...
119
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BDA
2006
15 years 3 months ago
2006
XML data projection (or pruning) is one of the main optimization techniques recently adopted in the context of main-memory XML query-engines. The underlying idea is quite simple: ...