2724 search results - page 129 / 545 » Optimizing Queries on Files |
127
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BDA
2000
15 years 4 months ago
2000
Due to the popularity of the XML data format, several query languages for XML have been proposed, specially devised to handle data whose structure is unknown, loose, or absent. Wh...
140
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DLOG
2007
15 years 5 months ago
2007
Abstract. There has been an increased interest in recent years to incorporate uncertainty in Description Logics (DLs), and a number of proposals have been put forward for modeling ...
141
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VLDB
2011
ACM
14 years 10 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
168
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WWW
2010
ACM
15 years 10 months ago
2010
ACM
The Semantic Web community, until now, has used traditional database systems for the storage and querying of RDF data. The SPARQL query language also closely follows SQL syntax. A...
161
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MOBIQUITOUS
2005
IEEE
15 years 9 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...