720 search results - page 73 / 144 » Semantic Data Management: Towards Querying Data with their M... |
153
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SWAP
2007
15 years 7 months ago
2007
Abstract. Ontologies are pervading many areas of knowledge representation and management. To date, most research efforts have been spent on the development of sufficiently express...
272
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
176
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ERCIM
2007
15 years 6 months ago
2007
With the advent of Grid and application technologies, scientists and engineers are building more and more complex applications to manage and process large data sets, and execute s...
206
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FAST
2009
15 years 4 months ago
2009
The notion of RDF Named Graphs has been proposed in order to assign provenance information to data described using RDF triples. In this paper, we argue that named graphs alone can...
149
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BTW
2007
Springer
16 years 11 days ago
2007
Springer
: Database-internal statistics are very important for cost-based query optimizers. Only if an optimizer has accurate statistical information about data, it provides excellent execu...