7607 search results - page 350 / 1522 » Querying data provenance |
168
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
A technical infrastructure for storing, querying and managing RDF data is a key element in the current semantic web development. Systems like Jena, Sesame or the ICS-FORTH RDF Sui...
160
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AIIA
2007
Springer
16 years 1 months ago
2007
Springer
Relational database (DB) management systems provide the standard means for structuring and querying large amounts of data. However, to access such data the exact structure of the D...
196
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DEXA
2003
Springer
16 years 1 days ago
2003
Springer
Streaming XML documents has many emerging applications. However, in this paper, we show that the restrictions imposed by data streaming are too restrictive for processing twig quer...
178
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VLDB
1998
ACM
15 years 11 months ago
1998
ACM
Many applications compute aggregate functions over an attribute (or set of attributes) to find aggregate values above some specified threshold. We call such queries iceberg querie...
195
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WEBDB
2000
Springer
15 years 10 months ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...