7607 search results - page 261 / 1522 » Querying data provenance |
190
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ADBIS
2004
Springer
16 years 3 days ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
188
Voted
PKDD
1998
Springer
15 years 11 months ago
1998
Springer
Knowledge discovery in databases (KDD) is a process that can include steps like forming the data set, data transformations, discovery of patterns, searching for exceptions to a pat...
182
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SSD
2009
Springer
16 years 1 months ago
2009
Springer
Outsourcing data to third party data providers is becoming a common practice for data owners to avoid the cost of managing and maintaining databases. Meanwhile, due to the populari...
206
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ISPAN
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract—Querying non-conventional data sources is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is...
185
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FUIN
2002
15 years 6 months ago
2002
Abstract. In the paper we deal with the problem of modeling and querying information in schemaless databases of partially labeled objects (PLO-DB). Partially labeled objects are us...