7607 search results - page 296 / 1522 » Querying data provenance |
259
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Dataspaces are collections of heterogeneous and partially unstructured data. Unlike data-integration systems that also offer uniform access to heterogeneous data sources, dataspac...
180
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
A supergraph containment search is to retrieve the data graphs contained by a query graph. In this paper, we study the problem of efficiently retrieving all data graphs approximate...
211
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TKDE
2012
13 years 9 months ago
2012
—Preparing a data set for analysis is generally the most time consuming task in a data mining project, requiring many complex SQL queries, joining tables and aggregating columns....
174
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VLDB
2007
ACM
16 years 26 days ago
2007
ACM
Virtual reality techniques particularly in the field of CFD (computational fluid dynamics) are of growing importance due to their ability to offer comfortable means to interact...
171
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VLDB
2002
ACM
15 years 6 months ago
2002
ACM
Data warehouses offer a compromise between freshness of data and query evaluation times. However, a fixed preference ratio between these two variables is too undifferentiated. Wit...