2853 search results - page 53 / 571 » On the Efficiency of Provenance Queries |
167
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
We propose a new ranking paradigm for relational databases called Structured Value Ranking (SVR). SVR uses structured data values to score (rank) the results of keyword search que...
196
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
Streaming XPath evaluation algorithms must record a potentially exponential number of pattern matches when both predicates and descendant axes are present in queries, and the XML ...
144
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SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
With the increasing occurrence of temporal and spatial data in present-day database applications, the interval data type is adopted by more and more database systems. For an effic...
SIGMOD
2001
ACM
15 years 10 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...