436 search results - page 20 / 88 » Estimating the Quality of Data in Relational Databases |
72
Voted
VLDB
2001
ACM
15 years 2 months ago
2001
ACM
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...
68
Voted
VLDB
1997
ACM
15 years 1 months ago
1997
ACM
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
190
click to vote
ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
Join techniques deploying approximate match predicates are fundamental data cleaning operations. A variety of predicates have been utilized to quantify approximate match in such o...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
We introduce a benchmark called TEXTURE (TEXT Under RElations) to measure the relative strengths and weaknesses of combining text processing with a relational workload in an RDBMS...
156
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...