721 search results - page 120 / 145 » Supporting top-k join queries in relational databases |
IS
2006
14 years 9 months ago
2006
We propose a micro-benchmark for XML data management to aid engineers in designing improved XML processing engines. This benchmark is inherently different from application-level b...
BMCBI
2008
14 years 9 months ago
2008
Background: Sequence searches are routinely employed to detect and annotate related proteins. However, a rapid growth of databases necessitates a frequent repetition of sequence s...
SIGMOD
1998
ACM
15 years 1 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
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SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
While the XML Stylesheet Language for Transformations (XSLT) was not designed as a query language, it is well-suited for many query-like operations on XML documents including sele...
SIGMOD
1999
ACM
15 years 2 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...