708 search results - page 40 / 142 » Optimizing SQL Queries over Text Databases |
BTW
2003
Springer
14 years 25 days ago
2003
Springer
Abstract: Optimization of nested queries, in particular finding equivalent “flattened” queries for queries that employ the SQL sub-query construct, has been researched extensiv...
DAWAK
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. We present an algorithm for mining frequent queries in arbitrary relational databases, over which functional dependencies are assumed. Building upon previous results, we ...
ESA
2010
Springer
13 years 8 months ago
2010
Springer
Text search engines return a set of k documents ranked by similarity to a query. Typically, documents and queries are drawn from natural language text, which can readily be partiti...
CIDR
2007
13 years 9 months ago
2007
While there are known performance trade-offs between database page buffer pool and query execution memory allocation policies, little has been written on the impact of query compi...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...