708 search results - page 54 / 142 » Optimizing SQL Queries over Text Databases |
PVLDB
2010
13 years 7 months ago
2010
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Applications that monitor functions over rapidly and unpredictably changing data, express their needs as continuous queries. Our focus is on a rich class of queries, expressed as p...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
VLDB
1994
ACM
14 years 27 days ago
1994
ACM
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering followed by parallelization. We focus on the parallelization phase a...
BTW
2007
Springer
14 years 3 months ago
2007
Springer
: Distributed top-k query processing is increasingly becoming an essential functionality in a large number of emerging application classes. This paper addresses the efficient alge...