708 search results - page 13 / 142 » Optimizing SQL Queries over Text Databases |
IDEAS
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we present our work on evaluating the skyline algorithms BNL, SFS, and a variant of LESS in PostgreSQL. It is well known that the performance of skyline queries is ...
VLDB
2005
ACM
14 years 29 days ago
2005
ACM
Many enterprise applications prefer to store XML data as a rich data type, i.e. a sequence of bytes, in a relational database system to avoid the complexity of decomposing the dat...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
VLDB
2005
ACM
14 years 29 days ago
2005
ACM
The interaction between recursion in XPATH and recursion in DTDs makes it challenging to answer XPATH queries on XML data that is stored in an RDBMS via schema-based shredding. We...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We present BLAS , a Bi-LAbeling based System, for efficiently processing complex XPath queries over XML data. BLAS uses Plabeling to process queries involving consecutive child ax...