708 search results - page 70 / 142 » Optimizing SQL Queries over Text Databases |
IDEAS
2008
IEEE
14 years 3 months ago
2008
IEEE
In this paper we show the usefulness and feasibility of applying conventional SQL queries for analyzing a wide spectrum of data streams. As application area we have chosen the ana...
EDBT
2012
ACM
11 years 11 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
In this paper we address the problem of minimizing the response time of a multi-way join query using pipelined (inter-operator) parallelism, in a parallel or a distributed environ...
ICDE
1999
IEEE
14 years 10 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Increasingly pervasive networks are leading towards a world where data is constantly in motion. In such a world, conventional techniques for query processing, which were developed...