429 search results - page 24 / 86 » A SAT approach to query optimization in mediator systems |
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
An increasing number of applications use XML data published from relational databases. For speed and convenience, such applications routinely cache this XML data locally and acces...
ICDE
2011
IEEE
13 years 10 days ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
SEMWEB
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
COMAD
2008
13 years 10 months ago
2008
In data stream processing systems, Quality of Service (or QoS) requirements, as specified by users, are extremely important. Unlike in a database management system (DBMS), a query...
SIGMOD
2008
ACM
13 years 8 months ago
2008
ACM
Automated physical design tuning for database systems has recently become an active area of research and development. Existing tuning tools explore the space of feasible solutions...