793 search results - page 82 / 159 » Optimizing Multiple Queries in Distributed Data Stream Syste... |
INFOCOM
2006
IEEE
14 years 3 months ago
2006
IEEE
— Efficient and scalable live-streaming overlay construction has become a hot topic recently. In order to improve the performance metrics, such as startup delay, source-to-end de...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
The standard SQL assumes that the users are aware of all tables and their schemas to write queries. This assumption may be valid when the users deal with a relatively small number...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
DGO
2003
13 years 10 months ago
2003
This paper describes a Web-based query system for semantically heterogeneous geospatial data. Our goal is to provide DBMS type query capabilities to a proposed statewide land info...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...