196 search results - page 29 / 40 » Group-by skyline query processing in relational engines |
IPM
2007
13 years 7 months ago
2007
The performance of parallel query processing in a cluster of index servers is crucial for modern web search systems. In such a scenario, the response time basically depends on the...
SEMWEB
2007
Springer
14 years 1 months ago
2007
Springer
As the Semantic Web (SW) is being automatically populated with large number of RDF triples scalability issues related to wide scale reasoning occur. We believe these difficulties ...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
We study the problem of generating synthetic databases having declaratively specified characteristics. This problem is motivated by database system and application testing, data ...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
ICDE
2002
IEEE
14 years 17 days ago
2002
IEEE
Soon, much of the data exchanged over the Internet will be encoded in XML, allowing for sophisticated filtering and content-based routing. We have built a filtering engine called ...