9683 search results - page 570 / 1937 » Predicting query performance |
205
click to vote
SSDBM
2005
IEEE
16 years 24 days ago
2005
IEEE
Advanced Data Mining applications require more and more support from relational database engines. Especially clustering applications in high dimensional features space demand a pr...
225
click to vote
SEMWEB
2009
Springer
15 years 11 months ago
2009
Springer
Scalable query answering over Description Logic (DL) based ontologies plays an important role for the success of the Semantic Web. Towards tackling the scalability problem, we prop...
206
click to vote
ICDT
2001
ACM
15 years 11 months ago
2001
ACM
Abstract. Nearest-neighbor queries in high-dimensional space are of high importance in various applications, especially in content-based indexing of multimedia data. For an optimiz...
186
click to vote
ISMIS
1999
Springer
15 years 11 months ago
1999
Springer
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...
177
click to vote
PDIS
1996
IEEE
15 years 11 months ago
1996
IEEE
Accessing data from numerous widely-distributed sources poses signi cant new challenges for query optimization and execution. Congestion and failures in the network can introduce ...