396 search results - page 10 / 80 » Semantic Optimization of Preference Queries |
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
Ranking queries report the top-K results according to a user-defined scoring function. A widely used scoring function is the weighted summation of multiple scores. Often times, u...
EDBTW
2004
Springer
14 years 1 months ago
2004
Springer
In this paper we propose a method that, given a query submitted to a search engine, suggests a list of related queries. The related queries are based in previously issued queries, ...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
There has been interest recently in skyline queries, also called Pareto queries, on relational databases. Relational query languages do not support search for "best" tupl...
JUCS
2008
13 years 7 months ago
2008
: Query transformation is a serious hurdle on semantic peer-to-peer environment. For interoperability between peers, queries sent from a source peer have to be efficiently transfor...
ER
2006
Springer
13 years 11 months ago
2006
Springer
One of the main drawbacks of the Semantic Web is the lack of semantically rich data, since most of the information is still stored in relational databases. In this paper, we presen...