491 search results - page 29 / 99 » Optimizing complex queries with multiple relation instances |
RSCTC
2000
Springer
13 years 11 months ago
2000
Springer
The main task in decision tree construction algorithms is to find the "best partition" of the set of objects. In this paper, we investigate the problem of optimal binary ...
ICDE
2012
IEEE
11 years 10 months ago
2012
IEEE
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
BMCBI
2006
13 years 7 months ago
2006
Background: Existing biological databases support a variety of queries such as keyword or definition search. However, they do not provide any measure of relevance for the instance...
DBPL
2001
Springer
14 years 2 days ago
2001
Springer
Abstract. We are interested in the theoretical foundations of the optimization of conjunctive regular path queries (CRPQs). The basic problem here is deciding query containment bot...
W3C
1998
13 years 9 months ago
1998
An important application of XML is the interchange of electronic data (EDI) between multiple data sources on the Web. As XML data proliferates on the Web, applications will need t...