2733 search results - page 261 / 547 » The Constellation Query Language |
ESWS
2010
Springer
14 years 3 months ago
2010
Springer
While the Semantic Web is rapidly filling up, appropriate tools for searching it are still at infancy. In this paper we describe an approach that allows humans to access informatio...
KR
2010
Springer
14 years 3 months ago
2010
Springer
Description Logics (DLs) are knowledge representation formalisms that provide, for example, the logical underpinning of the W3C OWL standards. Conjunctive queries (CQs), the stand...
DBPL
2001
Springer
14 years 2 months 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...
WISE
2000
Springer
14 years 2 months ago
2000
Springer
The mediator/wrapper approach is used to integrate data from different databases and other data sources by introducing a middleware virtual database that provides high level abstr...
UIST
1997
ACM
14 years 2 months ago
1997
ACM
Direct manipulation of visualizations is a powerful technique for performing exploratory data operations such as navigation, aggregation, and filtering. Its immediacy facilitates ...