97 search results - page 9 / 20 » Distributed Island-Based Query Answering for Expressive Onto... |
ADBIS
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
WECWIS
2008
IEEE
14 years 2 months ago
2008
IEEE
We present ISENS, a distributed, end-to-end, ontologybased information integration system. In response to a user’s query, our system is capable of retrieving facts from data sou...
DILS
2005
Springer
14 years 1 months ago
2005
Springer
BioMediator is a data integration system that provides a common interface to multiple Internet-accessible databases containing information about genetics and molecular biology. Ont...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
DEXAW
2005
IEEE
14 years 1 months ago
2005
IEEE
We present the first prototype of INDUS (Intelligent Data Understanding System), a federated, query-centric system for information integration and knowledge acquisition from dist...