950 search results - page 32 / 190 » Evaluation over thousands of queries |
VLDB
2001
ACM
14 years 1 months ago
2001
ACM
XML has emerged as the standard data exchange format for Internet-based business applications. This has created the need to publish existing business data, stored in relational da...
DBPL
2007
Springer
14 years 29 days ago
2007
Springer
Traditionally, infinite databases were studied as a data model for queries that may contain function symbols (since functions may be expressed as infinite relations). Recently, th...
CORR
2007
Springer
13 years 9 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
ECIR
2009
Springer
14 years 6 months ago
2009
Springer
Abstract. In this paper, we examine a number of newly applied methods for combining pre-retrieval query performance predictors in order to obtain a better prediction of the queryâ€...
DLOG
2010
13 years 7 months ago
2010
Abstract. One of the most frequently used inference services of description logic reasoners classifies all named classes of OWL ontologies into a subsumption hierarchy. Due to emer...