412 search results - page 62 / 83 » Aggregate queries over ontologies |
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
AAAI
2006
13 years 11 months ago
2006
In this paper, we discuss how our work on evaluating Semantic Web knowledge base systems (KBSs) contributes to address some broader AI problems. First, we show how our approach pr...
AAAI
2007
14 years 18 days ago
2007
In probabilistic reasoning, the problems of existence and identity are important to many different queries; for example, the probability that something that fits some description...
WWW
2006
ACM
14 years 11 months ago
2006
ACM
In this poster we present an approach to query answering over knowledge sources that makes use of different ontology management components within an application scenario of the BT...
FAST
2011
13 years 1 months ago
2011
As file systems reach the petabytes scale, users and administrators are increasingly interested in acquiring highlevel analytical information for file management and analysis. T...