571 search results - page 30 / 115 » Instance-Based Query Answering with Semantic Knowledge Bases |
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
SAMT
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. The Semantic Web has recently seen a rise of large knowledge bases (such as DBpedia) that are freely accessible via SPARQL endpoints. The structured representation of the...
AMAI
2006
Springer
13 years 7 months ago
2006
Springer
In this work, we introduce a new framework able to deal with a reasoning that is at the same time non monotonic and uncertain. In order to take into account a certainty level assoc...
SAC
2006
ACM
14 years 1 months ago
2006
ACM
In this paper, we show that representation and reasoning techniques used in traditional knowledge engineering and the emerging Semantic Web can play an important role for heteroge...
CSFW
2011
IEEE
12 years 7 months ago
2011
IEEE
—This paper explores the idea of knowledge-based security policies, which are used to decide whether to answer queries over secret data based on an estimation of the querier’s ...