142 search results - page 17 / 29 » On Conjunctive Query Answering in EL |
SEMWEB
2007
Springer
14 years 3 months ago
2007
Springer
Current information retrieval (IR) approaches do not formally capture the explicit meaning of a keyword query but provide a comfortable way for the user to specify information need...
ICDT
2007
ACM
14 years 4 months ago
2007
ACM
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
RR
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. It is well-knwon that crisp RDF is not suitable to represent vague information. Fuzzy RDF variants are emerging to overcome to this limitations. In this work we provide, ...
WCNC
2010
IEEE
14 years 1 months ago
2010
IEEE
—This paper aims at answering the questions of how to enable cooperative communications in random access networks. And, since cooperation introduces extra transmissions in the ch...
ADBIS
2004
Springer
14 years 3 months ago
2004
Springer
Repairing a database means making the database consistent by applying changes that are as small as possible. Nearly all approaches to repairing have assumed deletions and insertion...