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» Instance-Based Query Answering with Semantic Knowledge Bases
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WWW
2007
ACM
14 years 8 months ago
OntoWiki: A Tool for Social, Semantic Collaboration
Abstract We present OntoWiki, a tool providing support for agile, distributed knowledge engineering scenarios. OntoWiki facilitates the visual presentation of a knowledge base as a...
Jens Lehmann, Sören Auer, Sebastian Dietzold,...
JCDCG
2004
Springer
14 years 1 months ago
Farthest-Point Queries with Geometric and Combinatorial Constraints
In this paper we discuss farthest-point problems in which a set or sequence S of n points in the plane is given in advance and can be preprocessed to answer various queries efficie...
Ovidiu Daescu, Ningfang Mi, Chan-Su Shin, Alexande...
ESORICS
2002
Springer
14 years 7 months ago
Confidentiality Policies and Their Enforcement for Controlled Query Evaluation
Abstract. An important goal of security in information systems is confidentiality. A confidentiality policy specifies which users should be forbidden to acquire what kind of inform...
Joachim Biskup, Piero A. Bonatti
TASLP
2008
84views more  TASLP 2008»
13 years 7 months ago
Searching Musical Audio Using Symbolic Queries
Finding a piece of music based on its content is a key problem in music information retrieval. For example, a user may be interested in finding music based on knowledge of only a s...
Iman S. H. Suyoto, Alexandra L. Uitdenbogerd, Falk...
DEXA
2009
Springer
173views Database» more  DEXA 2009»
14 years 2 months ago
Incremental Ontology-Based Extraction and Alignment in Semi-structured Documents
SHIRI 1 is an ontology-based system for integration of semistructured documents related to a specific domain. The system’s purpose is to allow users to access to relevant parts ...
Mouhamadou Thiam, Nacéra Bennacer, Nathalie...