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» Knowledge Representation Issues in Information Extraction
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WEBI
2005
Springer
15 years 7 months ago
A Semi-Supervised Document Clustering Algorithm Based on EM
Document clustering is a very hard task in Automatic Text Processing since it requires to extract regular patterns from a document collection without a priori knowledge on the cat...
Leonardo Rigutini, Marco Maggini
IDEAS
2005
IEEE
165views Database» more  IDEAS 2005»
15 years 7 months ago
Privacy Aware Data Generation for Testing Database Applications
Testing of database applications is of great importance. A significant issue in database application testing consists in the availability of representative data. In this paper we...
Xintao Wu, Chintan Sanghvi, Yongge Wang, Yuliang Z...
130
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CBMS
2006
IEEE
15 years 8 months ago
An Ontology-Driven Mediator for Querying Time-Oriented Biomedical Data
— Most biomedical research databases contain considerable amounts of time-oriented data. However, temporal knowledge about the contextual meaning of such data is not usually repr...
Martin J. O'Connor, Ravi Shankar, Amar K. Das
124
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KCAP
2005
ACM
15 years 7 months ago
An ontological approach to the construction of problem-solving models
Our ongoing work aims at defining an ontology-centered approach for building expertise models for the CommonKADS methodology. This approach (which is named "OntoKADS") i...
Sabine Bruaux, Gilles Kassel, Gilles Morel
DLOG
2007
15 years 4 months ago
DL-based Alternating-offers Protocol for Automated Multi-issue Bilateral Negotiation
Abstract. We present a novel approach to logic-based bilateral negotiation in ecommerce systems. We use Description Logics to describe both requests/offers submitted by buyers and ...
Azzurra Ragone, Tommaso Di Noia, Eugenio Di Sciasc...