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LREC
2008
93views Education» more  LREC 2008»
15 years 4 months ago
Towards a Glossary of Activities in the Ontology Engineering Field
The Semantic Web of the future will be characterized by using a very large number of ontologies embedded in ontology networks. It is important to provide strong methodological sup...
María del Carmen Suárez-Figueroa, As...
MEDINFO
2007
116views Healthcare» more  MEDINFO 2007»
15 years 4 months ago
Knowledge-Level Querying of Temporal Patterns in Clinical Research Systems
Managing time-stamped data is essential to clinical research activities and often requires the use of considerable domain knowledge, which is difficult to support within database ...
Martin J. O'Connor, Ravi D. Shankar, David B. Parr...
140
Voted
SEBD
2007
121views Database» more  SEBD 2007»
15 years 4 months ago
Query Answering in Expressive Variants of DL-Lite
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
Alessandro Artale, Diego Calvanese, Roman Kontchak...
132
Voted
SEBD
2007
148views Database» more  SEBD 2007»
15 years 4 months ago
Containment of Conjunctive Object Meta-Queries
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
Andrea Calì, Michael Kifer
120
Voted
AAAI
2006
15 years 4 months ago
Compilation of Query-Rewriting Problems into Tractable Fragments of Propositional Logic
We consider the problem of rewriting a query efficiently using materialized views. In the context of information integration, this problem has received significant attention in th...
Yolifé Arvelo, Blai Bonet, Maria-Esther Vid...