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» Managing Ontologies: A Comparative Study of Ontology Servers
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CIKM
2011
Springer
12 years 7 months ago
Semantic data markets: a flexible environment for knowledge management
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
Roberto De Virgilio, Giorgio Orsi, Letizia Tanca, ...
ER
2004
Springer
103views Database» more  ER 2004»
14 years 24 days ago
Querying Heterogeneous Spatial Databases: Combining an Ontology with Similarity Functions
This paper uses a knowledge-based approach to querying heterogeneous spatial databases based on an ontology and conceptual and attribute similarities. The ontology, which may be in...
Mariella Gutiérrez, M. Andrea Rodríg...
SEMWEB
2009
Springer
14 years 1 months ago
Classifying ELH Ontologies In SQL Databases
Abstract. The current implementations of ontology classification procedures use the main memory of the computer for loading and processing ontologies, which soon can become one of...
Vincent Delaitre, Yevgeny Kazakov
WWW
2007
ACM
14 years 8 months ago
Ontology summarization based on rdf sentence graph
Ontology summarization is very important to quick understanding and selection of ontologies. In this paper, we study extractive summarization of ontology. We propose a notion of R...
Xiang Zhang, Gong Cheng, Yuzhong Qu
SEMWEB
2009
Springer
14 years 1 months ago
DSSim Results for OAEI 2009
The growing importance of ontology mapping on the Semantic Web has highlighted the need to manage the uncertain nature of interpreting semantic meta data represented by heterogeneo...
Miklos Nagy, Maria Vargas-Vera, Piotr Stolarski