38 search results - page 2 / 8 » Ontology-based Access to heterogeneous XML Data |
ECAI
2004
Springer
13 years 11 months ago
2004
Springer
In this paper we describe the principles of the design and development of an intelligent query interface, done in the context of the SEWASIE (SEmantic Webs and AgentS in Integrated...
SWAP
2007
13 years 6 months ago
2007
Abstract. Recent research showed the benefits of adopting formal ontologies as a means for accessing heterogeneous data sources. The use of an ontology not only provides a uniform...
DEXA
2009
Springer
14 years 3 days ago
2009
Springer
SPARQL is today the standard access language for Semantic Web data. In the recent years XML databases have also acquired industrial importance due to the widespread applicability o...
DIWEB
2004
13 years 7 months ago
2004
In this paper, we propose a methodology developed in the framework of the VISPO project for engineering a three-layer ontology, based on the conceptualization, integration, synthes...
JASIS
2008
13 years 5 months ago
2008
Data cubes for OLAP (Online Analytical Processing) often need to be constructed from data located in several distributed and autonomous information sources. Such a data integratio...