209 search results - page 22 / 42 » Using Ontologies for Database Query Reformulation |
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
DEXA
2009
Springer
14 years 2 months ago
2009
Springer
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 ...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
This paper presents a description of seven systems, which use database technology to both represent knowledge persistently and make scalable queries on it, in the Semantic Web con...
BMCBI
2005
13 years 7 months ago
2005
Background: Structural and functional research often requires the computation of sets of protein structures based on certain properties of the proteins, such as sequence features,...
SEMWEB
2009
Springer
14 years 2 months ago
2009
Springer
RDF Schema (RDFS) as a lightweight ontology language is gaining popularity and, consequently, tools for scalable RDFS inference and querying are needed. SPARQL has become recently ...