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Heterogeneous Database, Data warehouse, Ontology, Semantic Web, Web query processing
This paper presents the architecture for accessing heterogeneous databases. Two major processes in this architecture which are extracting SQL statement and ontology. The algorithms for extracting SQL statement was created and tested in order to improve time performance during searching and retrieving process. Ontology approach was implemented and combined with these algorithms. In ontology approach, web semantic was implemented in order to retrieve only relevant data from database. A prototype based on this architecture was developed using JAVA technology. JAVA technology was chosen because this technology have Jena library. This library is provide API and support SPARQL. Several experiments have been executed and tested. The result indicates this architecture able to improve web query processing in term of time. The result also indicates this architecture able to retrieve and displayed more relevant data to web users.
Mohd Kamir Yusof, Ahmad Faisal Amri Abidin, Mohd Nordin Abdul Rahman, "Architecture for Accessing Heterogeneous Databases", International Journal of Information Technology and Computer Science(IJITCS), vol.4, no.1, pp.25-31, 2012. DOI:10.5815/ijitcs.2012.01.04
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