An ontology-extended relational algebra

被引：9
|
作者：
Bonatti, P [1 ]
Deng, Y [1 ]
Subrahmanian, VS [1 ]
机构：
[1] Univ Naples Federico II, Dipartimento Sci Fisiche, I-80126 Naples, Italy
来源：
PROCEEDINGS OF THE 2003 IEEE INTERNATIONAL CONFERENCE ON INFORMATION REUSE AND INTEGRATION | 2003年
关键词：
ontology integration; ontological relatonal algebra; semantic data integration;
D O I：
10.1109/IRI.2003.1251413
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Heterogeneous relational databases being integrated vary widely in how the same data is represented. We propose the notion of an ontology extended relation (OER). An OER contains an ordinary relation as well as an associated ontology that conveys semantic meaning about the terms being used. We extend the relational algebra to query OERs. The advantage of this is that the OER model can be directly built on top of commercial relational DBMSs. We describe an implementation of the OER model and show (via experiments) that the system scales to handle large data sets.
引用
收藏
页码：192 / 199
页数：8
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