NDLI: Integration of Semantically Aligned Heterogeneous Databases

Content Provider	IEEE Xplore Digital Library
Author	Yi Yang Junkang Feng
Copyright Year	2011
Abstract	In this paper we propose a methodology whereby we semantically align heterogeneous databases without changing the databases. The alignment achieved is on the data instance level, which does not require the semantics of the data at the type level. We first introduce semantic alignment in the context of our databases research project then discuss in details how heterogeneous databases that are semantically aligned may be integrated. In general, we align heterogeneous databases with 'Global as View'. We show that by drawing on Barwise-Seligman's information flow channel theory and making use of Enhanced Entity-Relationship model, semantically aligned heterogeneous databases can be successfully integrated, which enables non-conventional queries on constituting databases. We show that without modifying databases our methodology integrates any chosen databases on data instances level without loss of information, which is our contribution over existing works. Furthermore, Barwise-Seligman's information flow channel theory represents a novel and mathematically sound approach to linking independent systems. As we use this theory as a theoretical basis of our work and therefore we believe that our ideas presented here have a general applicability in talking issues in distributed systems.
Starting Page	91
Ending Page	98
File Size	926950
Page Count	8
File Format	PDF
ISBN	9781457713231
DOI	10.1109/SKG.2011.30
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Semantics heterogeneous database Companies Educational institutions Database systems Data models semantic alignment semantical integration
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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