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http://ssrn.com/abstract=336205
 
 

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Knowledge Integration to Overcome Ontological Heterogeneity: Challenges from Financial Information Systems


Aykut Firat


Massachusetts Institute of Technology (MIT) - Sloan School of Management

Stuart Madnick


Massachusetts Institute of Technology (MIT) - Sloan School of Management

Benjamin Grosof


Massachusetts Institute of Technology (MIT) - Sloan School of Management

October 2002

MIT Sloan Working Paper No. 4382-02; CISL Working Paper No. 2002-11

Abstract:     
The shift towards global networking brings with it many opportunities and challenges. In this paper, we discuss key technologies in achieving global semantic interoperability among heterogeneous information systems, including both traditional and web data sources. In particular, we focus on the importance of this capability and technologies we have designed to overcome ontological heterogeneity, a common type of disparity in financial information systems. Our approach to representing and reasoning with ontological heterogeneities in data sources is an extension of the Context Interchange (COIN) framework, a mediator-based approach for achieving semantic interoperability among heterogeneous sources and receivers. We also analyze the issue of ontological heterogeneity in the context of source-selection, and offer a declarative solution that combines symbolic solvers and mixed integer programming techniques in a constraint logic-programming framework. Finally, we discuss how these techniques can be coupled with emerging Semantic Web related technologies and standards such as Web-Services, DAML+OIL, and RuleML, to offer scalable solutions for global semantic interoperability. We believe that the synergy of database integration and Semantic Web research can make significant contributions to the financial knowledge integration problem, which has implications in financial services, and many other e-business tasks.

Number of Pages in PDF File: 23

Keywords: Database Integration, Semantic Web, Ontologies, Source Selection

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Date posted: October 25, 2002  

Suggested Citation

Firat, Aykut and Madnick, Stuart and Grosof, Benjamin, Knowledge Integration to Overcome Ontological Heterogeneity: Challenges from Financial Information Systems (October 2002). MIT Sloan Working Paper No. 4382-02; CISL Working Paper No. 2002-11. Available at SSRN: http://ssrn.com/abstract=336205 or http://dx.doi.org/10.2139/ssrn.336205

Contact Information

Aykut Firat
Massachusetts Institute of Technology (MIT) - Sloan School of Management ( email )
77 Massachusetts Ave.
E62-416
Cambridge, MA 02142
United States
Stuart E. Madnick (Contact Author)
Massachusetts Institute of Technology (MIT) - Sloan School of Management ( email )
E53-321
Cambridge, MA 02142
United States
617-253-6671 (Phone)
617-253-3321 (Fax)
Benjamin Grosof
Massachusetts Institute of Technology (MIT) - Sloan School of Management ( email )
E53-317
Cambridge, MA 02142
United States
617-253-8694 (Phone)
HOME PAGE: http://www.mit.edu/~bgrosof
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