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Design and implementation of an Interoperable Object Platform for Multi-Databases

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Abstract

In this paper, the authors present the design and implementation of an Interoperable Object Platform for Multi-Databases (IOPMD). The aim of the system is to provide a uniform object view and a set of tools for object manipulation and query based on heterogeneous multiple data sources under client/server environment. The common object model is compatible with ODMG2.0 and OMG’s CORBA, which provides main OO features such as OID, attribute, method, inheritance, reference, etc. Three types of interfaces, namely Vface, IOQL and C++API, are given to provide the database programmer with tools and functionalities for application development. Nested transactions and compensating technology are adopted in transaction manager. In discussing some key implementation techniques, translation and mapping approaches from various schemata to a common object schema are proposed. Buffer management provides the data caching policy and consistency maintenance of cached data. Version management presents some operations based on the definitions in semantic version model, and introduces the implementation of the semantic version graph.

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Authors and Affiliations

  1. Compater Science Department, Fudan University, 200433, Shanghai, P.R. China

    Gu Ning, Xu Xuebiao & Shi Baile

Authors
  1. Gu Ning
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  2. Xu Xuebiao
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  3. Shi Baile
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Corresponding author

Correspondence to Gu Ning.

Additional information

This work was sponsored as an ‘863’ High-Tech Project of China under grant 863-511-9511-003, and supported partially by the National Science Key Project of the 9th Five Year Plan of China, under grant 96-729-01-03-05.

GU Ning received his Ph.D. degree from the Institute of Computing Technology, the Chinese Academy of Sciences in 1995. After finishing post-doctor research work at Fudan University in 1996, he has been an, Associate Professor in Computer Science Department of Fudan University. He is currently a research fellow in School of Design of the Hong Kong Polytechnic University. His research interests are engineering database, object database and CSCW in design.

XU Xuebiao got his Ph.D. degree from Computer Science Department of Fudan University in 1998. He is now a post-doctor in Cardiff University of England. His research interests include object database, multi-database interoperation and knowledge base.

SHI Baile graduated from Beijing University in 1957. He is currently a Chief Professor, the director of Computer Institute in Fudan University and the chairman of Shanghai International Database Research Center. He is also the president of Shanghai Computer Federation. His research interests are object and knowledge base, digital library and electronic commerce.

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Gu, N., Xu, X. & Shi, B. Design and implementation of an Interoperable Object Platform for Multi-Databases. J. Comput. Sci. & Technol. 15, 249–260 (2000). https://doi.org/10.1007/BF02948812

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  • DOI: https://doi.org/10.1007/BF02948812

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