The Design and Implementation of an Interoperable Database System Based on Scripts and Active Objects

Hiroshi ISHIKAWA; Kazumi KUBOTA; Koki KATO

The Design and Implementation of an Interoperable Database System Based on Scripts and Active Objects

Hiroshi ISHIKAWA, Kazumi KUBOTA, Koki KATO

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Our objective is to resolve three types of heterogeneity - data model,database system, and semantic - in heterogeneous databases. The basic framework which we propose for this objective is realized in an autonomous decentralized database system (i.e., an interoperable database system), called Jasmine/M. Users describe their relational or object-oriented data models and schemas locally using the model primitives which Jasmine/M provides as a scripting language. Description using such primitives or scripts constitutes viewports, which have a role to resolve heterogeneity in data models and database systems at local sites. At relational viewports, both relational and object-oriented schemas defined at other sites are translated via scripts and are viewed as relational schemas. Similarly at object-oriented viewports, any schema defined at other sites is viewed object-oriented schemas. Relational and object-oriented views are used to resolve semantic heterogeneity within viewports. This paper describes a step wise approach to resolving the three types of heterogeneity, using scripts, viewports, and views, and its implementation using active objects.

Publication: IEICE TRANSACTIONS on Information Vol.E78-D No.11 pp.1396-1406

Publication Date: 1995/11/25

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Type of Manuscript: Special Section PAPER (Special Issue on Advanced Database Technologies)

Category: Interoperability

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Hiroshi ISHIKAWA, Kazumi KUBOTA, Koki KATO, "The Design and Implementation of an Interoperable Database System Based on Scripts and Active Objects" in IEICE TRANSACTIONS on Information, vol. E78-D, no. 11, pp. 1396-1406, November 1995, doi: .
Abstract: Our objective is to resolve three types of heterogeneity - data model,database system, and semantic - in heterogeneous databases. The basic framework which we propose for this objective is realized in an autonomous decentralized database system (i.e., an interoperable database system), called Jasmine/M. Users describe their relational or object-oriented data models and schemas locally using the model primitives which Jasmine/M provides as a scripting language. Description using such primitives or scripts constitutes viewports, which have a role to resolve heterogeneity in data models and database systems at local sites. At relational viewports, both relational and object-oriented schemas defined at other sites are translated via scripts and are viewed as relational schemas. Similarly at object-oriented viewports, any schema defined at other sites is viewed object-oriented schemas. Relational and object-oriented views are used to resolve semantic heterogeneity within viewports. This paper describes a step wise approach to resolving the three types of heterogeneity, using scripts, viewports, and views, and its implementation using active objects.
URL: https://global.ieice.org/en_transactions/information/10.1587/e78-d_11_1396/_p

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@ARTICLE{e78-d_11_1396,
author={Hiroshi ISHIKAWA, Kazumi KUBOTA, Koki KATO, },
journal={IEICE TRANSACTIONS on Information},
title={The Design and Implementation of an Interoperable Database System Based on Scripts and Active Objects},
year={1995},
volume={E78-D},
number={11},
pages={1396-1406},
abstract={Our objective is to resolve three types of heterogeneity - data model,database system, and semantic - in heterogeneous databases. The basic framework which we propose for this objective is realized in an autonomous decentralized database system (i.e., an interoperable database system), called Jasmine/M. Users describe their relational or object-oriented data models and schemas locally using the model primitives which Jasmine/M provides as a scripting language. Description using such primitives or scripts constitutes viewports, which have a role to resolve heterogeneity in data models and database systems at local sites. At relational viewports, both relational and object-oriented schemas defined at other sites are translated via scripts and are viewed as relational schemas. Similarly at object-oriented viewports, any schema defined at other sites is viewed object-oriented schemas. Relational and object-oriented views are used to resolve semantic heterogeneity within viewports. This paper describes a step wise approach to resolving the three types of heterogeneity, using scripts, viewports, and views, and its implementation using active objects.},
keywords={},
doi={},
ISSN={},
month={November},}

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TY - JOUR
TI - The Design and Implementation of an Interoperable Database System Based on Scripts and Active Objects
T2 - IEICE TRANSACTIONS on Information
SP - 1396
EP - 1406
AU - Hiroshi ISHIKAWA
AU - Kazumi KUBOTA
AU - Koki KATO
PY - 1995
DO -
JO - IEICE TRANSACTIONS on Information
SN -
VL - E78-D
IS - 11
JA - IEICE TRANSACTIONS on Information
Y1 - November 1995
AB - Our objective is to resolve three types of heterogeneity - data model,database system, and semantic - in heterogeneous databases. The basic framework which we propose for this objective is realized in an autonomous decentralized database system (i.e., an interoperable database system), called Jasmine/M. Users describe their relational or object-oriented data models and schemas locally using the model primitives which Jasmine/M provides as a scripting language. Description using such primitives or scripts constitutes viewports, which have a role to resolve heterogeneity in data models and database systems at local sites. At relational viewports, both relational and object-oriented schemas defined at other sites are translated via scripts and are viewed as relational schemas. Similarly at object-oriented viewports, any schema defined at other sites is viewed object-oriented schemas. Relational and object-oriented views are used to resolve semantic heterogeneity within viewports. This paper describes a step wise approach to resolving the three types of heterogeneity, using scripts, viewports, and views, and its implementation using active objects.
ER -