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| Paper Abstract and Keywords | ||
| Presentation | 2017-07-19 14:10 A Domain Model Approach using Normalized Class and Existence Dependency Shigeo Kaneda, Akio Ida, Yusuke Morimoto (Doshisha Univ.)  SS2017-7 KBSE2017-7 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Object-oriented modeling is a major approach to requirement analysis and object-oriented software development. In an ideal situation, the lifetime of a property value should be equal to that of its instance in the class diagram design. Furthermore, each property value should depend functionally and non-transitively on the object ID (primary key of the instance). We call this type of class a “normalized class” in this paper. However, the above assumptions prove to be far from reality. Real applications usually require non-normalized classes that have property values copied from the corresponding instances. This property value transitively depends on the object ID, which implies the class is not normalized. Consequently, the non-normalized structure reduces the maintenance capabilities of the application software. To overcome the problem, this paper proposes the following scheme. (1) Normalized classes and an existence-dependency class diagram are fully adopted. (2) The generated instances are never deleted and use a type of timestamp to label their lifetime. (3) Each instance consists of many versions to record the time-dependent changes of the instance. The above mechanism allows each instance to obtain property values of different instances at any time, provided the current instance and the target instance are linked by an existence-dependency association. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Existence Dependency / Normalized Class Diagram / Relationship / Domain Model / Application Software / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 137, KBSE2017-7, pp. 37-42, July 2017. | |
| Paper # | KBSE2017-7 | |
| Date of Issue | 2017-07-12 (SS, KBSE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | SS2017-7 KBSE2017-7 |
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| Conference Information | |
| Committee | SS KBSE IPSJ-SE |
| Conference Date | 2017-07-19 - 2017-07-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | KBSE |
| Conference Code | 2017-07-SS-KBSE-SE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Domain Model Approach using Normalized Class and Existence Dependency |
| Sub Title (in English) | |
| Keyword(1) | Existence Dependency |
| Keyword(2) | Normalized Class Diagram |
| Keyword(3) | Relationship |
| Keyword(4) | Domain Model |
| Keyword(5) | Application Software |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shigeo Kaneda |
| 1st Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 2nd Author's Name | Akio Ida |
| 2nd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 3rd Author's Name | Yusuke Morimoto |
| 3rd Author's Affiliation | Doshisha University (Doshisha Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-07-19 14:10:00 |
| Presentation Time | 25 minutes |
| Registration for | KBSE |
| Paper # | SS2017-7, KBSE2017-7 |
| Volume (vol) | vol.117 |
| Number (no) | no.136(SS), no.137(KBSE) |
| Page | pp.37-42 |
| #Pages | 6 |
| Date of Issue | 2017-07-12 (SS, KBSE) |
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