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題 名 | A Theoretical Framework for the Conceptual Data Schema Sharing--A Dual-Base Knowledge Model=概念性資料綱目分享的一個理論性架構--對偶式知識模型 |
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作 者 | 張財源; 吳建和; | 書刊名 | 資訊電子學刊 |
卷 期 | 3:1 2008.11[民97.11] |
頁 次 | 頁1-13 |
分類號 | 312.121 |
關鍵詞 | 對偶式知識模型; 概念性資料綱目; 理論性架構; Knowledge-based database design systems; Extended entity relationship model; Conceptual data schema; Dual-base knowledge model; |
語 文 | 英文(English) |
英文摘要 | Although Knowledge-Based Database Design Systems have been proposed to assist the database designers, the characteristic of reusing the knowledge that may have acquired from previous experience like database design experts is not full addressed and satisfied, thus leading to the confusion of current conceptualisation work and providing no suggestion for overcoming the difficulties of object identification and semantic interpretation. To be truly helpful, two issues involved by experiences reuse have to be taken into account. Those are design by reuse and design for reuse. How to recall the useful experiences from the memory pool is the main concern of the former issue and the latter issue is concerned with how to structure knowledge including representation, segmentation and indexing. In this research, a unified theoretical framework based on the Dual-Base Knowledge Model is proposed to address these implications. In addition, the process model of the Dual-Base Knowledge Model is elaborated and then illustrated by a simulated example. By means of the two embedded mechanisms - the case retrieval and the knowledge accumulation mechanism in the process model, the relevant experiences can always be retrieved at the right time from the very large memory pool and the newly gained knowledge can be allocated in an appropriate place in the knowledge repository to be recalled in the next design session. |
本系統中英文摘要資訊取自各篇刊載內容。