Optimizing Data Allocation for Distributed Databases on Intranet by Ontology Schema
碩士 === 朝陽科技大學 === 資訊管理系碩士班 === 91 === Along with the development of network and database technology, distributed databases are widely used in most of the companies. For the sake of increasing the efficiency of data processing and reducing the cost of data transmission in the distributed databases, t...
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ndltd-TW-091CYUT53960222015-10-13T16:56:51Z http://ndltd.ncl.edu.tw/handle/39368252913637698405 Optimizing Data Allocation for Distributed Databases on Intranet by Ontology Schema 在映拓邏輯架構下探究內部網路上分散式資料庫之最佳資料配置 Tzung-Liang Hung 洪宗良 碩士 朝陽科技大學 資訊管理系碩士班 91 Along with the development of network and database technology, distributed databases are widely used in most of the companies. For the sake of increasing the efficiency of data processing and reducing the cost of data transmission in the distributed databases, the data should be placed in the most appropriate server sites. Most of previous researches assume that the database design is already there and then the data allocation problem is investigated on the existent distributed databases by analyzing the system operation history, such as query frequency and data affinity. In this thesis, an ontology schema will be proposed to analyze and represent the data requirements for a new distributed database system construction, and then two data allocation techniques are proposed to minimize the total transmission cost between server sites with the consideration of usage. In addition, the total transmission cost of a distributed database depends on not only the way of data allocation, but also the intranet topological design. Most of researches were addressed on the topological design problem on particular network architectures and used heuristic algorithms to achieve optimal network connections. In this thesis, a method for intranet design is proposed by establishing an ontology schema for the organizational data, and then sketching an intranet topology to achieve a deterministic solution. An intranet based on this method can not only fulfill the requirements of the enterprise information systems but also provide the minimum total transmission cost. Jau-Ji Shen 沈肇基 2003 學位論文 ; thesis 72 en_US |
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碩士 === 朝陽科技大學 === 資訊管理系碩士班 === 91 === Along with the development of network and database technology, distributed databases are widely used in most of the companies. For the sake of increasing the efficiency of data processing and reducing the cost of data transmission in the distributed databases, the data should be placed in the most appropriate server sites. Most of previous researches assume that the database design is already there and then the data allocation problem is investigated on the existent distributed databases by analyzing the system operation history, such as query frequency and data affinity. In this thesis, an ontology schema will be proposed to analyze and represent the data requirements for a new distributed database system construction, and then two data allocation techniques are proposed to minimize the total transmission cost between server sites with the consideration of usage. In addition, the total transmission cost of a distributed database depends on not only the way of data allocation, but also the intranet topological design. Most of researches were addressed on the topological design problem on particular network architectures and used heuristic algorithms to achieve optimal network connections. In this thesis, a method for intranet design is proposed by establishing an ontology schema for the organizational data, and then sketching an intranet topology to achieve a deterministic solution. An intranet based on this method can not only fulfill the requirements of the enterprise information systems but also provide the minimum total transmission cost.
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author2 |
Jau-Ji Shen |
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Jau-Ji Shen Tzung-Liang Hung 洪宗良 |
author |
Tzung-Liang Hung 洪宗良 |
spellingShingle |
Tzung-Liang Hung 洪宗良 Optimizing Data Allocation for Distributed Databases on Intranet by Ontology Schema |
author_sort |
Tzung-Liang Hung |
title |
Optimizing Data Allocation for Distributed Databases on Intranet by Ontology Schema |
title_short |
Optimizing Data Allocation for Distributed Databases on Intranet by Ontology Schema |
title_full |
Optimizing Data Allocation for Distributed Databases on Intranet by Ontology Schema |
title_fullStr |
Optimizing Data Allocation for Distributed Databases on Intranet by Ontology Schema |
title_full_unstemmed |
Optimizing Data Allocation for Distributed Databases on Intranet by Ontology Schema |
title_sort |
optimizing data allocation for distributed databases on intranet by ontology schema |
publishDate |
2003 |
url |
http://ndltd.ncl.edu.tw/handle/39368252913637698405 |
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