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  • 學位論文

分散式內容分享之詮釋資料管理

Metadata Management for Distributed Content Sharing

指導教授 : 許永真

摘要


本論文提出了一分散式系統架構作為一個書目資料分享的平台。此系統用以展示我們在分散式環境之中,在處理資源的詮釋資料的管理及分享上,可能會遇到的種種問題。 我們認為一個利用中央控管的解決方式並不適用於一般使用者,因為一般使用者不易維護一個集中式伺服器,且伺服器往往會形成系統成長上的瓶頸。而相較之下,分散式的系統架構較有彈性而能適用於這樣的環境需求。 我們提出了使用DHT (Distributed Hash Table)作為一個索引服務來解決分散式搜尋的問題。並提出利用OpenID架構來解決分散式認證機制上所遇到的困難。

並列摘要


This thesis presents a distributed web-based system focussing on the sharing of bibliographic resources. It is to demonstrate some problem we may face while dealing with metadata management and sharing in a distributed environment. While a centralized solution for metadata sharing is not feasible for general users because the central server would be a bottle neck for scaling up, a decentralized solution is a reasonable way to face the problem. We propose using DHT (Distributed Hash Table) as an indexing service to deal with the scalability problem of distributed search, and facilitating OpenID framework to serve as a solution of decentralized authentication mechanism.

參考文獻


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