本文研究如何運用發佈/訂閱之非同步通訊模型及XML技術來實現一個功能強大的事件通報與內容整合系統。

　　透過系統能方便的從不同的資訊來源蒐集所需的資訊，並進一步整合成一個符合subscriber訂閱條件的XML Object。XML Object為本系統內容整合的基本單位。資訊消費者能從既存的XML Objects中重新定義一個完整的XML Object以滿足他所需的資訊。因此，在本系統設計中，如何搭建新定義的資訊物件與既存的資訊物件間的對應關係為本系統設計關鍵的部份。另外，我們也提供一些工具讓資訊整合者在不用撰寫程式的狀況下能快速的建立整合應用。本論文研究也將探討資訊整合系統的模型與其他相關議題。

　　本系統同時引用XML文件儲存系統(XML Document Storage，XDS)作為長期性的事件訊息之訊息交換中心，以儲存資訊提供者所發佈的XML Objects，也同時讓subscriber取得所需的XML Objects。XDS以XML Object為基本的儲存單位符合了內容整合系統的模型與需求。

　In this thesis, we present a powerful and convenient system for event notification and content syndication service using the asynchronous publish/subscribe communication scheme and the XML technology.
　Using the system we can conveniently collect the required information from separated information sources and integrate the information into a set of XML objects for the subscriptions of information consumers. The XML Object is the basic information unit in our system for content syndication. The information consumer can define a new XML object, composing this new XML object with some existing XML objects for his own need. Thus, the mapping of data items between the new and existing XML objects is the key challenge in our system design. Our system provides a set of tools used for information integrating without programming efforts. In this thesis we will describe and discuss the model of this information integration system and some related design issues.
　For persistent store of event messages, we use the XML Document Storage system as the message exchange center to store the published XML objects and to retrieve the XML objects for subscribers. The XML Document Storage system provides XML object abstraction as the basic storage unit which matches the model and requirements of this content syndication system.

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