隨著資訊科技的進步與寬頻基礎建設的提昇，大量的資料、資訊或知識經常性地在使用者之間經由網路進行傳遞，因此奠定了數位化學習蓬勃發展的基礎。而最常用來溝通和學習的線上討論區因其具備幫助擴展使用者學習活動的優點，已逐漸地被整合在數位化學習系統上。
傳統的數位化學習僅著重在教授者單向的提供知識，並沒有納入學習者本身的知識回饋，而近年來，具備協同合作與知識分享等特性的Web 2.0已快速興起，故在此導入Web 2.0的概念設計在數位化學習系統上，並進行評估該系統之再使用的忠誠傾向，及找出其重要的影響模式因子。本研究應用維基及雅虎知識家的分享與共同編修概念設計於線上討論區，用以建置互動式的數位化學習系統，讓使用者之間互相分享、討論、溝通和合作，允許使用者針對問題的解答任意新增或修改內容以尋求最佳解答，另外還提供豐富網站摘要(Rich Site Summary, RSS)功能，以動態的e-mail通知讓使用者可以即時得知該課程最新的討論情形，藉以提升學習成效。
為討論此類系統如何達成效益，本研究修改已被廣泛驗證的資訊系統成功模式(Information System Success Model, ISSM)，藉由資訊品質、系統品質和服務品質等三個構面來衡量使用者之間互動化溝通模式及使用者滿意，進而採用結構方程模式(Structural Equation Modeling, SEM)進行分析、探討其忠誠傾向，並找出模式的重要影響因子。本研究的結果發現，數位化學習系統的特性是重要的，資訊品質與服務品質這二者是會影響到使用者的彼此分享、討論、溝通與回饋等互動化的溝通模式。另外本研究建議後續研究者可以使用其他的數位化學習系統、理論模式或樣本型態再繼續研究，以期找出更多不一樣的重要影響因子。

Recently, information technology is more mature and broadband infrastructure rapidly upgrade, a mount of data, information and knowledge transmit among users more easily. It causes e-learning systems are adapted in many domains. In e-learning systems, many of them adopt bulletin board as a communication channel among users. The online discussion environment is more convenience than traditional classroom communication which is limited at time and space.
Generally speaking, instructors give learning content in a face to fact e-learning system, and less to get students’ feedback. Although several researches use bulletin board to improve the situation, the interaction content is not well organized.
In recent years, Web 2.0 was rapidly development. Web 2.0 has the features of collaboration and knowledge sharing which match to our hypothesis.. Therefore, we aim to adapt Web2.0 into bulletin board and to evaluate system effect and find out its successful factors. Our research applies wiki and yahoo knowledge+ conception, and then establishes an interactive e-learning system which allows users to share, to discuss, to communicate and to collaborate among users.
In order to know benefit, our research adapted widely valid Information System Success Model. By information quality, system quality and service quality dimensions to measure interactive communications, user satisfaction and loyalty intentions. Structural equation modeling is used to verify the proposed theoretical model and to find success factors. Our research finds that e-learning characteristics are important, information quality and service quality is likely to influence user sharing, discuss, communicate and collaborate among users.

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