在這個資訊爆炸、科技發達的時代，學習方式已經不再侷限於面對面的傳授，各式各樣的學習方式紛紛出籠，其中網際網路學習是最新的趨勢，有了網際網路學習，學習將不再受時間、空間的限制。而不同於傳統教室內面對面的學習方式，網路教學的方式與學習模式有相當的差異，而這種差異已有許多研究者進行相關研究與調查。
目前的網路學習系統都採用單一網站的獨立教學與學習方式，缺乏學習網站與學習網站間共用教學資源的教學模式，本研究所建置的網路學習系統-“EduClasses IV”不同於傳統單一網站集中開課的學習方式，而嘗試採取利用解集中式以及對等式的教學網站架構，建立學習社群，除了提供數位學習內容與功能共用外，還可以觀察在此種系統架構下學習者學習成效的影響。
“EduClasses IV” 配合資源交換中心可以分成三種模式：單一網站模式(Standalone)、學習內容與功能交換中心模式 (LDCFEC：Learning Digital Content and Function Exchange Center)、對等式模式 (Inter-web-based) 模式，提供網路學習系統上一種跨校合作學習模式，從實驗得知即使在網際網路環境下，學習者對自己學校內的網路學習系統仍有強烈的歸屬感以及認同感。

In this age of advanced information technology and information explosion, learning is not limited to traditional face to face teaching. Amongst the different types of learning that had emerged, web-based learning is the latest. With web-based learning, we can learn anytime, anywhere. Many researchers had been studying about the difference between web-based and traditional face to face mode of instruction.
Most of web-based learning systems use independent teaching and learning on single web server. They lack sharing of learning resources between two different web servers. Our research laboratory constructed a web-based learning system-“EduClasses IV” that is different from other traditional single web server systems and attempted to build a learning group using a decentralized & Inter-web-based learning system framework. Besides providing different Learning Digital Content and Function, we can also observe the learning results of the students on this system and the way they are affected.
With respect to Resource Exchange Center, EduClasses IV can be extended into 3 modes: Standalone mode, LDCFEC：Learning Digital Content and Function Exchange Center mode and Inter-web-based mode. These systems can be used to provide an inter-school learning environment. From experiments, it was found that learners had a sense of belonging and identification with their own web-based learning system.

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