學習導引與測驗評量是最基本且重要的教學活動，而針對特定主題提供快速學習資訊及評量是現代化社會必要需求。
課程學習導引服務使用XML描述課程單元關係圖，並探索課程單元關係圖從中找出學習單元順序清單及針對每一單元的最佳學習路徑，學習者可針對特定單元進行學習，並避免學習者在超文献系統漫遊導致的路徑迷失及認知超負荷，以提昇學習效能。
線上命題服務使用XML描述試卷準則，包括試題難度及試題重點主題，讓教師輕易的設計所需的試卷。線上測驗服務會依試卷規則動態由題庫中選取試題，並計算動態產生的試卷與試卷準則間的相似度，做為調整試卷內容的依據，使每份動態產生的試卷都能滿足教師的命題要求，並提供學習者重複測試評量。
本論文提出的課程學習導引服務及線上命題測驗服務可輕易整合到線上學習系統，提供需求導向式的學習，改善線上學習系統，使其更具彈性並容易維護，並提高重複使用性。

Guided learning and assessment are two primitive and important learning activities. Today, topic-oriented learning and assessment become more and more important.
Navigation services use a course map, encoded in XML, to model the causal relationships among course units. By exploring the course map, information about the studying precedence lists and the best learning path can be found, helping learners cope with the navigation pitfalls of hypermedia systems and avoid aimlessly surfing in hyperspace, to improve learning performance.
On line exam services consist of ‘creating exam rule’ and ‘taking exam’ services. The ‘creating exam rule’ service gives the teacher a flexible way to create a teacher-made test by specifying the difficulty and topics of an exam paper. The ‘taking exam’ service dynamically creates an exam paper and validates it by evaluating the matching degree between the exam paper and the given exam rule, so that each dynamically created exam paper meets the specified rules and has a consistent pass-fail standard. The on-line exam services enable each student to take the on-line exam repeatedly.
The navigation services and on-line examination services can be easily integrated into e-learning systems, so the e-learning systems can provide agility learning for a specific topic. Besides, e-learning systems become more flexible and maintainable, and the reusability is also improved.

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