A design of subject model for Web-based education system
TL;DR: A subject model for a Web-based education system that facilitates distance education is proposed and uses a tree with multiple links that has been very useful in guiding diverse students through the courseware.
Abstract: With the rapid growth of the Internet, its users and its applications, there has been considerable interest in Web-based education systems that facilitates distance education. We propose a subject model for a Web-based education system. The designed model uses a tree with multiple links. Each link weight has been derived from relationships among the concepts of the subject. The designed modular tree with multiple conceptual links has been very useful in guiding diverse students through the courseware.
Summary (2 min read)
- The Internet is the largest, most powerful computer network in the world.
- With access to the Internet, distance educators and their students can use: Electronic mail (e-mail), Bulletin boards, World-Wide Web (WWW).
- Adaptive Web-based Education Systerns usually enable content and navigation adaptation, by altering the link structure and the node contents of the hypertext that contains the educational material.
- Furthermore, ill-structured domains pose several important problems that are hard to solve for systems that provide problem-solving support and analysis of student solutions.
- Detailed information on the user is required.
2 Web-Education Architecture
- 0 Adaptive User Interface, also known as The components are.
- The user logs on to access the course material through the web server, which launches adaptive interface.
- User knowledge level is analyzed and User model determines the module and the concept available to each user.
- Structure of the subject domain depends on weighted links which are organized as set of Modules associated with relevant concepts, also known as Subject domain Model.
- Student should have at least minimal expertise to access certain modules.
2.1 Some of the existing Web-based education systems.
- Web-based AES inherits from two earlier kinds of AES: intelligent tutoring systems .
- ITS use the knowledge about the domain, the student, and about teaching strategies to support flexible individualized learning and tutoring.
- Adaptivity was one of the goal features of any ITS.
- Existing adaptive Web-based systems can be divided into three groups: adaptive information systems which serves personalized information online like AVANT1  , adaptive filtering systems which helps user to find relevant "drops" in the ocean of available information like ifWeb  and adaptive educational systems.
- AES is the biggest group: more than half of the existing adaptive Web-based systems are AES.
3 Proposed subject domain model
- In this section the authors discuss the design of the subject domain model for web-based education system.
- The design is based on the module prioritization scheme.
- The modules are interlinked based on the subject material placements in each of the modules.
- Each module is further divided into a set of associated concepts.
3.1. A Method of subject classijkation
- The placement of subject material in the database is an essential, so that a student can easily find the most relevant information depending on hisher needs relevant to his knowledge level.
- Third, teachers build a model of the students' knowledge.
- Besides, each unit has prerequisites (units that the student should be familiar with before working on the unit), and consequences (possible outcomes and effects on other units).
- Each test in the test base can be connected to multiple concepts, rated on difficulty and on relevance for a concept.
- The second level explains some concepts used in the first stage in more detail and the third stage gives detailed information and advanced hints.
3.2 Weights of subject modules.
- Generally given topic or course may be divided into set of Modules.
- These modules has been interlinked, based on the subject rnaterial placements in each of the module.
- The interlinked weight increases as the modules gets more advanced.
- The authors illustrate theoretical subject domain module for placing subject material Web-based Education as discussed in previous sections.
- Wi, that is relevant to his knowledge level, and tries to access Concept, Ci, appropriate node designed for his knowledge level using adaptive navigation technique  is presented to him.
- The authors have considered the subject material of communication protocols to construct the domain model.
- Figure 4. describes the modules of the course and Figure 5. clearly indicates Conceptual tree  meant for diverse users based on their knowledge levels .
- Design structure allows the diverse users to offer relevant navigational possibilities.
- Signore, 0. et al., "Tailoring Web Pages to Users' Needs", Proc. of the workshop Adaptive Systems and User Modeling on the WWW - 6th International.
- [I l l Denise Pilar da Silva, Rafael Van Durm, K.Hendrikx, E.Duva1, and H.OliviC.
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Cites background from "A design of subject model for Web-b..."
...ITS consider various factors involving user skill and knowledge level to display appropriate content which suits the user level....
...Another problem with most ITS is that they adapt user content in the next module and the current content being displayed is not reviewed with respect to the level of understanding achieved for the current module....
...Moreover, most ITS  do not take anomalous situations into consideration, which make them ineffective in extreme cases....
...Moreover, the advent of the WWW has given rise to a wide range of Web based ITS  which use innovative methods of tutoring and a standard web interface as the client....
Cites background or methods from "A design of subject model for Web-b..."
...) and the teachers in first process will check the pre-knowledge and learning skills for each student-using questionnaire and sometimes interviews [10, 4, 6, 2]....
...A digital library is meant to provide both Webbased housing of learning objects with browsing functionality and to offer advance services for structuring and accessing materials, as well as for community tasks for more details see [2, 3, 4, 5, 6, 7, 8, 9, 10, 11]....
...SOME REVIEWS OF RELATED WORKS In , a subject model for web-based education system and teachers plays an important role in the learning processing....
"A design of subject model for Web-b..." refers background in this paper
...In particular, the system can adaptively sort,  annotate, or partly hide the links in the current page to make easier the choice of the next link to proceed....
"A design of subject model for Web-b..." refers background in this paper
...The classification of AES based on  their goal, is due to: Curriculum Sequencing (or instructional planning), Intelligent analysis of student solutions , Interactive problem solving support, Example-based problem solving, Adaptive presentation [ 2 ] technology, Adaptive collaboration support . Adaptive navigation support technology is to support the student navigation and orientation in hyperspace by changing the appearance of visible ......
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Q1. What are the contributions in "A design of subject model for web-based education system" ?
In this paper, the authors propose a Subject Model for Web-based Education system.