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论文作者:留学生论文论文属性:作业 Assignment登出时间:2011-04-13编辑:zn1987点击率:4058
论文字数:2557论文编号:org201104131326416391语种:英语 English地区:英国价格:$ 22
关键词:Knowledge VisualizationKnowledge of the Galaxy
Knowledge Visualization by Doctus Knowledge Galaxy
ABSTRACT
Making an attempt to develop a curriculum for web-based learning, we have realized that the existing solutions have adopted the traditional content management principles of printed books. By doing so, these solutions do not make use of benefits of a web-based system, namely the multimedia https://www.51lunwen.org/liuxuelunwendx/and the interactivity. Our new solution puts these benefits into the focus. Combining the features of semantic networks, cognitive maps and machine learning, we have developed a new generation knowledge visualization tool called Doctus Knowledge Galaxy shell. In our solution the topics and keywords are not in a sequential order, thus ena-bling the e-learner to choose her/his own learning route. The monitoring system of Doctus Knowledge Galaxy also allow us to observe how much time the learner spends on particular keywords and which next keyword she/he chooses after concluding a previous one by passing the test. The most important achievement of Doctus Knowledge Galaxy is its clear and trans-
parent structure, which enables the learners into fast navigation and provides the developers with useful information about the learning routes and performance of the learner.
INTRODUCTION
The present investigation is rooted deeply in our previous work on development of DoctuS Knowledge-Based System Shell [1] and in our experience using it as consultants providing support for decision takers. We have realized a new potential use of DoctuS when faced the
problems of knowledge visualization. In this paper we are giving an outline of a proposed solution for this problem a new generation knowledge visualization tool, the DoctuS Knowledge Galaxy. We start from a brief description of some aspects of knowledge ofknowledge workers to provide a domain of validity of our solution. Then we proceed to de-
scription of the problem of knowledge typologies, which we identified as the burning problem of knowledge visualization. The third section presents the solution: we have taken several pieces of existing solutions 留学生论文代写 both we have put them together in a novel way and we have added some new knowledge elements as well. Because of this kind of blend
in our solution the reader will find references even in this last section.
I. SOME KNOWLEDGE TYPOLOGIES
We start from presumption that for excellence there is no need to create a well-functioning data or/and document management because anyone can purchase off-shelf tools which sup-port the available or purchasable data and documents. Excellence resides in the differences of personal knowledge of knowledge workers. [2] Although this paper is about a solution pro-viding support for the knowledge workers we do not intend to discuss the knowledge of knowledge workers in detail; we only give a very short overview of some of the previous dis-cussions on knowledge that are relevant for the present investigation in terms of features and
limitations.
Ryle [3]
appear at Anderson [4] as procedural knowledge and declarative or descriptive knowledge.
ting
[5] concludes that positive knowledge (knowing what to do) differs from negative knowledge (knowing what not to do). Both are essential. In the present investigation we use knowledge elements meaning irreducible cognitive units. In case of propositional knowledge these are single statements and in case of procedural knowledge 本论文由英语论文网提供整理,提供论文代写,英语论文代写,代写论文,代写英语论文,代写留学生论文,代写英文论文,留学生论文代写相关核心关键词搜索。