Knowledge-Based e-Learning
  The SINTEC Personalized,
Student model                                                                                                        Intel...
1/15/2010   OL-KWM 2005   13   1/15/2010   OL-KWM 2005   14

1/15/2010   OL-KWM 2005   15   1/15/2010   OL-KWM 2005   1...

    The approach was used for CS students at
    Algernon is not reliable – in future JESS
    A lot ...
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  1. 1. Knowledge-Based e-Learning The SINTEC Personalized, Knowledge based systems Knowledge-Based E-Learning Student modeling Environment Reasoning for: Ştefan Trăuşan-Matu 1,2 Student diagnosis Valentin Cristea 1 Explanations generation Octavian Udrea 3 Lesson planning 1Computer Science Department, Bucharest "Politehnica" University, Intelligent interfaces 2Romanian Academy Institute for Artificial Intelligence ROMANIA 3Maryland University, US 1/15/2010 OL-KWM 2005 2 Knowledge Ontologies Learning is a knowledge centered activity: One of the main goals of a learning process is the articulation in the learner’s mind of a body of "An ontology is a specification of a knowledge for the considered domain. conceptualization....That is, an ontology is The skeleton of this body is usually a semantic a description (like a formal specification of network of the main concepts involved in that a program) of the concepts and domain - ONTOLOGY relationships that can exist for an agent or a community of agents" (Gruber) 1/15/2010 OL-KWM 2005 3 1/15/2010 OL-KWM 2005 4 Ontologies used in e-Learning Personalized texts for e-Learning Are adapted to each users': Domain knowledge - student model Tutoring learning style psychological profile Human-computer interfacing goals (e.g. lists of concepts to be learned) Lexical level (novice, expert) Upper Level preferences (e.g. style of web pages) context of interaction 1/15/2010 OL-KWM 2005 5 1/15/2010 OL-KWM 2005 6 1
  2. 2. Student model Intelligent e-Learning Projects at CS-Polytechnic University & ICIA Keeps track of the concepts known, unknown or wrongly known by the student (Dimitrova, Self, Brna, MacPAIL 2000) ITS for programming Inferred from results at tests or from interaction (visited web pages, topics searched etc.) WebGen Is usually defined in relation with the domain LARFLAST ontology (concept net, Bayesian net) SINTEC EU-NCIT COOPER 1/15/2010 OL-KWM 2005 7 1/15/2010 OL-KWM 2005 8 SINTEC (2002-2003) SINTEC INFOSOC- Funded Project Collaborative tools for distance and distributed e-Learning Web services technology for distributed processing Includes experience from ITS and LARFLAST knowledge (ontologies) from the (Semantic) Web Partners : Content creation and reuse from the web, according to metadata standards for e-Learning like IMS, ARIADNE, CS Dept., “Polytechnica” Univ. Bucharest SCORM, AICC Romanian Academy Institute for AI ITS technology (student modelling and inference) Romanian Academy Psychology Institute Text Mining: SIVECO S.A. Romania intelligent search of learning materials on the web knowledge extraction Continued in FP6 SSA EU-NCIT categorization summarization 1/15/2010 OL-KWM 2005 9 1/15/2010 OL-KWM 2005 10 INSTITUTIONAL PORTAL - WWW Collaborative Services Content Editor Knowledge Server Intelligent CONTENT Search Interface SERVER Generator Knowledge Editor Content Knowledge Knowledge Information Management Extraction Repository Knowledge Repository Management Training Management Web Pages Tests Generator Answer Generator Analysis Student Lecture Model Intelligent Tutoring 1/15/2010 Scheduling OL-KWM 2005 11 1/15/2010 OL-KWM 2005 12 e-Learning 2
  3. 3. 1/15/2010 OL-KWM 2005 13 1/15/2010 OL-KWM 2005 14 1/15/2010 OL-KWM 2005 15 1/15/2010 OL-KWM 2005 16 1/15/2010 OL-KWM 2005 17 1/15/2010 OL-KWM 2005 18 3
  4. 4. Conclusions The approach was used for CS students at PUB Algernon is not reliable – in future JESS A lot of psychology work to be done Difficult to develop the ontology 1/15/2010 OL-KWM 2005 19 4