A KNOWLEDGE ONTOLOGY AND ITS APPLICATION INTO A LEARNING ENVIRONMENT MODEL

Second International Conference on Multimedia and ICTs in Education MICTE 2003 – Badajoz - Spain

A KNOWLEDGE A KNOWLEDGE ONTOLOGY AND ITS ONTOLOGY AND ITS

APPLICATION APPLICATION INTO A LEARNING INTO A LEARNING

ENVIRONMENT MODELENVIRONMENT MODELInés Friss de KerekiInés Friss de KerekiORT Uruguay UniversityORT Uruguay University

Javier Azpiazu, Andrés SilvaJavier Azpiazu, Andrés SilvaPolytechnic University of MadridPolytechnic University of Madrid

Part I: IntroductionPart I: Introduction

Part II: Knowledge OntologyPart II: Knowledge Ontology

Part III: ApplicationPart III: Application

Part IV: ConclusionPart IV: Conclusion

Part I: IntroductionPart I: Introduction

Environments MODEL Ontologies

Knowledge Management

Requirements Engineering, Knowledge Engineering

Learning, Teaching

Engineering

PhD Thesis: A learning environment model based on knowledge management techniques

Introduction:Introduction:Context and related Context and related

areasareas

IntroductionIntroduction

Knowledge: the most versatile and Knowledge: the most versatile and important of all production factors important of all production factors (Toffler et al., 1998)(Toffler et al., 1998)

Accurate definition of knowledge Accurate definition of knowledge related terms is requiredrelated terms is required knowledge ontology (Part II)knowledge ontology (Part II) application (Part III)application (Part III)

Part II: Knowledge Part II: Knowledge OntologyOntology

OntologyOntology

Defines the vocabulary of an area Defines the vocabulary of an area basic termsbasic terms relationships (Neches et al., 1991)relationships (Neches et al., 1991)

An explicit formal specification of a An explicit formal specification of a shared conceptualization shared conceptualization (Gruber, (Gruber, 1993)1993)

Ontology of knowledgeOntology of knowledge

descriptive knowledge descriptive knowledge

procedural knowledge procedural knowledge

heuristic knowledge heuristic knowledge

anecdotic knowledgeanecdotic knowledge

ExamplesExamples

Object Oriented ProgrammingObject Oriented Programming ClassesClasses

Elementary MathElementary Math Arithmetic ProgressionArithmetic Progression

HierarchyHierarchy

Knowledge main attributesKnowledge main attributes

DescriptionDescription Learning strategiesLearning strategies ImportanceImportance MediumMedium Required levelRequired level

Part III: ApplicationPart III: Application

What is a Learning What is a Learning Environment?Environment?

It is the space where it is possible to It is the space where it is possible to manage knowledge or, rather, manage knowledge or, rather, ignoranceignorance

Adaptable Adaptable Non sequential approachesNon sequential approaches

The Proposed ModelThe Proposed Model

Implementation: PLE:ASE Implementation: PLE:ASE

PLE:ASEPLE:ASE

ExperimentationExperimentation

Understanding teachingUnderstanding teaching Search for new ways to solve Search for new ways to solve

problemsproblems

Knowledge transferabilityKnowledge transferability

ExperimentationExperimentation

ORT Uruguay UniversityORT Uruguay University 1st year, Programming, Systems Engineering1st year, Programming, Systems Engineering Groups (random):Groups (random):

Control (8 students)Control (8 students) Training (19 students) Training (19 students) Training and environment (21 students)Training and environment (21 students)

2 test to each student2 test to each student Statistical Tests:Statistical Tests:

Mann-Whitney, Kruskal-WallisMann-Whitney, Kruskal-Wallis No significant differences at the beginningNo significant differences at the beginning

Experimentation resultsExperimentation results

The use of the environment allowed The use of the environment allowed the students to enlarge or improve:the students to enlarge or improve: their problem resolution methods and their problem resolution methods and their capacities to carry out the transfer their capacities to carry out the transfer

of knowledge.of knowledge.

Part IV: ConclusionPart IV: Conclusion

It is possible to define a knowledge It is possible to define a knowledge ontology and to apply it, with good ontology and to apply it, with good results, into a learning environment results, into a learning environment modelmodel

Questions?Questions?

Thanks!Thanks!