A KNOWLEDGE ONTOLOGY AND ITS APPLICATION INTO A LEARNING ENVIRONMENT MODEL
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Transcript of 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!