LOM Educational Ontology

LOM Educational Ontology

• Αργυρώ Δαφέρμου Α.Μ. 1449• Δημήτρης Καμπάς ΜΕΤ 4• Τηλέμαχος Τζανάκης Α.Μ.1642

1566 - Αναπαράσταση γνώσης στο διαδίκτυο

Presentation Structure

566 - Αναπαράσταση γνώσης στο διαδίκτυο 2

SeLeNe Project

e-learning Object

LOM (Learning Object Metadata)

Classes of ontology

Properties of ontology

SeLeNe Project


What is SeLeNe Project

o An approach to provide a SELF e-learning network in order to support geographically distributed and highly heterogeneous learners.

o “Trying” to facilitate the formation of learning communities that require world-wide discovery and assimilate of knowledge by elaborating new educational tools.


SeLeNe Objectives

Conduct a study of on-line educational resources and metadata, and of learners' and instructors' expectations of e-Learning systems.

Identify technologies for syndication and personalisation of educational resources.

Identify technologies for managing evolving RDF description bases, and design the high-level system architecture of a Self e-Learning Network.


What is e-learning object

It describes a broad category of digital assets that can be used for learning, training, or knowledge development.

A learning object can be as small as a paragraph of text and as large as a 3 month online course.


What is LOM


Creation of well structured descriptions of learning resources

Sharing of descriptions of learning resources between resource discovery systems

Tailoring of the resource descriptions to suit the specialised needs of a community

Classes of Ontology (1/2)


Homework Laboratory

Assignment

Exercise Exam

Classes of Ontology (2/2)


Assignment (defined in other ontology): It refers to any kind of course work given during a semester.

Exercise: Is direct subclass of the Assignment class referring to actual exercises, homework or laboratories.

Exam: Is a direct subclass of the Assignment class referring to actual exams.

Laboratory: Is a direct subclass of the Exercise class referring to course laboratories conducted during a semester.

Homework: Is a direct subclass of the Exercise class referring to Course homework assigned to students during a semester.

Properties of Ontology (1/9)


1st Final

Exam PeriodMidterm

2nd Final

Period: This property indicates the examinations period during which an exam was carried out, i.e. Midterm, Finals (1st period), Finals (2nd period)



interactivityType:Predominant mode of learning supported by this learning object. Possible values : Active, Expositive, Mixed

Expositivee-Learning Object

Interactivity Type

Active

Mixed



e-Learning Object

InteractivityLevel

Medium

HighVery High

Very Low

Low

interactivityLevel: Provides the degree of interactivity characterizing this learning object. It refers to the degree to which the learner can influence the aspect or behavior of the learning object. Possible values: Very Low, Low, Medium, High, Very High



semanticDensitye-Learning Object

Medium

High

Very High

Very Low

Low

semanticDensity: The degree of conciseness of a learning object. The semantic density of a learning object may be estimated in terms of its size, span, or --in the case of self-timed resources such as audio or video-- duration.The semantic density of a learning object is independent of its difficulty. Possible values: Very Low, Low, Medium, High, Very High



intendedEndUserRole: Principal user(s) for which this learning object was designed, most dominant first, i.e. "learner". Possible values: Teacher, Author, Learner, Manager

e-Learning Object Intended End

User Role

Teacher

LearnerManager

Author



context: The principal environment within which the learning and use of this learning object is intended to take place.Possible values: School, HigherEducation, Training, Other.

Higher EducationContext

e-Learning Object

School

Training

Other



TypicalAgeRange: Age of the typical intended user. This data element shall refer to developmental age, if that would be different from chronological age, i.e. "18-70".

e-Learning Object

Typical Age Range String



Difficultye-Learning Object

Medium

Difficult

Very Difficult

Very Easy

Easy

Difficulty: How hard it is to work with or through this learning object for the typical intended target audience. Possible values: Very Easy, Easy, Medium, Difficult, Very Difficult.



e-Learning Object

Typical Learning Time String

typicalLearningTime: Approximate or typical time it takes to work with or through this learning object for the typical intended target audience, i.e. "P4M" (holds for 4 months).

LOM Educational Ontology

Documents

Transcript of LOM Educational Ontology