Learning by DeLC education portal

One year experience

Emil Doychev, Vesselina ValkanovaUniversity of Plovdiv, Bulgaria

Ohrid, 25.08.2011

Learning by DeLC education portal, Emil Doychev, Vesselina Valkanova 2

Custom DeLC Features O Custom functionality after the 1st

yearO Evolved Exam SystemO Event driven reminder systemO Student bookO Lecturer bookO Resource LibraryO Own SCORM Engine (development in

progress)

Ohrid, 25.8.2011 г.

Learning by DeLC education portal, Emil Doychev, Vesselina Valkanova 3

DeLC Subsytems

Ohrid, 25.8.2011 г.

DeLC

Exams Engine

Reminders Engine

Agent-oriented

AssessmentSCORM Engine

Presented the last year

Separate talk by Vladimir

Under development

Covered by prof.

Stoyanov in separate talk

Learning by DeLC education portal, Emil Doychev, Vesselina Valkanova 4

Current StatsO Current stats for the exams digital

library:

O Student accounts: 127

Questions 319Tests/Exams 13Subjects 10Generated Tests/Exams 360

Ohrid, 25.8.2011 г.

Learning by DeLC education portal, Emil Doychev, Vesselina Valkanova 5

Creating a test

Template1

Q1Q2Q3Q4Q5Qn

Different types of questions

T2 T3 Tn

T1

Test

DeLC Server

Lecturer

Library with questions and

templates

1. Create questions2. Create templates3. Create test

The template dynamically selects a set of questions, based on criteria

set by the lecturer

The test consists of a set of questions

and set of templates

Ohrid, 25.8.2011 г.

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ResultVariant XResult

Student n+2Student n+1

Carrying out an exam

Student 1 Student 2 Student 3 Student 4 Student n

Lecturer

DeLC Server

Test

Variant 1

Variant 4

The time counting is personal per

student

Variant 3

Variant n

If there are open questions the student will be able to see his/her rating after the

evaluation of these questions.

System for automatic assessment of open questions

Test 2

It is possible to carry out different exams in the

same time.

Result Variant 2

Variant n+1

Optimizing the time for the whole exam – the free working places

can be used immediately by another students.

Another possibility – the lecturer make assessment

of the open questions.

Currently a system for automatic assessment is

developing (agent oriented).

When the student complete its exam and

if there are no open questions he/she

receive immediately his/her result.

For each student a different test is

generated, based on the templates included

in the test.

Ohrid, 25.8.2011 г.Learning by DeLC education portal, Emil Doychev, Vesselina Valkanova

Learning by DeLC education portal, Emil Doychev, Vesselina Valkanova 7

Resource LibraryO Contains set of resources:

O documentsO imagesO ArchivesO …

O Hierarchical organizationO Strong and detailed access control:

O by user, group, roleO per branch or individual resource

O Possibility for the students to upload resources

Ohrid, 25.8.2011 г.

Learning by DeLC education portal, Emil Doychev, Vesselina Valkanova 8

Resource Library

Ohrid, 25.8.2011 г.

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User Profiles and Personalization

O The problems:O Big amount of user profiles to

maintainO Some kind of fraud protection

O The solution:O Use an secure LDAP server and the

ability of the portal framework for automatic profile creation

Ohrid, 25.8.2011 г.

Learning by DeLC education portal, Emil Doychev, Vesselina Valkanova 10

User Profiles and Personalization

University DB

Focus User Management

Focus DB

DeLC

Portal DB DeLC DB

University Information System Focus2LDAP

FocusSync Focus LDAP Server

An information system supported by the university

staff

A web based system for user

account management

Daily synchronization for the existing

student accounts

LDAP synchronization - at most 5 seconds after

change in Focus DBDeLC uses Focus LDAP to

get user credentials along with its role and groups (at each login)

Ohrid, 25.8.2011 г.

Learning by DeLC education portal, Emil Doychev, Vesselina Valkanova 11

Final thoughtsO About the students:

O They likes:O the ability to see their exam assessment online ASAPO the impossibility anybody else to see their assessmentO the easy way for sharing materials trough the resource

libraryO They are trying to cheat during the exams.

O About the lecturers:O They likes:

O the dynamic nature of the testsO the flexible way for fine tuning the exams assessmentO the resource libraryO …

Ohrid, 25.8.2011 г.