Virtual Tutor Application
Madhuri Somarapu
Dr. Jie Yan
Bowie State University
Computer Science Department
Outline








Introduction
Modules
Functionalities
System Design
Database Design
Results
Conclusion
Future Work
Introduction
 The “Online Virtual Tutor” has important implications for the design of future
learning programs that incorporate pedagogical agents. Successful outcomes of
the proposed work will provide a new procedure for developing more engaging
and natural dialogs and narrations by pedagogical agents, which are expected to
lead to more effective learning outcomes.
Modules
 Administrator
 Professor
 Student
Functionalities
•
•
•
•
•
Mail
Syllabus (Profile)
Lecture
Quiz
FAQ
System Design
Use case diagram of Administrator:
Login
Add Users
Edit Users
Administrator
Assign Role
Delete Users
Logout
Use case diagram of Professor:
Login
Enter Profile
Update Profile
Upload
Materials
Delete
Materials
Professor
Create Quiz
Preview
Mailing
Logout
Use case diagram of Student:
Login
Mailing
Take Quiz
View Grades
Download
Materials
Student
Save Materials
Listen Online
Classes
Logout
Database Design
• Login Table:
Table name: Onlineusers
Description:
Login table
Field Name
Data Type
Description
Username
VARCHAR(30)
Username
Password
VARCHAR(30)
Password
Role
VARCHAR(30)
Type of user
Quiz Table:
Table Name:
Quiztable
Description:
Table to store Quiz details
Field Name
Data Type
Description
qtype
varchar(255),
Quiz Type
Subject
varchar(255),
Name of the table
Questions
Int
Number of Questions
Answers
Int
Number of Answers
cur_timestamp
TIMESTAMP(8)
Current Time
Table Name:
Quiztable
Description:
Values in Quiz table
Qtype
Subject
Questions
Answers
Current_time
Multiple choice
Chapter1
5
4
20100726
Multiple choice
Quiz1
4
4
20100727
True or False
Chapter-1 True/False 5
2
20100728
Multiple choice
Graphics
5
4
20100730
True or False
Sample Quiz
4
2
20100730
Quiz Table (continued)
Table Name:
Quiz1
Description:
Values in Quiz1 table
qno
Question
Adata
bdata
cdata
ddata
ans
1
Who are you?
Madhuri
ram
Sarala
Ruth
b
2
Where are you?
Knr
US
UK
Swiz
b
3
How old are you?
22
23
23
25
b
4
Which school?
Bowie
Towson
Gannon
Virginia
a
5
What are you doing? Masters
Undergrad
+2
Preliminary c
Results
Login Page:
Administrator Home Page:
Edit Profile:
Create New User:
User Profile:
Assignments:
Upload Assignment:
Upload Chapter(text files):
Upload Files(for Chapter):
List of Chapters :
Chapter Information:
File Preview:
Create Quiz:
Enter Questions:
Preview Quiz:
Preview Quiz Chapter:
Conclusion
 There is great need for accessible and effective intelligent tutoring systems
that can improve learning by children and adults. The proposed work will
inform the design of pedagogical agents that can produce more engaging
and effective learning experiences.
Future Work:
 Integrate Virtual tutor with desktop application
 Need to implement functionalities:
 Mail
 Profile
Acknowledgements
Thanks to:
Dr. Yan .
Department of Computer science.
Research made possible through grants from:
NSF: SGER: Research to Improve Communication
by Pedagogical Agents (Award No. IIS-0827188).
Thank You