INFORMATION RETRIEVAL AND KNOWLEDGE MANAGEMENT SYSTEM

Contents Introduction System analysis Modules System specifications Software technologies Data flow diagrams Uml diagrams Screen shots Software testing Conclusion

Introduction Storing and retrieving the data. User can post a query and View the existing query

System analysis Existing system Proposed system

Existing system Manual one. Increases complexity

Proposed system: Software solution Maintains frequently asked questions

Merits of the system: Faster processing Maintaining frequently asked questions Modifications of answers can be carried out immediately Easy to handle more number of students

Project modules The project contains three modules Super User Administrator Student

Module1: Super user Controlling the data Appointing and shifting the administrators Add and delete records

Module2: Administrator Responding to the queries Add, modify or remove questions Post a question even if it is not a question frequently asked Forward the queries to the experts in the department for answering the queries posted by students , which is an internal process.

Module3: Student Posting a query Check for existing queries

System specifications Software requirements Hardware requirements

Operating system : Windows 2000 professional Software requirements: Language : J2SDK1.4 Database : Oracle10g Operating system : Windows 2000 professional

Processor : Intel P-IV system Processor Speed : 2.0. GHz Hardware Requirements: Processor : Intel P-IV system Processor Speed : 2.0. GHz RAM : 256 MB to 512 MB Hard Disk : 40GB to 80GB Key Board : 104 keys

Software technologies Html Java Oracle Jdbc

Information retrieval Data flow diagrams Context level DFD: Admin Database Information retrieval And Knowledge mgt Super user student

DFD for super user: Appoint admin Add dept Super user Add topics database Delete dept Add qtns

DFD for administrator: Change pwd Add qtns Administrator Modify answr database Check posted questions Logout

DFD for student: Registration Post qtns Student check answer Check for database Check for availability Logout

Uml diagrams Use case diagram:

Sequence diagram for super user:

Sequence diagram for administrator:

Sequence diagram for student:

Class diagram:

Screen shots Login screen:

Screen for registering the administrator:

Screen for displaying list of departments:

Screen for entering the topics:

Screen for entering the questions:

Screen for deleting the questions from list:

Screen for registering the new user:

Screen for displaying the list of questions:

Screen for posting a query:

Screen for responding the posted query:

Software testing Finding an error Successful construction of software

Test case 1 :Validation of super user login

Output screen for valid input:

Output screen for invalid input:

Test case 2 :Validation of admin login

Output screen for valid input:

Output screen for invalid input:

Test case 3 :Validation of student login

Output screen for valid input:

Output screen for invalid input:

Conclusion Convenient and efficient environment Provides security

Thank U …