Jawaharlal Nehru Technological University, Hyderabad MCA-V Semester Supplementary Examinations July/August 2010 INFORMATION RETRIEVAL SYSTEMS Question paper

Code No: 56

Time: 3hours Max.Marks:60

Answer any Five questions
All questions carry equal Marks

1.a) Explain the functional overview of information storage and retrieval system?
b) Does a private index file differ from a standard database management system
(DBMS). What problems need to be addressed when using a DBMS as part of an information retrieval system?

2.a) Explain browse capabilities?
b) Are thesauri a subclass of concept classes? Justify.

3.a) Explain indexing process.
b) Does high specificity always imply high exhaustivity? Justify.

4.a) Explain porter stemming algorithm.
b) Discuss hypertext data structure.

5.a) Discuss hypertext linkages.
b) Discuss the problems with weighting schemes.

6.a) Explain term clustering using single link algorithm.
b) Discuss about hierarchy of clusters.

7.a) Explain similarity measures.
b) Discuss information visualization technologies.

8. Write short notes on
a) Hardware text search algorithms
b) Text streaming architecture
c) Recall and Precision