Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411205 1 IV ester(R07)Regular s, ember/ember INFORMATION RETRIEVAL SYSTEMS - Question Paper

Code :R7411205 1
IV B.Tech I Semester(R07)Regular Examinations, November/December 2010
info RETRIEVAL SYSTEMS
(Information Technology)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
1. (a) Write about functional overview of info retrieval systems?
(b) What is the di®erence ranging from the concept of "digital library" and info retrieval
systems?
2. (a) De¯ne the term \Term Masking".
(b) discuss the ranked and unranked boolean models.
3. (a) discuss the concept of porter stemming?
(b) Apply the porter stemming steps to the subsequent words.
i. Irreplaceable.
ii. Informative.
iii. Activation.
iv. Triplicate.
4. (a) Write about automatic term clustering?
(b) How is a thesaurus generated? discuss.
5. discuss about selective dissemination of info search and weighted searches of boolean
systems.
6. discuss about di®erent measures used in info system evaluation?
7. (a) provide a note on statistical indexing.
(b) discuss hypertext linkages.
8. Compare Software text search algorithms and Hardware text search algorithms.

Earning:   Approval pending.