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Unit 6: Information Retrieval Model and Search Strategies

6.8 Review Questions Notes

1. Define:
(i) Precision (ii) Recall (iii) Fall-out
(iv) F-measure (v) Average precision (vi) R-precision
2. Explain search strategies.
3. What is the principle of indexing?
4. What is an abstract?

Answers: Self Assessment

1. (a) Information overload 2. (b) Precision 3. (a) recall
4. (c) fall-out

6.9 Further Readings

Seetharama, S. Information consolidation and Repackaging, New Delhi. ESS ESS 1997.
Saracevic, T and Wood JS: Consolidation of information: A Handbook of evaluation,
Restructuring and Repackaging of Scientific and technical Information, Paris: UNESCO,
1981.
Atherton, P. Handbook of information systems and services. Paris: UNESCO, 1977.

Online links http://www.cecs.csulb.edu/~ebert/teaching/lectures/429/intro/intro.pdf
http://hartness.vsc.edu/newtilt/finding/libraryresources/

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