Unit 1

Boolean Retrieval – The term vocabulary and postings lists – Dictionaries and tolerant retrieval – Index Construction. Index Compression – Scoring, term weighting and the vector space model – Computing Scores in a complete search system – Evaluation in information retrieval.

Unit 2

Relevance feedback and query expansion – XML retrieval – Probabilistic Information retrieval, Text classification and Naive Bayes – Vector space classification – Flat Clustering – Matrix decompositions and latent semantic indexing.

Unit 3

• Rijsbergen C J, “Information Retrieval”, Second Edition, Butterworths, 1979.
• Grossman D A and Frieder O, “Information Retrieval: Algorithms and Heuristics”, Second Edition, Springer, 2004.
• Kowalski G and Maybury M T, “Information Storage and Retrieval Systems”, Second Edition, Springer, 2000.