UNIT-I 
Introduction: Definition, Objectives, Functional Overview, Relationship to DBMS, Digital libraries and Data Warehouses. 

UNIT-II 
Information Retrieval System Capabilities: Search, Browse, Miscellaneous 

UNIT-III 
Cataloging and Indexing: Objectives, Indexing Process, Automatic Indexing, Information Extraction. 

UNIT-IV 
Data Structures: Introduction, Stemming Algorithms, Inverted file structures, N-gram data structure, PAT data structure, Signature file structure, Hypertext data structure. 

UNIT-V 
Automatic Indexing: Classes of automatic indexing, Statistical indexing, Natural language, Concept indexing, Hypertext linkages 

UNIT-VI 
Document and Term Clustering: Introduction, Thesaurus generation, Item clustering, Hierarchy of clusters. 

UNIT-VII 
User Search Techniques: Search statements and binding, Similarity measures and ranking, Relevance feedback, Selective dissemination of information search, Weighted searches of Boolean systems, Searching the Internet and hypertext. 
Information Visualization: Introduction, Cognition and perception, Information visualization technologies. 

UNIT-VIII 
Text Search Algorithms: Introduction, Software text search algorithms, Hardware text search systems. 
Information System Evaluation: Introduction, Measures used in system evaluation, Measurement example – TREC results. 

TEXTBOOK : 
1. Kowalski, Gerald, Mark T Maybury: Information Retrieval Systems: Theory and 
 Implementation, Kluwer Academic Press, 1997. 

REFERENCES : 
1. Frakes, W.B., Ricardo Baeza-Yates: Information Retrieval Data Structures and  Algorithms, Prentice Hall, 1992. 
2. Modern Information Retrival By Yates Pearson Education. 
3. Information Storage & Retieval By Robert Korfhage – John Wiley & Sons.