DIGITAL NOTES 
                                       ON 
                        INFORMATION RETRIEVAL          
                                 SYSTEMS  
                                 (R17A1209) 
     
                          B.TECH IV YEAR - I SEM 
                                    (2020-2021) 
     
     
     
     
     
     
     
     
            DEPARTMENT OF INFORMATION TECHNOLOGY 
     
                                
     
     
     
         MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY 
                     (Autonomous Institution – UGC, Govt. of India) 
          (Affiliated to JNTUH, Hyderabad, Approved by AICTE - Accredited by NBA & NAAC – ‘A’ Grade - ISO 9001:2015 Certified) 
             Maisammaguda, Dhulapally (Post Via. Hakimpet), Secunderabad – 500100, Telangana State, INDIA. 
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                                   MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY 
                                              DEPARTMENT OF INFORMATION TECHNOLOGY 
                                                                                              
                        IV Year B.Tech IT –I Sem                                                                               L T /P/D C 
                                                                                                                                  3  -/-/-  3 
                                                (R17A1209)INFORMATION RETRIEVAL SYSTEMS 
                                                                          (Core Elective IV) 
              
                     OBJECTIVES 
                               Study fundamentals of DBMS, Data warehouse and Digital libraries 
                               Learn various preprocessing techniques and indexing approaches in text mining 
                               Know various clustering approaches and study different similarity measures 
                               Study various search techniques in information retrieval systems 
                               Know different cognitive approaches used in text retrieval systems and evaluation approaches 
                               Study retrieval in multimedia systems and know various evaluation measures 
                               Know about query languages and online IRsystem 
                          UNIT-I 
                     Introduction: Definition, Objectives, Functional Overview, Relationship to DBMS, Digital 
                     libraries and Data Warehouses. 
                     Information Retrieval System Capabilities: Search, Browse, Miscellaneous 
              
                          UNIT-II 
                     Cataloging and Indexing: Objectives, Indexing Process, Automatic Indexing, Information 
                     Extraction. Data Structures: Introduction, Stemming Algorithms, Inverted file structures, 
                     N-gram data structure, PAT data structure, Signature file structure, Hypertext data structure. 
              
                          UNIT-III 
                     Automatic Indexing: Classes of automatic indexing, Statistical indexing, Natural 
                     language, Concept indexing, Hypertext linkages 
                     Document and Term Clustering: Introduction, Thesaurus generation, Item clustering, 
                     Hierarchy of clusters. 
              
                          UNIT-IV 
                     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-V 
                     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.  Information Storage and Retrieval Systems: Theory and Implementation by Gerald J. 
                          Kowalski, Mark T. Maybury , Second Edition, Kluwer Academic Publishers. 
              
              
              
              
              
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         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. 
      
         OUTCOMES: 
       Upon completion of the course, the students are expected to: 
       1. Recognize the Boolean Model, Vector Space Model, and Probabilistic Model. 
        2. Understand retrieval utilities. 
       3. Understand different formatting tags 
       4. Understand cross-language information retrieval 
       5. Understand the clustering techniques 
       6. Determine the efficiency. 
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
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                        MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY 
                                  DEPARTMENT OF INFORMATION TECHNOLOGY 
                                                                       
                                                                 INDEX 
           
           
           
           
                 S. No.                                                   Topic                                Page 
                                 Unit                                                                           no. 
                   1               I            Introduction                                                   5 - 12 
                   2               I            Information Retrieval System Capabilities                      12 -24 
                   3               II           Cataloging and Indexing                                        24-29 
                   4               II           Data Structures                                                30-41 
                   5               III          Automatic Indexing                                             42-45 
                   6               III          Document and Term Clustering                                   46-50 
                   7              IV            Text Search Algorithms                                         51-58 
                   8              IV            Information System Evaluation                                  58-66 
                   9               V            Text Search Algorithms                                         67-79 
                   10              V            Information System Evaluation                                  79-84 
           
           
           
           
           
           
           
           MRCET-IT                                                                                                     Page 4