Information Retrieval System Explained: Types, Comparison & Components

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Table of Contents

• 
  Types of Information Retrieval Model
  
• 
  Components of Information Retrieval Model
  
• 
  Difference Between Information Retrieval and Data Retrieval
  
• 
  Conclusion
  
  • 
    What are the applications of the Information Retrieval System?
    
  • 
    What is the difference between information retrieval and data retrieval?
    
  • 
    Define user interaction with the IR system?
    

Types of Information Retrieval Model
An information retrieval comprises of the following four key elements:

1. 
   D − Document Representation.
   
2. 
   Q − Query Representation.
   
3. 
   F − A framework to match and establish a relationship between D and Q.
   
4. 
   R (q, di) − A ranking function that determines the similarity between the query and the document to display relevant information.
   

There are three types of Information Retrieval (IR) models: