Information retrieval systems and their . . .
Designed to retrieve information (or documents) needed by the user.
Functions:
- To identify the information sources relevant to the areas of interest of the target user
- To analyze the contents of the sources
- To represent the contents of the analyzed sources in a way that will be suitable for matching users’ queries
- To analyze the users’ queries and to represent them in a form that will be suitable for matching with the database
- To match the search statement with the stored database
- To retrieve the information that is relevant
- To make necessary adjustments in the system based on feedback from the users
Components:
- The document subsystem
- The indexing subsystem
- The vocabulary subsystem
- The searching subsystem
- The user-system interface
- The matching subsystem (Chowdhury, 2004, pp. 2-3).
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