Saturday, June 21, 2008

Information Retrieval Systems 2

Information retrieval systems and their . . .

Purpose:
Designed to retrieve information (or documents) needed by the user.

Functions:

  1. To identify the information sources relevant to the areas of interest of the target user
  2. To analyze the contents of the sources
  3. To represent the contents of the analyzed sources in a way that will be suitable for matching users’ queries
  4. To analyze the users’ queries and to represent them in a form that will be suitable for matching with the database
  5. To match the search statement with the stored database
  6. To retrieve the information that is relevant
  7. To make necessary adjustments in the system based on feedback from the users

Components:

  1. The document subsystem
  2. The indexing subsystem
  3. The vocabulary subsystem
  4. The searching subsystem
  5. The user-system interface
  6. The matching subsystem (Chowdhury, 2004, pp. 2-3).
Chowdhury, G.G. (2004). Basic concepts of information retrieval systems. In Introduction to Modern Information Retrieval (2nd ed., pp. 1-12). London: Facet Publishing.

No comments: