Components of information retrieval system, Management Information Sys

Assignment Help:

Components of an IRS 

Lancaster [1979] considers that an Information Retrieval System (IRS) comprises the following components: 

i)  the document selection sub-system 

ii)  the indexing sub-system 

iii)  the vocabulary sub-system 

iv)  the searching sub-system 

v)  the sub-system of interaction between the user and the system (i.e., user interface) 

vi)  the matching sub-system, that is, the system that matches the document representations against the user requirements. 

All the above mentioned sub-systems are utilised in the performance of the following activities: 

  1. information resource building, 
  2. database creation and maintenance, and 
  3. Information retrieval and dissemination.  

Related Discussions:- Components of information retrieval system

Printed indexes, Printed indexes   One of the first applications of the...

Printed indexes   One of the first applications of the computer to information retrieval was in the production of printed indexes. Computers were used, both for the preparation

Basic functions of library management system, BASIC FUNCTIONS OF LIBRARY MA...

BASIC FUNCTIONS OF LIBRARY MANAGEMENT SYSTEMS (LMS)   The basic functions of any LMS are: ordering and acquisitions, cataloguing, circulation control, serials control, manageme

Decision making, identify stages and level of decision making

identify stages and level of decision making

What are the characteristics of a good tool, Question: We use computers...

Question: We use computers to help us in performing tasks that we want to do. These tasks add the business processes that are part of our work, communicating with friends and c

Management information system and a decision support system, Problem: (...

Problem: (a) IT will be used to maintain a competitive edge in the market place. Give the five main factors which enable this to happen. You will take an example of your own t

Banks, 1. Why do the banks borrow funds, besides accepting deposits? Discus...

1. Why do the banks borrow funds, besides accepting deposits? Discuss in detail the various sources from where banks can borrow funds within India.

Current awareness services, Current Awareness Services   Current Awaren...

Current Awareness Services   Current Awareness Services are those services whose primary objective is to keep information users abreast of developments and advances taking plac

ERP, how ERP evovled in a ststem

how ERP evovled in a ststem

Information system, how information system changing the management process?...

how information system changing the management process?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd