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

What factors may lead to failure of a dot.com organisation, Question: (...

Question: (a) By making use of examples of your choice distinguish between Transaction Processing Systems, Management Information Systems, Decision Support Systems. (b) W

Classification of information systems , Classification of Information Syste...

Classification of Information Systems  Information systems may be classified in different ways for different purposes. One method of classification is by the application area.

Information retrieval, Information Retrieval   In the present day conte...

Information Retrieval   In the present day context, Information Retrieval Systems have become synonymous with computers, although paper-based systems such as card and document

Explain transaction processing system, Question: (a) Illustrate with th...

Question: (a) Illustrate with the help of a diagram the three levels of an organisation and illustrate at which level the transaction processing system would operate. (b) A

Circulation control system, Circulation Control System   The circulatio...

Circulation Control System   The circulation control system is one of the important components of any library system. The primary function of any circulation control system is

Term truncation, Term Truncation   Term truncation is one of the device...

Term Truncation   Term truncation is one of the devices adapted to facilitate retrieval of terms with a common root containing common fragments. Incorporation of truncation dev

Mba, What do you understand by “line balancing”? What happens if balance do...

What do you understand by “line balancing”? What happens if balance doesn’t exist?

Question, b. A paper mill produces two grades of paper viz., X and Y. Becau...

b. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y pape

How the harnessing of information systems impact, Question: (a) How th...

Question: (a) How the harnessing of Information Systems impact on organisations. (b) How can m-Commerce be useful in the provision of Government services to citizens. (c

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