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

Kwic (key word in context) index - computer generated index, KWIC (Key Word...

KWIC (Key Word in Context) Index   A KWIC index is the most common type of natural language indexes. It has become popular because it is straight-forward and relatively easier

Maintenance of MIS, maintenance of MIS - step by step maintenance of MIS

maintenance of MIS - step by step maintenance of MIS

Inernet, Explain the differences between internet, intranet and extranet.

Explain the differences between internet, intranet and extranet.

What are group dss, Management Information System 1. Define MIS and its...

Management Information System 1. Define MIS and its objectives. What are the characteristics of MIS? 2. Explain data processing. 3. What are the recent developments in da

Information materials, INFORMATION MATERIALS: Let us study in brief ho...

INFORMATION MATERIALS: Let us study in brief how information materials  are produced, the agencies that produce them and the information channels through which information abo

.information management, critically discuss how the components and activiti...

critically discuss how the components and activities of an information system function as an intergrated system. include in your discusion the consequence of not having any one com

Harmonic motions, (a) A body is subjected to the two Harmonic motions as ...

(a) A body is subjected to the two Harmonic motions as x 1 = 15 sin(cot + π/6), x 2 = 8 cos(cot + π/3) What extra motion could be given to the body to bring it to the stati

Expert systems, Describe properties of expert system

Describe properties of expert system

CarolJ, What does "representative technology based product" mean?

What does "representative technology based product" mean?

Define moore''s law and describe why it is significant, QUESTION (a) Us...

QUESTION (a) Using integrated software to manage all functional areas of a business seems obvious today, however it was not technically feasible until the 1990s. Describe three

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