Importance Of Information Retrieval
Information Retrieval: Search Process, Techniques and strategies
Kiran Prakash Bachchhav
Librarian,
Sarvajanik Shikshan Sanstha’s
Adv.V.B.Deshpande College of Commerce
Mulund (West), Mumbai- 400080
Mail id: kiranbachchhav84@gmail.com
Abstract
Information has become the most significant source of our day-to-day life. Information available on internet may create some confusion among its users because of its diversity. In order to get proper and exact information from internet, users need to know the effective techniques and strategies. This paper focuses on the different information retrieval processes and techniques which help users to get the required information and also to save their valuable time.
Keywords: Information retrieval, Search
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Information reduces uncertainty and it is communicable. Information leads to confirmation but when information is processed and internalized it becomes knowledge. Today, plenty of information available in print and non-print format which leads to information overload. Internet is one of the vital sources of information. Sometimes it becomes impossible for the users to understand the available information or they do not understand where to find it or they are unable to access the right information. These factors leads to their stress, delay in decision making, waste of time etc.
Being Library professionals, it is our responsibility to provide the exact information to our users as early as possible. Following are the basic search processes and techniques which are used for information retrieval process. Let’s have a look at it.
Information
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Components of Information Storage and Retrieval/Information Retrieval System (ISAR/IRS):
According to Lancaster the major components of an information retrieval system are….
Document selection sub-system.
Indexing sub-system.
Vocabulary sub-system.
Searching sub-system.
Matching sub-system.
Outline of Information Storage and Retrieval/Information Retrieval System (ISAR/IRS):
Kinds of information retrieval system:
Offline Search: In offline search, users can get the required information with or without the help of computer and internet for example: libraries, CD-ROM etc.
Online Search: means the search of a remotely located database through interactive communications with the help of computer and communication channel. Online databases can be access through vendor or directly. For example: OPAC, Databases, Internet etc.
Requirements for online search system:
Workstation or computer.
Internet connection (dial up or broadband).
Internet service provider such as VSNL.
Search software.
Storage of information (in-house collection or databases).
Features of online search system:
Coverage and sources of information.
Indexing mechanism.
Vocabulary control.
Searching facilities.
Ranking
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