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dear sir /mam,

  i want to know that ,what is federated searching and how it is differ from common searching.

 

plz reply....

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Let’s say, if you have four different databases on engineering subject in your library and your are finding information for ‘Rotar Dynamics’ (just for example!) you do not need to go to all the four databases one by one to search, but you can search across all the databases through a single  search point with help of “Federated Search” tools.

Federated search tools helps to connect all the e-resources what you have subscribed in your library for a single point of search.  Results will be arranged according to the relevancy ranking of the databases. (I just explained you in simple terms!)

But now, we have even advanced techniques & products like SUMMON for Information Retrieval than Federated Search tools.

Because mainly federated search tools takes more than .30 seconds for results, most of the time all the connectors won’t connect and Relevancy not precise.

Amuthan D.

 

Federated search is an information retrieval technology that allows the simultaneous search of multiple searchable resources. A user makes a single query request which is distributed to the search engines participating in the federation. The federated search then aggregates the results that are received from the search engines for presentation to the user.

Federated search came about to meet the need of searching multiple disparate content sources with one query. This allows a user to search multiple database at once in real time, arrange the results from the various databases into a useful form and then present the results to the user. You can better understand by the image given below:

federated search engine

 

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