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  1. #1
    Registered User
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    Apr 2016
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    Jaipur
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    Which algorithm is used for Keyword search?

    Hello friends,

    I Would Like to know that Which algorithm is used for Keyword search?

  2. #2
    Registered User friendhrm's Avatar
    Join Date
    Feb 2017
    Posts
    79
    The basic plan is victimisation AN inverted index. this implies for every word keeping an inventory of documents on the net that contain it.

    Responding to question|a question |a question} corresponds to retreival of the matching documents (This is essentially done by decussate the lists for the corresponding query words), process the documents (extracting quality signals such as the doc, question pair), ranking the documents (using document quality signals like Page Rank and question signals and query/doc signals) then returning the highest ten documents.

    Here square measure some tricks for doing the retrieval half efficiently:
    - distribute the full issue over thousands and thousands of machines
    - hump in memory
    - caching
    - wanting 1st at the question word with the shortest document list
    - keeping the documents within the list in reverse pagerank order so we are able to stop early once we discover enough smart quality matches
    - keep lists for pairs of words that occur oftentimes along
    - sherd by document id, this manner the load is somewhat equally distributed and therefore the intersection is finished in parallel
    - compress messages that square measure sent across the network
    etc

    Jeff Dean during this nice speak explains quite few bits of the inner Google infrastructure. He mentions some of the previous ideas within the speak.

    He goes through the evolution of the Google Search Serving style and thru MapReduce whereas giving general recommendation concerning building giant scale systems.

  3. #3
    Senior Member
    Join Date
    Apr 2013
    Location
    Bangalore
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    757
    Google decides which query goes where through the algorithm. An algorithm is a generic term which means a process or rule-set that's followed in order to solve a problem.

  4. #4
    Registered User
    Join Date
    Jun 2016
    Location
    Mumbai
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    497
    A search engine algorithm uses keywords as the input problem, and returns relevant search results as the solution, matching these keywords to the results.

  5. #5
    Senior Member
    Join Date
    Dec 2014
    Location
    Florida
    Posts
    123
    Anyone who has used a computer knows how to use keyword search. No need to algorithms for ranked results; Keyword search for data integration.

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