Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 24 Sep 2017 My Price 7.00

inverted files versus signature files

Assume you are given a document database that contains six documents. After stemming, the documents contain the following terms:

Document

Terms

 

car manufacturer Honda auto

 

auto computer navigation

 

Honda navigation

 

manufacturer computer IBM

 

IBM personal computer

 

car Beetle VW

Answer the following questions.

1. Discuss the advantages and disadvantages of inverted files versus signature files.

2. Show the result of creating an inverted file on the documents.

3. Show the result of creating a signature file with a width of 5 bits. Construct your own hashing function that maps terms to bit positions.

4. Evaluate the following queries using the inverted file and the signature file that you created: `car", `IBM" AND `computer", `IBM" AND `car", `IBM" OR `auto", and `IBM" AND `computer" AND `manufacturer".

Answers

Maurice Tutor
(5)
Status NEW Posted 24 Sep 2017 11:09 AM My Price 7.00

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