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Systems Analysis and Design (Shell...

11th Edition
Scott Tilley + 1 other
ISBN: 9781305494602

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BuyFindarrow_forward

Systems Analysis and Design (Shell...

11th Edition
Scott Tilley + 1 other
ISBN: 9781305494602
Textbook Problem

How do search engines differ from subject directories? Is one approach better than the other? Why or why not?

Program Plan Intro

Difference between Search engine and Subject directories.

Program Explanation

Both the search engines and subject directories are used to gather information but their ways of gathering and organizing information are different. Search engines use computer programs known as crawler or spider that moves from site to site, indexing the pages contents, on the basis of keywords.

Subject directories use top down approach on the basis of subjects and topics. Many of the Subject directories use human expertise for the subject organization formulation...

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