Practical 4 and 5
This practical requires me to compare the different types of search facilities such as search engine, Meta search engine and subject directory.Search engine: Google
The strength of Google is that relevant results are shown on the first pages of the results page. The weakness is that it produces a large number of results. The number of results shown is the most among the three search facilities.
Meta search engine: MetaCrawler
The strength of MetaCrawler is that it searches all the search engines to produce the results and the number of results is not very large. The weakness is that not all the relevant results are shown on the first page.
Subject directory: Yahoo! Directory
The strength of Yahoo! Directory is that the information is grouped into categories for easy searching. The weakness is that the results produced are generic links to websites. Users have to go to these websites and find the information themselves.
Before this practical, I only know the existence of search engines such as Yahoo! and Google. This practical helps me to be more familiarize with the different types of search facilities available. After comparing the different types of search facilities, I still believed that Google is the best although the number of results produced is very large. I prefer Google is mainly due to the user-friendly interface and the large number of relevant results produced.
posted by Jing Yi @ 7:10 AM
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