The benefits of using multiple search facilities is that we can get a variety of results of topics wanted for a research. Such as the research topic I'm working on. In order to find the desired results, i used a few facilities in order to find the resources i need.
In practical 4&5, we learnt about meta-search and subject directories. I find these both facilities alien, although i have heard of them and hardly use them. But utilizing them actually helps users to define a clearer search result as it has a different search system from normal search engines.
Meta-search utilizes the databases of search engines and complies them together. This reduces the user's time to search individual search engines for a particular topic.
Subject directories also known as subject catalogues, as they are human-compiled database and topical lists are arranged and searched in a hierarchical manner. This allows keyword searches to be more effective. And it usually contains links to subject related sites/reference works/specialized database.
Site feeding is a specialized operation of sites where it allows other users reading your site to keep track of updates of your site. I feel that it is a good way as people do not have to always go to your site for updates. The they can also follow the site by applications which updates the other users who subscribe to your site. And the application informs them when the site is being updated.
On a wiki site sharing information is very interesting. It is a place where we can share information and learn from each other by sharing and editing to correct people's mistakes which are uploaded. This is a good way to share information over the net and it also promotes learning.
But i realize that sometimes when a person is too over possessive over the information posted, he/she would not be open to other's input of data or correction of the data. If that is the case, he/she may as well not start a wiki page and start their own non-wiki site.
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