Specialization is an important way to generate propositional knowledge, by applying general knowledge, such as the theory of gravity, to specific instances, such as "when I release this apple, it will fall to the floor". Specialization is the opposite of generalization.
Concept B is a specialization of concept A if and only if:
For instance, 'Bird' is a specialization of 'Animal' because every bird is an animal, and there are animals which are not birds (dogs, for instance).
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Specialized Search Engines
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FindArticles.com - A searchable online archive of magazine and journal content.
Meta Description: [ Contains articles from the back issues of over 900 magazines, journals, trade publications and newspapers. Search our online article archive or browse by category list or publication name. ]
FindSounds - Search for sample sounds and sound effects at this file search engine. Offers directory, keyword and sonic similarity search functions.
Netcraft Web Site Finder - Searches domain registrations that contain certain words, strings, or characters. Reports a site's operating system, web server, and netblock owner.
SearchIRC - Search Internet Relay Chat rooms and networks like you would search the Web.
Meta Description: [ Search Internet Relay Chat rooms and networks like you would search the web. Search 600,000+ channels in 3000+ IRC networks. ]
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Who Built It - Reverse search - enter a URL to find out what designer, developer or interactive agency created a website.
Meta Description: [ eConstructors connects website buyers
and developers through a customized searchable database of professional
web developers and a reverse directory of websites, also includes
project estimators and RFQ/job posting areas, conferencing and other services to create a marketplace
for the web develop... ]
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