A search engine is a computer program that uses software called robots or spiders to gather information (documents, files, or data) from a database or computer network. Search engines can gather information in different ways and can serve different purposes. It is important to know the kind of information you are looking for and which search engine will help you find the information most efficiently.
Most used search engine on the World Wide Web.
Web search engine
A question answering search engine.
Scholarly resources - peer reviewed journals and books
A knowledge engine that answers factual queries by computing the answer.
A search engine for children ages 4 - 12.
A search engine that gathers results from Google and Yahoo!.
A directory is a searchable index that uses people instead of web robots to compile collections of information.
|Internet Public Library|
A directory run by librarians.
|World Wide Web Virtual Library|
The first index of content on the World Wide Web. It still runs today as a directory of e-texts and information.