A search that will find matches even when words are only partially spelled or misspelled. The administrators of directories and search engines must not only maintain their collection of URLs , but should continue to find more Internet documents to expand their collections. The gatherer software of the spider works in tandem with a piece of software called the broker . The gatherer resides at a remote site, retrieving documents to be indexed, while the broker stays on the home machine and builds the index. HTML was invented by Tim Berners-Lee while at CERN .
Web browsers display HTML pages according to their coded format.
The Web's primary protocol. HTTP performs the request and retrieve functions necessary to display documents stored on remote computers. Text linked across a potentially unlimited number of information sources. Index is often used as a synonym for search engine . An inverted index is simply a huge table, where rows represent documents and columns represent words.