Search engine indexing collects, parses, and stores data to facilitate fast and accurate information retrieval. Index design incorporates interdisciplinary concepts from linguistics, cognitive psychology, mathematics, informatics, physics and computer science. An alternate name for the process in the context of search engines designed to find web pages on the Internet is Web indexing.

Popular engines focus on the full-text indexing of online, natural language documents. Media types such as video and audio and graphics are also searchable.

Meta search engines reuse the indices of other services and do not store a local index, whereas cache-based search engines permanently store the index along with the corpus. Unlike full-text indices, partial-text services restrict the depth indexed to reduce index size. Larger services typically perform indexing at a predetermined time interval due to the required time and processing costs, while agent-based search engines index in real time.

Indexing

The purpose of storing an index is to optimize speed and performance in finding relevant documents for a search query. Without an index, the search engine would scan every document in the corpus, which would require considerable time and computing power. For example, while an index of 10,000 documents can be queried within milliseconds, a sequential scan of every word in 10,000 large documents could take hours. The additional computer storage required to store the index, as well as the considerable increase in the time required for an update to take place, are traded off for the time saved during information retrieval.

From Wikipedia under the GNU Free Documentation License
Sat Sep 4 12:53:35 2010

Site is not indexing by Search Engine ?
Q. Hi Guys, My site is working fine and index the pages also. but the problem is that, when i check on google for index. it shows with this query : site:seoandweb.com but i think it should appear with this query site:www.seoandweb.com. but google did't answers this query. can any one tell me what happend. Thanks
Asked by blogse - Wed May 28 07:39:47 2008 - - 3 Answers - 0 Comments

A. Hey seoandweb.com You've type your query wrongly, just type your webstie url like this www.seoandweb.com on google, your pages will come up for all to see, don't put site: before it, I tried it and your pages showed up
Answered by ANiche - Wed May 28 10:12:14 2008

Why Google and Yahoo search engines indexing a white person s report faster than black person's report.
Q. I know if the story is involving a white person it will get more press coverage but my question is why Google and Yahoo favor a story which is written by a white reporter. I have been following several stories for long time. Most of the time the news never end to the Google's or Yahoo's news alert and index until the story is picked by a white reporter. It is true every where. I thought Google and Yahoo search engines are color blind? May be the stereo type racist engineers (the boss and management) (I know most of them will be Indians and will not do that) the management behind the seen are turning this search engines to a racist evil machine?
Asked by gorebet - Sat Dec 29 02:16:14 2007 - - 2 Answers - 0 Comments

A. I think you are reading WAAAY to much into things. Maybe the press that is written by the White reporter is coming from a more main stream source.
Answered by ~~*Paradise Dreams*~~ - Sat Dec 29 02:19:47 2007

how to get a search engine to NOT index a page?
Q. thats correct, what meta code do i use if i DO NOT want the page indexed? Thanks!
Asked by Jared T - Thu Feb 28 21:20:24 2008 - - 2 Answers - 0 Comments

A. As the other 2 answers said, but do both. I've listed below the meta tag and robots.txt code you need to use to block a web page and prevent indexing. Meta Tag (Insert between ) If you don't already have one, create a new file in notepad and save it as robots.txt, insert the below code into the file then upload to your top directory where all your web files start. User-agent: * Disallow: When you insert the path to the web page you only want the URL structure after the domain name, below is an example. To block: You use: /red.html To block: You use: /red/small.html
Answered by Stephen - Thu Feb 28 22:54:53 2008

From Yahoo Answer Search: "Search engine indexing"
Thu Sep 2 13:03:26 2010

See also:

  • focuseek searchboxfocuseek searchbox
    focuseek.com
    High performance, multi platform full-text search engine, spiders web or intranet sites, or indexes data you feed to it. Easily scriptable via a SOAP/REST API. Also supports a variety of input formats.
  • WebinatorWebinator
    thunderstone.com
    Web walking and indexing package to create a retrieval interface to collections of HTML documents. Free for up to 2,000 pages.
  • InnerpriseInnerprise
    innerprise.net
    Scalable search engine software for corporate web sites and intranets.
Custom search only Search engine indexing sites:

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synonym line option Correspondingly to edit some word in the synonyms dictionary press the button and select the Modify synonym line option The following window will emerge The word which you want to add synonyms to should be entered into the field On the right the list of words to choose the synonyms from is available You should select the word that

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