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In text retrieval, full-text search refers to techniques for searching a single computer-stored document or a collection in a full-text database.Full-text search is distinguished from searches based on metadata or on parts of the original texts represented in databases (such as titles, abstracts, selected sections, or bibliographical references).
Like a word or phrase search stemming and fuzzy searches can apply. A word input can be put in double "quotes" to turn off stemming. A phrase input can use greyspace to turn on stemming. A single word input can suffix the tilde ~ character for a fuzzy search. A single word input can suffix the star * character for a wildcard search.
To get to the search page, perform an empty search (press ↵ Enter while in the search box before typing anything else in), or click on the Search button. The link Special:Search , which can be inserted onto user pages or project pages, for example, also leads to the search page.
Wikipedia search can now be accessed by entering your shortcut in the address bar followed by space then your search word(s). Using the example above, typing wiki followed by space followed by main page and then the enter / return key will cause Edge to perform a search for Main Page on wikipedia.org and take you to that page.
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web. AOL.
In some designs the index includes additional information such as the frequency of each word in each document or the positions of a word in each document. [15] Position information enables the search algorithm to identify word proximity to support searching for phrases; frequency can be used to help in ranking the relevance of documents to the ...
The basic linguistic assumption of proximity searching is that the proximity of the words in a document implies a relationship between the words. Given that authors of documents try to formulate sentences which contain a single idea, or cluster of related ideas within neighboring sentences or organized into paragraphs, there is an inherent, relatively high, probability within the document ...
They are used as keywords to retrieve documents in an information system, for instance, a catalog or a search engine. A popular form of keywords on the web are tags, which are directly visible and can be assigned by non-experts. Index terms can consist of a word, phrase, or alphanumerical term.
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