Описание тега stop-words

In computing, stop words are words which are filtered out prior to, or after, processing of natural language data (text) (see nlp). There is not one definite list of stop words which all tools use, if even used. Some tools specifically avoid removing them to support phrase search.

Any group of words can be chosen as the stop words for a given purpose. For some search machines, these are some of the most common, short function words, such as the, is, at, which, and on. In this case, stop words can cause problems when searching for phrases that include them, particularly in names such as "The Who", "The The", or "Take That". Other search engines remove some of the most common words—including lexical words, such as "want" — from query in order to improve performance.

See also: Stop words - Wikipedia