Yahoo started using of some standards of web semantics. Such technology is very perspective and meant for work with huge information content. Company declared that it starts to use some basis of semantic search for the purpose of improvement of search engine’s work quality.

As is well known the most of search engines use technology of relevant queries, they compare words of query with content of web sites. Semantic search technology gives an opportunity to “conceive” content and to get results according not to keywords frequency, but according to text’s sense.