I. Introduction:
1, concepts:
What is the intention of the user identification?
When search engines is able to identify the most relevant to the user query entered information such as the user enters the query "Paladin", we know that "Paladin" TV series have both games as well as news, pictures and more If we found that the user intends to identify the user wanted to see "Paladin" TV series, then we as a direct result of the drama returned to the user, the user will save a search clicks, and shorten the search time, greatly enhance the user experience .
General search and vertical search:
Universal Search is to fetch page on the Internet, in the form of an index and keyword matching, to show up the title page, summary, URL and other information [ 1。
The vertical search for a particular field, only the search result is defined in the art, such as product search, search, recruitment, an example shown in Figure 1: