In summary, there is mounting evidence that the user's attention in web search can be approximated using mouse cursor, scrolling, and other interaction data.
hijikata (2004) proposed a method to extract text passages of Web pages based on the user's mouse activity and found that extracted passages based on mouse ac-tivity such as text tracing, link pointing, link clicking and text selection enable more accurate extraction of key words of interest than using the whole text of the page.