这些年，随着科学技术和互联网产业的快速发展，人们所面临的信息开始迅速增

In recent years, with the rapid development of science and technology and the Internet industry, the information that people face begins to grow rapidly. This has changed our way of life and pushed our life into the "big data era". At this time, each of us has appropriate information to receive, but also because it is too convenient to receive information, how much information is relative. How to obtain useful information from a large amount of information is a major problem. For users, if they have clear needs, they can get the relevant information they need through search engines. But in many cases, users are not very clear about their own needs, which leads to search engines not being able to help users very well.

In recent years, with the rapid development of science and technology and Internet industry, the information faced by people began to grow rapidly. This has changed our way of life and pushed our life into the "big data era". At this time, each of us has appropriate information to receive, but also because it is too convenient to receive information, how much information is relative. How to obtain useful information from a large amount of information is a major problem. For users, if they have clear needs, they can get the relevant information they need through the search engine. But many times, users are not very clear about their own needs, which leads to the search engine can not help users very well.

In recent years, with the rapid development of science and technology and Internet industry, the information people are faced with has started to grow rapidly. This has changed our lifestyle and pushed our life into the "big data era". At this point, each of us has appropriate information to receive, but also because it is too convenient to receive information, how much information is relative. How to get useful information from a large amount of information is a major problem. For users, if they have clear needs, they can get the relevant information they need through search engines. But many times, users are not very clear about their own needs, which leads to the fact that search engines can't help users well.