Thank you for calling. I've been looking forward to this call for a long time.Now, let me introduce myself. My name is Chen fei. I am 27 years old.I really want to improve my academic degree. Now I am very glad to have the opportunity to further my study in your laboratory after the introduction of Mr. Liu.I had several project experience when I was in school, and now I have one year's work experience.I am calm and rational in thinking.I hope professor cui can give me a chance to learn.

My research plan is the application and optimization of big data and artificial intelligence technology in recommendation system.

A recommendation system is an information-filtering system that finds the connections that eventually create between the user and the item.Everything in the world is connected. The social connection between people promotes the birth of social products. The consumption connection between people and goods creates countless e-commerce products.

The recommendation system needs ex