Chengdu robot to challenge the college entrance examination mathematics: off network target 110 points

(Original title: Chengdu Robot Challenges Mathematics Entrance Examination: Net Offensive Target 110 points)

The world-famous Go world champion Ke Jie and Google AlphaGo battled each other and ended in AlphaGo3:0 victory. What will the robot do for college entrance examination? On the 7th of this month, the national college entrance examination will be held in 2017. At 5pm on the same day, a special exam will be held in Chengdu: "The galactic mathematics college entrance examination robot" AI-MATHS will challenge the notary institutions and the media to challenge 2017. College mathematics questions. This will be the first time that a robot will take a college entrance exam. How many points can it score? Is it better than Xueba?

Examination Room: Off-line Answering Notary Organization and Media "Proctor's Note"

The reporter learned from the research and development unit that, unlike most people, the impression of the robot is different. The AI-MATHS that is about to be referenced is not the human body but the more than 10 servers whose "brain" is the artificial intelligence carried on the server. system. The “examination room” is located in a conference room in Chengdu Tianfu Xingu Building 10. It is these servers that actually answer the questions. Like candidates who are cut off from the outside world, these servers are also cut off from the network. Notary agencies and the media serve as "proctors." This special “college entrance examination” only sets mathematics subjects, and will be conducted after 5 pm on the 7th, that is, after the college entrance examination mathematics is over, without affecting the normal college entrance examination.

Which set of test papers will AI-MATHS specifically challenge? Lin Hui, CEO of Chengdu Zhuo Xingyun Science and Technology Co., Ltd. and director of the Big Data Center of the Suzhou Research Institute of Tsinghua University, said that after the mathematics of the college entrance examination is over, the company will immediately obtain papers from relevant departments, networks, and other channels. “We are currently planning to compete for national rolls and Beijing rolls. Waiting for several sets, but which ones can I get in the end, it's not certain which time will be taken. If I get multiple sets of papers, the AI-MATHS will answer multiple sets of papers within two hours.”

At that time, if the question is answered by the AI-MATHS, it will answer at a speed of about 20 minutes. If there are questions that it does not, it will skip these questions first and answer all the answers. Go back and try to break through the remaining puzzles until the answer is solved or the test time is over.

Prediction: Target scored 110 points this year

What is the "Chengdu-made" college entrance examination robot? Why do you want to "examine"? Lin Hui introduced that the AI-MATHS was born in 2014. It is an artificial intelligence system based on automatic problem solving technology based on cutting-edge technologies such as big data, artificial intelligence and natural language recognition at Tsinghua University. This challenge is a phased test of R&D effectiveness. The challenge results will be applied to the company's technical verification of AI-MATHS.

Prior to this, AI-MATHS also had a lot of "brushing questions" just like ordinary college entrance examination candidates. Currently, it has trained 500 sets and about 12,000 questions. As to what kind of “high college entrance examination” results the AI-MATHS can achieve on the 7th, Lin Hui did not predict the score when interviewed by reporters yesterday.

However, in May of last year, when the college entrance examination robot was announced to participate in the exam, the team set a target of 110 points. At that time, it had scored 115 points in the mock exam. However, in a simulation test in February this year, the AI-MATHS scored 93 points. Why does the AI-MATHS increase in practice and its performance drops? Lin Hui said that the R&D team found that the problem occurred in the AI-MATHS's understanding of the meaning of the question. “There are new words that AI-MATHS has never learned, such as: investment, financial management, and the exercises it has done before. These words have not appeared. It does not understand the meaning of these words and it is there."

Analysis: The biggest difficulty is accurately understanding the meaning of the dry word meaning

As artificial intelligence, where is the main difference between AI-MATHS and AlphaGo?

Lin Hui said that Alpha Dog specializes in Go and AI-MATHS specializes in mathematics. It is relatively easy to develop go-go robots and describe the rules of the game in computer language. It is difficult to let the system calculate the different situations of dozens of steps or even hundreds of steps after each time in a very short time. The biggest difficulty in researching and developing college entrance examination robots is that, first of all, let the system understand human languages ​​accurately, and there are not many steps to do afterwards. The language of mankind is ever-changing and it is still innovating. It is almost endless. When encountering new words that haven't been learned, humans will use the context to guess the meaning of words. Guessing is easier; robots will get stuck. For example, the tangent abbreviation is used in textbooks and test questions in recent years as "tan", but "tg" was used in earlier years. The team was training AI-MATHS with the questions "tan". It suddenly made it a "tg" question and it was paralyzed.

In this regard, the R&D team not only allowed the AI-MATHS to practice more questions and allowed it to understand the meaning of more vocabulary, but also made some modifications to the system's answer program settings so that it could not provide a complete answer. Give some answers and try for "step points."

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