In a groundbreaking achievement, an AI "intelligent assistant" robot, developed jointly by Tsinghua University and the Hong Kong University of Science and Technology, recently participated in four 150-minute medical exams. The robot spent an average of 15 minutes and 8 seconds per question and scored as high as 456 points—well above the passing threshold of 96 points. This accomplishment marks a significant milestone in the field of artificial intelligence and medicine.
The AI robot, named “Intelligent Medical Assistant,†took part in the 2017 National Practitioner Qualification Examination, held from August 26 to 27. It was tested in a restricted, offline environment set up by the National Medical Examination Center. After thorough evaluation by experts, it achieved a score of 456, placing it among the top candidates nationwide. This is the first time an AI system has passed such a comprehensive medical exam, proving its capability to understand and apply complex medical knowledge.
Wu He, director of the Tsinghua Unicom joint laboratory, explained that traditional methods of representing medical knowledge in computers are insufficient. To address this, his team developed a novel approach called “semantic tensor,†which allows machines to quantify and understand medical concepts more effectively. By integrating vast amounts of medical literature, clinical guidelines, and case studies, the AI builds a rich knowledge base that mimics human expertise.
To solve medical problems, the research team employed a multi-scale fusion inference algorithm, incorporating techniques like “key point semantic reasoning,†“contextual semantic reasoning,†and “evidence chain semantic reasoning.†These methods enable the AI to analyze questions at multiple levels, from individual words to entire paragraphs, enhancing its ability to reason and make accurate decisions.
When answering questions, the AI first processes the query and options independently, then searches for relevant evidence supporting each option. It evaluates the relevance and reliability of the information before making a final decision. Wu described this process as a form of autonomous thinking, allowing the AI to mimic human problem-solving in real-time.
According to Tao Xiaodong, general manager of China Medical News Medical Technology Co., Ltd., the “Intelligent Medical Assistant†will be rolled out nationwide starting in March 2018. The robot is expected to serve as a virtual assistant in hospitals, helping with clinical decision-making, training, and education. Its potential applications extend beyond the exam room, offering practical support in real-world medical settings.
Hefei, Anhui, is emerging as a key hub for artificial intelligence and technology innovation in China. The city is home to the country’s only National Engineering Laboratory for Brain-like Intelligent Technology and Applications, as well as the National Intelligent Voice High-Tech Industrialization Base. These institutions highlight Hefei’s growing influence in shaping the future of AI and smart technologies.
Source: China News
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