Associate Professor Tadashi Ogoshi (Faculty of Environment and Information Studies), a senior member of Keio University SFC Research Institute, and Yahoo! JAPAN Research Institute, which is in charge of research and development of advanced big data and AI technology at Yahoo Japan Corporation, collaborate to search keywords for users. The "National Mood Index", which estimates the ups and downs of the "feeling of the world" (mood), has been released based on the information in.
The research team will use machine learning to search based on search data, sensor data, and survey questionnaire data obtained with consent from monitors with cooperation in the demonstration experiment conducted by the Yahoo! JAPAN Research Institute in 2019. Created an AI (artificial intelligence) "search mood model" that estimates the mood from keywords.Analysis using this model shows that there is a relationship between a specific search keyword and the user's mood, "the mood is high on Saturdays and Sundays, and the mood is low on Mondays (after holidays)." "New Corona The mood will be lowered when the declaration of emergency is issued by the new corona. " It is presumed that) ”and so on.
Until now, the "National Mood Index" was not open to the public, but in order to let more users know about the enjoyment and future potential of technology using AI (artificial intelligence) and data, June 2022. From the 6th, the weekly trends will be published on the "National Mood Index" page.
Associate Professor Ogoshi of Keio University SFC Research Institute said, "Toward the realization of Society 5.0, where IT / AI technology develops and blends in with our lives to support human society, we are in the physical and mental state of people. In order to realize and provide flexible information systems and services that are close to each other, it is necessary to better understand people and society. The "National Mood Index" as a form of social implementation based on our research results is "Human Heart". I hope it will help to realize an online society in the future. "
