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RSSS Lab (Murata Lab)
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A lab that studies social simulation, recreating real society inside a computer.
AboutAbout the lab
From a "future by chance" to a "future we dream of."
The RSSS Lab (Murata Lab) researches real-scale social simulation technology, which runs a virtual real society including humans on a computer.
Using a digital twin of real society built in cyberspace, the lab simulates how individuals make decisions, such as in their movement and purchasing behavior.
The synthetic population data used in the simulations are created from statistics.
In addition to social simulation, the lab is also researching data generation in the field of drug discovery.
Key terms
- Real-scale social simulation
- A technology that simulates a virtual real society including human elements at the same scale as reality
- Digital twin
- A reproduction of real society in cyberspace, in which people's decision-making is simulated
- Synthetic population data
- Virtual population data created from statistics, to which attributes such as place of residence and workplace are assigned
NewsLab news
View More ↗ResearchResearch themes
The lab develops the elemental technologies needed to safely realize simulations at the scale of the real world. It builds a virtual real society including humans in cyberspace and simulates people's movement and decision-making processes.
*Illustrative imageAssigning workplaces to employed people nationwide
Using national census data on employed persons' place of residence, place of work, and industry classification together, the lab proposes a framework for assigning workplaces to employed people across Japan. It has shown that daytime population simulation at the national scale becomes possible.
*Illustrative imageCompiling statistics on commuting and school-commuting transport modes
The actual situation of which transport modes people choose for commuting to work and school is basic information for simulating people's movement. The research-related topic published in February 2024 compiles official statistics related to the choice of transport mode.
MembersFaculty
The members of the RSSS Lab consist of faculty, visiting researchers, master's and undergraduate students, and a lab secretary.As of 2026
- ProfessorTadahiko Murata
- Associate ProfessorLi Li
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Rush hour Tokyo” Chris 73 / CC BY-SA 3.0 (cropped)
- Assigning workplaces to employed people nationwide: “Census 1851, Throckley” UK National Archives. Newcastle City Library Archives. / Public domain (cropped)
- Compiling statistics on commuting and school-commuting transport modes: “SP commuter train at 22nd Street station (1), April 1985” Roger Puta / Public domain (cropped)
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