Membership involvement ratio (IMAGE) Shinshu University Caption By average number of discussions per day (log scale). Point size represents the number of Members in a project Credit Hideaki Hata, Shinshu University Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.