The JRI aims to promote a comprehensive scientific meeting in the Robotics area, bringing together researchers, undergraduate and graduate students of Computer Science, Electrical Engineering, Mechatronics Engineering and related areas. This meeting emcompasses the LARS/EnRI and the LARC/CBR (Latin American and Brazilian Robotics Competition)The event will be hosted by FEI in São Bernardo do Campo, São Paulo, and it will be co-allocated with the Brazilian Symposium on Neural Network (SBRN) and Brazilian Symposium on Artificial intelligence (SBIA). We are looking forward to seeing you at FEI in the celebration of 4th JRI in 2010!