Abstract: Role-based collaboration (RBC) is a role-centered computational paradigm for solving collaborative problems, where group multirole assignment (GMRA) is an important component. This article ...

Abstract: The performance of grid partitioning methods has a significant impact on the results of distributed state estimation (DSE). Most existing grid partitioning methods struggle to balance node ...

A followup on our November 2025 letter about weeding orphan tree wells: Our weeding foray to Belmont Street in October 2025 included an empty treewell thatched with weeds. We were gratified to see ...

A nine-year-old boy who was hit by a large falling tree at a school playground in Melrose, Massachusetts has died. His family said he "spent his last moments laughing and playing tag." The child, ...