A simple schema for linked data design for the PropBank role sets (verbal frames), roles and role types. 2.1, updated on May 15th 2023 by reengineering PropBank release 3.4.0. 2.0, updated on April 15th 2022 by reengineering the latest PropBank release. 1.1 was created by Aldo Gangemi on February 16th, 2017