ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,470, issued on June 23, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Enabling classical planning in interactive environments with incomplete models" was invented by Don Joven Ravoy Agravante (Tokyo) and Michiaki Tatsubori (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method in a model-based reinforcement learning (RL) system with logic states includes switching an agent between a first mode and a second mode, the first mode being a probabilistic planning mode and the second mode being an information gathering mode. In response to the agent being in the probabilistic planning mode, the agent co...