ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,155, issued on April 15.

"Exploration of relevant information for automated workflows" was invented by Yashraj Panwar (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An online system extracts information from a user for use in workflows using a machine learning-based language mode. The online system creates a weighted epoch tree comprising epoch nodes, each epoch node associated with a time interval associated with the user. An epoch node has a relevance score determined based on a set of events associated with the user that occurred during a time interval. The online system builds the weighted epoch tree by selecting an epoch n...