ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,749, issued on March 31, was assigned to Palo Alto Networks Inc. (Santa Clara, Calif.).

"Machine learning system for multi-domain long document clustering" was invented by Tung-Ling Li (Fremont, Calif.) and William Redington Hewlett II (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A model pipeline has been created that allows an organization to gain a clear understanding of contents of a collection of documents despite varying lengths and multiple domain content. A collection of documents with content of different domains are normalized by summarizing the documents. For summarizing, the pipeline uses a language model that ha...