ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,546, issued on Feb. 3, was assigned to Salesforce Inc. (San Francisco).

"Lossless summarization" was invented by Eli Andrew (Palo Alto, Calif.) and Noah Burbank (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices, and techniques are disclosed for lossless summarization. Data that including indications of whether a text summary generated by a machine learning system from an input document includes correct answers to questions about the input document may be received. Weights associated with the questions about the input document may be received. A first vector may be generated from the indications in the data. A second v...