ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,311, issued on Dec. 16, was assigned to ServiceNow Inc. (Santa Clara, Calif.).

"Language model preprocessing with weighted n-grams" was invented by Dariush Shahgoshtasbi (Kirkland, Wash.), Omer Anil Turkkan (Santa Clara, Calif.), Jeevan Anand Anne (Santa Clara, Calif.) and Sagar Davasam Suryanarayan (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment may involve: obtaining textual content including a plurality of token strings, wherein each of the plurality of token strings includes one or more tokens; determining, for the plurality of token strings, respectively corresponding sets of n-gram tuples; assigning respective...