ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,884, issued on Nov. 11, was assigned to Educational Testing Service (Princeton, N.J.).

"Machine learning-based argument mining and classification" was invented by Debanjan Ghosh (Cambridge, Mass.), Swapna Somasundaran (Plainsboro, N.J.), Hillary R. Molloy (Charlottesville, Va.) and Avijit Vajpayee (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Computer-based argument mining can be implemented by accessing data comprising text encapsulating a plurality of debates relating to varying topics. Thereafter, the text is parsed into snippets of text containing arguments. Features are then extracted or otherwise derived from pairs of snippets. The f...