ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,800, issued on May 20, was assigned to HITACHI LTD. (Tokyo).
"Inter-word score calculation apparatus, question and answer extraction system and inter-word score calculation method" was invented by Naoki Inoue (Tokyo), Sota Sato (Tokyo) and Toru Shimotori (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inter-word score calculation apparatus calculates a degree of relatedness between words included in an amount of data from at least one document. The inter-word score calculation apparatus includes a memory storing document data from the documents, term list data wherein predetermined terms are written and a processor. The processor performs a...