US Patent Issued to International Business Machines on April 15 for "Text mining based on document structure information extraction" (Japanese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,389, issued on April 15, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Text mining based on document structure information extraction" was invented by Tetsuya Nasukawa (Kawasaki, Japan), Shoko Suzuki (Yokohama, Japan), Daisuke Takuma (Toshima-ku, Japan) and Issei Yoshida (Setagaya-ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Frequent sequences extracted from a set of documents according to a common rule are obtained. Based on comparing occurrence frequencies of various sequences, confidence of the first frequent sequence being a label expression representing a document part in a target document is evaluated. Keywo...