US Patent Issued to INTERNATIONAL BUSINESS MACHINES on March 25 for "Rare topic detection using hierarchical clustering" (New York Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,919, issued on March 25, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Rare topic detection using hierarchical clustering" was invented by Raghu Ganti (White Plains, N.Y.), Mudhakar Srivatsa (White Plains, N.Y.), Shreeranjani Srirangamsridharan (White Plains, N.Y.), Yeon-sup Lim (White Plains, N.Y.) and Dakshi Agrawal (Monsey, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments for providing rare topic detection using hierarchical topic modeling by a processor. A hierarchical topic model may be learned from one or more data sources. One or more dominant words in a selected cluster may be iteratively removed usin...