ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,866, issued on Nov. 25, was assigned to JPMORGAN CHASE BANK N.A. (New York).
"Method and system for maintaining latent Dirichlet allocation model accuracy" was invented by Deepanjan Chakraborti (Kolkata, India), Luke Meier (Frisco, Texas), Brandon Chihkai Yang (Chicago) and Maria Beltran (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a system for counteracting model drift in a Latent Dirichlet Allocation (LDA) model by maintaining freshness and accuracy in the LDA model by leveraging LDA classification and vector algebra to detect potential degradations are provided. The method entails determining whether an LDA model has drift...