ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,513,053, issued on Dec. 30, was assigned to GOOGLE LLC (Mountain View, Calif.).

"Heterogeneous graph clustering using a pointwise mutual information criterion" was invented by Oleg Golubitsky (Toronto), Pushkarini Hemchandra Agharkar (Toronto) and Dake He (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of enforcing policies in a computer environment for content distribution using pointwise mutual information (PMI) based clustering are provided. The system can maintain a network of nodes representing a plurality of assets. Upon detecting that an asset is associated with a policy label, the system can identify attributes of the...