ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,817, issued on Feb. 25, was assigned to Beijing Volcano Engine Technology Co. Ltd. (Beijing) and Lemon Inc. (Grand Cayman, Cayman Islands).
"Hash engine for conducting point queries" was invented by Jiaxin Ou (Beijing), Jingwei Zhang (Beijing), Hao Wang (Los Angeles), Hui Zhang (Los Angeles), Ming Zhao (Beijing), Yi Wang (Beijing) and Zhengyu Yang (Los Angeles).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for improved point querying of a database. The index values are separated from data and retained in cache memory to allow access without requiring a disk input/output (I/O) operation and thereby having less latency...