ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,118, issued on April 15, was assigned to Alipay (Hangzhou) Information Technology Co. Ltd. (Hangzhou, China).
"Query optimization method and apparatus" was invented by Jian Niu (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A query optimization method includes: obtaining a plurality of query tasks to be optimized, each query task including at least one subtask, and when a same query task includes at least two subtasks, a query dependence relationship existing between the at least two subtasks; combining the plurality of query tasks based on the query dependence relationship to obtain a combined task; and merging at least two subtasks...