US Patent Issued to Zoom Communications on Oct. 21 for "Global directed acyclic graphs in distributed computing systems" (Chinese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,231, issued on Oct. 21, was assigned to Zoom Communications Inc. (San Jose, Calif.).

"Global directed acyclic graphs in distributed computing systems" was invented by Lun Gao (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Creating a global directed acyclic graph (DAG) of an execution plan according to a logical plan derived from one or more Structured Query Language (SQL) queries. The logical plan comprises a set of SqlNodes, where each non-root SqlNode includes parent SqlNode information. The DAG comprises vertices connected by edges, wherein each vertex corresponds to a respective relational expression of a set of relational expre...