ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,688, issued on May 12, was assigned to Hex Technologies Inc. (San Francisco).

"Optimized execution of cells in directed acyclic graph-driven notebook environment" was invented by Glen Takahashi (San Jose, Calif.), Caitlin Royden Colgrove (San Fransisco, Calif.) and Dylan McCoy Scott (Olympia, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system performs optimized execution of cells of a notebook by pruning certain cells from execution while evaluating a particular cell, even though the particular cell depends on the pruned cells. The system generates a directed acyclic graph. The system transforms code of a target cell to include code of one...