ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,511, issued on Feb. 3, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Generation and use of searchable graph data structure based on ontological knowledge" was invented by Neelansh Garg (Menlo Park, Calif.) and Christopher Gerard Lunny (Menlo Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method including parsing a natural language query to generate terms. The method also includes linking the terms to entities of a graph data structure including a first layer of nodes connected by edges. The entities are selected from among the nodes and the edges. The graph data structure further includes a meta layer which has ta...