CLN may refer to:
==Computing and technology== Class Library for Numbers, a free software project Computer Learning Network, a technical school (college) in Mechanicsburg, Pennsylvania; see YTI Career Institute Controlled natural language, a subset of a natural language that is obtained by restricting its grammar and vocabulary in order to reduce or eliminate ambiguity and complexity.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).