Main Page | See live article | Alphabetical index A frame language. Not to be confused with KL1. "An Overview of the KL-ONE Knowledge Representation System", R.J. Brachman and J. Schmolze, Cognitive Sci 9(2), 1985. This article (or an earlier version of it) contains material from FOLDOC, used with permission. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.