Summary:
- The article discusses the Cyc project, an artificial intelligence system that aims to represent common sense knowledge.
- Cyc was started in the 1980s by a company called Cycorp, with the goal of creating an AI system that could understand and reason about the world in a human-like way.
- The article explains how Cyc works by building a large knowledge base of facts and rules, and how it has been used in various applications, including natural language processing and question-answering systems.