14 Facts About Cyc

Cyc is a long-term artificial intelligence project that aims to assemble a comprehensive ontology and knowledge base that spans the basic concepts and rules about how the world works.

Cyc enables semantic reasoners to perform human-like reasoning and be less "brittle" when confronted with novel situations.

Objective of the Cyc project was to codify, in machine-usable form, the millions of pieces of knowledge that compose human common sense.

Typical pieces of knowledge represented in the Cyc knowledge base are "Every tree is a plant" and "Plants die eventually".

For example, Cyc knows that as a default parents love their children, when you're made happy you smile, taking your first step is a big accomplishment, when someone you love has a big accomplishment that makes you happy, and only adults have children.

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Much of the current work Cyc continues to be knowledge engineering, representing facts about the world by hand, and implementing efficient inference mechanisms on that knowledge.

Each microtheory is a first-class object in the Cyc ontology; it has a name that is a regular constant; microtheory constants contain the string "Mt" by convention.

Main point of releasing OpenCyc was to help AI researchers understand what was missing from what they now call ontologies and knowledge graphs.

Cyc is used as the universal interlingua capable of representing the union of all the terms' “true meanings”, and capable of representing the 300k transformations between each of those controlled vocabularies and Cyc, thereby converting an n² problem into a linear one without introducing the usual sort of “telephone game” attenuation of meaning.

Cleveland Clinic has used Cyc to develop a natural-language query interface of biomedical information, spanning decades of information on cardiothoracic surgeries.

One Cyc application aims to help students doing math at a 6th grade level, helping them much more deeply understand that subject matter.

Unlike almost all other educational software, where the computer plays the role of the teacher, this application of Cyc, called MathCraft, has Cyc play the role of a fellow student who is always slightly more confused than you, the user, are about the subject.

Cyc project has been described as "one of the most controversial endeavors of the artificial intelligence history".

Douglas Lenat, through his Cyc project, has directed the line-by-line entry of more than 1 million rules into a commonsense knowledge base.