LifeNet

LifeNet is a large scale probabilistic graphical model (400,000 links) mined from the Open Mind Common Sense corpus, one based on a "first-person" propositional representation over which statistical inference is performed. A sample of the LifeNet network is shown below.

The goal of LifeNet is to provide a substrate for commonsense reasoning about a person's context, by providing an ontology and knowledge base focused on a person's context such as where they are, what they are doing, what they just did and what they might do next.

LifeNet is the first large-scale probabilistic graphical model focused on commonsense knowledge. Thus it can exploit the advantages of modern probabilistic methods ofinference and learning.

LifeNet @ Media Lab Commonsense Computing Project http://csc.media.mit.edu/LifeNetHome.htm