n W3C – Contact:  Berners-Lee, Connolly,…
l Cwm will handle explanation and validation sometime
n Stanford – Contact:  McGuinness
l http://www.ksl.stanford.edu/projects/daml/Proof/
l DAML+OIL/OWL specification of proofs, examples, challenges…
l Implementation of explanation/proof browser for proofs/inference
webs
l JTP reasoner is being made compatible with proof spec
n Cycorp –  Contact:  Steve Reed
l Explanation implementation of Stanford's design initial
test subsumption,
l  why assertion NOT assertable and make
recommendations
n Agfa -   Contact:  Jos de Roo