n Build and maintain list of contacts on explanation work on RDF-
compliant systems – McGuinness
n Build a test ontology and set of test cases
l Possible domains – wine ontology, ….
n Draft DAML+OIL/owl spec for shareable proofs  and architecture
n Obtain comments on draft spec for shareable proofs - - Karlsruhe,
RKF(SRI, KM, Northwestern, Boeing, …), Cycorp, …
n Interoperability tests  (at least Stanford and Cycorp)
n List of heuristics for pruning/presenting explanations