| Date | Event | Title |
| October 1999 | HPKB PI Meeting | Scalable Knowledge Composition
Available in [HTML][Powerpoint] |
| October 1999 | CS-300 Stanford Seminar | Scalable Knowledge Composition
(huge overlap with the above talk) Available in [HTML][Powerpoint] |
| March 2001 | Computer Forum, Stanford Seminar | Interoperation of Information Sources via Articulation of Ontologies.
Available in [Powerpoint] |