with : Gary Lamont

2003 ACM Symposium on Applied Computing (SAC 2003) — 09/03/2003–12/03/2003

2002 ACM Symposium on Applied Computing (SAC 2002) — 11/03/2002–14/03/2002

2001 ACM Symposium on Applied Computing (SAC 2001) — 11/03/2001–14/03/2001