| Topic | 1998 | 1999 | 2000 |
| HTTP/CGI | 3 | 0 | 0 |
| Java Simulators | 3 | 0 | 0 |
| Development Tools | 2 | 4 | 3 |
| Collaborative Development | 2 | 1 | 1 |
| Components | 3 | 2 | 3 |
| - CORBA | (2) | (0) | (0) |
| - DCOM | (0) | (0) | (0) |
| - Java Beans | (1) | (2) | (0) |
| - EJB | (0) | (0) | (0) |
| - Unknown | (0) | (0) | (3) |
| Agents | 5 | 0 | 1 |
| Parallel & Distributed Sim | 0 | 4 | 1 |
| DIS/HLA | 2 | 3 | 0 |
| Embedded Simulation | 1 | 3 | 0 |
| 3D/Virtual Reality | 4 | 1 | 1 |
| Applications | 3 | 14 | 3 |
| Education/Training | 2 | 3 | 2 |
| Games/Entertainment | 0 | 0 | 1 |
| Total | 30 | 35 | 16 |