| AKT : |
| •owl:Thing |
| •PHILOSURFICAL-ENTITY |
| •CRM-ENTITY |
| •TEMPORAL-ENTITY |
| •PERIOD |
| •EVENT |
| •ACTIVITY |
| •SOCIAL-ACTIVITY |
| •SOCIAL-GATHERING |
| •WORKSHOP |
Class(WORKSHOP partial SOCIAL-GATHERING
restriction(PUBLISHED-PROCEEDINGS allValuesFrom(WORKSHOP-PROCEEDINGS-REFERENCE)))