 | 2006 |
|---|
| 5 |       | Heidi Gregersen:
The formal semantics of the timeER model.
APCCM 2006: 35-44 |
| 2005 |
|---|
| 4 | | Heidi Gregersen:
TimeER plus: A Temporal EER Model Supporting Schema Changes.
BNCOD 2005: 41-59 |
| 2000 |
|---|
| 3 | | John F. Roddick,
Lina Al-Jadir,
Leopoldo E. Bertossi,
Marlon Dumas,
Florida Estrella,
Heidi Gregersen,
Kathleen Hornsby,
Jens Lufter,
Federica Mandreoli,
Tomi Männistö,
Enric Mayol,
Lex Wedemeijer:
Evolution and Change in Data Management - Issues and Directions.
SIGMOD Record 29(1): 21-25 (2000) |
| 1999 |
|---|
| 2 | | Heidi Gregersen,
Christian S. Jensen:
On the Ontological Expressiveness of Temporal Extensions to the Entity-Relationship Model.
ER (Workshops) 1999: 110-121 |
| 1 | | Heidi Gregersen,
Christian S. Jensen:
Temporal Entity-Relationship Models - A Survey.
IEEE Trans. Knowl. Data Eng. 11(3): 464-497 (1999) |
