| No | Tahun | Jurnal | Judul Paper | ISBN | Nama Penelitian |
| 1 | 2003 | International Symposium of Information Technology | Rules for the automatic translation of ER model to multidimensional model | Opim Salim Sitompul | |
| 2 | 2003 | Conference on Intelligent Systems and Robotics (CISAR 2003) | Conceptual Data Warehouse Design: An Automated Approach | Opim Salim Sitompul |