| |
| 1993 | ||
|---|---|---|
| 3 | Joachim Biskup, Holger Stiefeling: Evaluation of Upper Bounds and Least Nodes as Database Operations. FODO 1993: 197-214 | |
| 1990 | ||
| 2 | Joachim Biskup, Uwe Räsch, Holger Stiefeling: An Extension of SQL for Querying Graph Relations. Comput. Lang. 15(1): 65-82 (1990) | |
| 1988 | ||
| 1 | Joachim Biskup, Holger Stiefeling: Transitive Closure Algorithms for Very Large Databases. WG 1988: 122-147 | |
| 1 | Joachim Biskup | [1] [2] [3] |
| 2 | Uwe Räsch | [2] |