| Exploring the computing literature with visualization and stepping stones & pathways | 12 | 1.03 | 2006 |
| Connecting Topics in Document Collections with Stepping Stones and Pathways | 21 | 1.15 | 2005 |
| Developing GIS Applications with Objects: A Design Patterns Approach | 7 | 0.66 | 1999 |
| The Aleph: a tool to spatially represent user knowledge about the WWW docuverse | 6 | 0.76 | 1997 |
| Generating the architecture of GIS applications with design patterns | 11 | 1.28 | 1997 |
