| 2006 | FQAS | Using Structural Relationships for Focused XML Retrieval. | Georgina Ramrez, Thijs Westerveld, Arjen P. de Vries |
| 2006 | SIGIR | The TIJAH XML information retrieval system. | Henk Ernst Blok, Vojkan Mihajlovic, Georgina Ramrez, Thijs Westerveld, Djoerd Hiemstra, Arjen P. de Vries |
| 2006 | SIGIR | Using small XML elements to support relevance. | Georgina Ramrez, Thijs Westerveld, Arjen P. de Vries |
| 2005 | CIKM | Structural features in content oriented XML retrieval. | Georgina Ramrez, Thijs Westerveld, Arjen P. de Vries |
| 2004 | ICASSP | Combining multiple representations on the TRECVID search task [video retrieval system]. | Arjen P. de Vries, Thijs Westerveld, Tzvetanka I. Ianeva |
| 2004 | ICIP | A comparison of continuous vs. discrete image models for probabilistic image and video retrieval. | Arjen P. de Vries, Thijs Westerveld |
| 2003 | SIGIR | Experimental result analysis for a generative probabilistic image retrieval model. | Thijs Westerveld, Arjen P. de Vries |
| 2002 | SIGIR | The Importance of Prior Probabilities for Entry Page Search. | Wessel Kraaij, Thijs Westerveld, Djoerd Hiemstra |
| 2002 | SIGIR | Probabilistic multimedia retrieval. | Thijs Westerveld |