Road Collapse in Magnum. - Annita N. Wilschut; Roelof van Zwol; Jan Flokstra; Nick Brasa; Wilko Quak (ACM-GIS, 1998)

Searching Documents on the Intranet. - Roelof van Zwol; Peter M. G. Apers (WOWS, 1999)

The Webspace Method: On the Integration of Database Technology with Multimedia Retrieval. - Roelof van Zwol; Peter M. G. Apers (CIKM, 2000)

Using Webspaces to Model Document Collections on the Web. - Roelof van Zwol; Peter M. G. Apers (ER (Workshops), 2000)

Modelling the Webspace of an Intranet. - Roelof van Zwol; Peter M. G. Apers (WISE, 2000)

Flexible and scalable digital library search. - Henk Ernst Blok; Menzo Windhouwer; Roelof van Zwol; Milan Petkovic; Peter M. G. Apers; Martin L. Kersten; Willem Jonker (VLDB, 2001)

Modelling and searching web-based document collections. - Roelof van Zwol (Universiteit Twente, 2002)

Retrieval Performance Experiment with the Webspace Method. - Roelof van Zwol; Peter M. G. Apers (BNCOD, 2002)

Data Exchange over Web-based Applications with DXL. - Roelof van Zwol; V. Jeronimus; Maarten M. Fokkinga; Peter M. G. Apers (DIWeb, 2002)

Content-Based Video Indexing for the Support of Digital Library Search. - Milan Petkovic; Roelof van Zwol; Henk Ernst Blok; Willem Jonker; Peter M. G. Apers; Menzo Windhouwer; Martin L. Kersten (ICDE, 2002)

Combining Concept-with Content-Based Multimedia Retrieval. - Menzo Windhouwer; Roelof van Zwol (Intelligent Search on XML Data, 2003)

The Utrecht Blend: Basic Ingredients for an XML Retrieval System. - Roelof van Zwol; Frans Wiering; Virginia Dignum (INEX, 2004)

Distributed Ranking Methods for Geographic Information Retrieval. - Marc J. van Kreveld; Iris Reinbacher; Avi Arampatzis; Roelof van Zwol (SDH, 2004)

Google's "I'm Feeling Lucky", Truly a Gamble? - Roelof van Zwol; Herre van Oostendorp (WISE, 2004)

B3-SDR and Effective Use of Structural Hints. - Roelof van Zwol (INEX, 2005)

Multimedia Strategies for B3-SDR, Based on Principal Component Analysis. - Roelof van Zwol (INEX, 2005)

INEX 2005 Multimedia Track. - Roelof van Zwol; Gabriella Kazai; Mounia Lalmas (INEX, 2005)

Multi-Dimensional Scattered Ranking Methods for Geographic Information Retrieval. - Marc J. van Kreveld; Iris Reinbacher; Avi Arampatzis; Roelof van Zwol (GeoInformatica, 2005)

Editorial. - Roelof van Zwol; Arjen P. de Vries; Djoerd Hiemstra (J. Digit. Inf. Manag., 2005)

Bricks: The Building Blocks to Tackle Query Formulation in Structured Document Retrieval. - Roelof van Zwol; Jeroen Baas; Herre van Oostendorp; Frans Wiering (ECIR, 2006)

The INEX 2006 Multimedia Track. - Thijs Westerveld; Roelof van Zwol (INEX, 2006)

XSee: Structure Xposed. - Roelof van Zwol; Wouter Weerkamp (INEX, 2006)

Benchmarking multimedia search in structured collections. - Thijs Westerveld; Roelof van Zwol (Multimedia Information Retrieval, 2006)

Effective Use of Semantic Structure in XML Retrieval. - Roelof van Zwol; Tim van Loosbroek (ECIR, 2007)

Flickr: Who is Looking? - Roelof van Zwol (Web Intelligence, 2007)

Multimedia retrieval at INEX 2006. - Thijs Westerveld; Roelof van Zwol (SIGIR Forum, 2007)

Multimedia information retrieval: "new challenges in audio visual search". - Roelof van Zwol; Stefan M. Rüger; Mark Sanderson; Yosi Mass (SIGIR Forum, 2007)

Diversifying image search with user generated content. - Roelof van Zwol; Vanessa Murdock 001; Lluis Garcia Pueyo; Georgina Ramírez (Multimedia Information Retrieval, 2008)

Boosting image retrieval through aggregating search results based on visual annotations. - Ximena Olivares; Massimiliano Ciaramita; Roelof van Zwol (ACM Multimedia, 2008)

Resolving tag ambiguity. - Kilian Q. Weinberger; Malcolm Slaney; Roelof van Zwol (ACM Multimedia, 2008)

Flickr tag recommendation based on collective knowledge. - Börkur Sigurbjörnsson; Roelof van Zwol (WWW, 2008)

Media on the web, in post-production and broadcasting: the practitioner day of the ACM 2009 International Conference on Image and Video Retrieval. - Sébastien Marcel; Roelof van Zwol; Ricardo Baeza-Yates; Oliver Heckmann; Jan Erik Solem; Johan Oomen; Hans van Gageldonk; Jean-Pierre Gehrig; Xavier Vives; Baris Sumengen (CIVR, 2009)

Keynote Talk: Mining the Web 2.0 for Improved Image Search (the talk was given by Roelof van Zwol, the proceedings list Ricardo A. Baeza-Yates as the only author). - Roelof van Zwol; Ricardo Baeza-Yates (SAMT, 2009)

Placing flickr photos on a map. - Pavel Serdyukov; Vanessa Murdock 001; Roelof van Zwol (SIGIR, 2009)

Exploiting Tags and Social Profiles to Improve Focused Crawling. - Zhiyong Zhang; Olfa Nasraoui; Roelof van Zwol (Web Intelligence, 2009)

Classifying tags using open content resources. - Simon E. Overell; Börkur Sigurbjörnsson; Roelof van Zwol (WSDM, 2009)

Visual diversification of image search results. - Reinier H. van Leuken; Lluis Garcia Pueyo; Ximena Olivares; Roelof van Zwol (WWW, 2009)

Image Retrieval in a Commercial Setting. - Vanessa Murdock 001; Roelof van Zwol; Lluis Garcia Pueyo; Ximena Olivares (ImageCLEF, 2010)

WSM'10: 2nd ACM workshop on social media. - Susanne Boll; Steven C. H. Hoi; Roelof van Zwol; Jiebo Luo 001 (ACM Multimedia, 2010)

Prediction of favourite photos using social, visual, and textual signals. - Roelof van Zwol; Adam Rae; Lluis Garcia Pueyo (ACM Multimedia, 2010)

Improving tag recommendation using social networks. - Adam Rae; Börkur Sigurbjörnsson; Roelof van Zwol (RIAO, 2010)

Ranking Entity Facets Based on User Click Feedback. - Roelof van Zwol; Lluis Garcia Pueyo; Mridul Muralidharan; Börkur Sigurbjörnsson (ICSC, 2010)

Machine learned ranking of entity facets. - Roelof van Zwol; Lluis Garcia Pueyo; Mridul Muralidharan; Börkur Sigurbjörnsson (SIGIR, 2010)

Faceted exploration of image search results. - Roelof van Zwol; Börkur Sigurbjörnsson; Ramu Adapala; Lluis Garcia Pueyo; Abhinav Katiyar; Kaushal Kurapati; Mridul Muralidharan; Sudar Muthu; Vanessa Murdock 001; Polly Ng; Anand Ramani; Anuj Sahai; et al. (WWW, 2010)

Object ranking. - Roelof van Zwol; Srinivas Vadrevu (CIKM, 2011)

Individual behavior and social influence in online social systems. - Manos Papagelis; Vanessa Murdock 001; Roelof van Zwol (HT, 2011)

Scalable triangulation-based logo recognition. - Yannis Kalantidis; Lluis Garcia Pueyo; Michele Trevisiol; Roelof van Zwol; Yannis Avrithis (ICMR, 2011)

Learning crop regions for content-aware generation of thumbnail images. - Lyndon Kennedy; Roelof van Zwol; Nicolas Torzec; Belle L. Tseng (ICMR, 2011)

Scalable logo recognition in real-world images. - Stefan Romberg; Lluis Garcia Pueyo; Rainer Lienhart; Roelof van Zwol (ICMR, 2011)

Ranking related entities for web search queries. - Changsung Kang; Srinivas Vadrevu; Ruiqiang Zhang; Roelof van Zwol; Lluis Garcia Pueyo; Nicolas Torzec; Jianzhang He; Yi Chang 001 (WWW (Companion Volume), 2011)

Introduction to the special issue on image and video retrieval: theory and applications. - Ioannis Kompatsiaris; Stéphane Marchand-Maillet; Roelof van Zwol; Sébastien Marcel (Multim. Tools Appl., 2011)

Digital Paparazzi: Spotting Celebrities in Professional Photo Libraries. - Sina Jafarpour; Li-Jia Li 001; Roelof van Zwol (ACCV (2), 2012)

Multimedia features for click prediction of new ads in display advertising. - Haibin Cheng; Roelof van Zwol; Javad Azimi; Eren Manavoglu; Ruofei Zhang; Yang Zhou 033; Vidhya Navalpakkam (KDD, 2012)

Spatially-aware indexing for image object retrieval. - Roelof van Zwol; Lluis Garcia Pueyo (WSDM, 2012)

Interactive Recommender Systems: Tutorial. - Harald Steck; Roelof van Zwol; Chris Johnson 011 (RecSys, 2015)

CelebrityNet: A Social Network Constructed from Large-Scale Online Celebrity Images. - Li-Jia Li 001; David A. Shamma; Xiangnan Kong; Sina Jafarpour; Roelof van Zwol; Xuanhui Wang (ACM Trans. Multim. Comput. Commun. Appl., 2015)

Integrity 2021: Integrity in Social Networks and Media. - Lluis Garcia Pueyo; Anand Bhaskar; Roelof van Zwol; Timos Sellis; Gireeja Ranade; Prathyusha Senthil Kumar; Yu Sun 021; Joy Zhang (WSDM, 2021)

Integrity 2022: Integrity in Social Networks and Media. - Lluís Garcia Pueyo; Panayiotis Tsaparas; Anand Bhaskar; Prathyusha Senthil Kumar; Roelof van Zwol; Timos Sellis; Anthony McCosker; Paolo Papotti (CoRR, 2022)