| 2009 | Testing and evaluating tag recommenders in a live system. | Robert Jschke, Folke Eisterlehner, Andreas Hotho, Gerd Stumme |
| 2009 | A case study on the effectiveness of recommendations in the mobile internet. | Dietmar Jannach, Kolja Hegelich |
| 2009 | Workshop on recommender systems and the social web. | Dietmar Jannach, Werner Geyer, Casey Dugan, Jill Freyne, Sarabjot S. Anand, Bamshad Mobasher, Alfred Kobsa |
| 2009 | Using a trust network to improve top-N recommendation. | Mohsen Jamali, Martin Ester |
| 2009 | Statistical attack detection. | Neil Hurley, Zunping Cheng, Mi Zhang |
| 2009 | Acceptance issues of personality-based recommender systems. | Rong Hu, Pearl Pu |
| 2009 | The 3A contextual ranking system: simultaneously recommending actors, assets, and group activities. | Sandy El Helou, Christophe Salzmann, Stphane Sire, Denis Gillet |
| 2009 | iTag: a personalized blog tagger. | Michael Hart, Rob Johnson, Amanda Stent |
| 2009 | Uncovering functional dependencies in MDD-compiled product catalogues. | Tarik Hadzic, Barry O'Sullivan |
| 2009 | Personalized recommendation of social software items based on social relations. | Ido Guy, Naama Zwerdling, David Carmel, Inbal Ronen, Erel Uziel, Sivan Yogev, Shila Ofek-Koifman |
| 2009 | A unified approach to building hybrid recommender systems. | Asela Gunawardana, Christopher Meek |
| 2009 | Generating transparent, steerable recommendations from textual descriptions of items. | Stephen J. Green, Paul Lamere, Jeffrey Alexander, Franois Maillet, Susanna Kirk, Jessica Holt, Jackie Bourque, Xiao-Wen Mak |
| 2009 | Tutorial on using social trust for recommender systems. | Jennifer Golbeck |
| 2009 | Predicting social-tags for cold start book recommendations. | Sharon Givon, Victor Lavrenko |
| 2009 | The impact of ambiguity and redundancy on tag recommendation in folksonomies. | Jonathan Gemmell, Maryam Ramezani, Thomas Schimoler, Laura Christiansen, Bamshad Mobasher |
| 2009 | Rating aggregation in collaborative filtering systems. | Florent Garcin, Boi Faltings, Radu Jurca, Nadine Joswig |
| 2009 | Putting recommendations on the map: visualizing clusters and relations. | Emden R. Gansner, Yifan Hu, Stephen G. Kobourov, Chris Volinsky |
| 2009 | Increasing engagement through early recommender intervention. | Jill Freyne, Michal Jacovi, Ido Guy, Werner Geyer |
| 2009 | Analysis of cold-start recommendations in IPTV systems. | Paolo Cremonesi, Roberto Turrin |
| 2009 | Recommender systems for the conference paper assignment problem. | Don Conry, Yehuda Koren, Naren Ramakrishnan |
| 2009 | Effective diverse and obfuscated attacks on model-based recommender systems. | Zunping Cheng, Neil Hurley |
| 2009 | Adaptive tradeoff explanations in conversational recommenders. | Li Chen |
| 2009 | A recommender system for dynamically evolving online forums. | Carlos Castro-Herrera, Jane Cleland-Huang, Bamshad Mobasher |
| 2009 | Recommenders' influence on buyers' decision process. | Sylvain Castagnos, Nicolas Jones, Pearl Pu |
| 2009 | Generating comparative descriptions of places of interest in the tourism domain. | Berardina De Carolis, Nicole Novielli, Vito Leonardo Plantamura, Enrica Gentile |