| 2021 | SGAI | A Live-User Evaluation of a Visual Module Recommender and Advisory System for Undergraduate Students. | Nina Hagemann, Michael P. O'Mahony, Barry Smyth |
| 2019 | IUI | Visualising module dependencies in academic recommendations. | Nina Hagemann, Michael P. O'Mahony, Barry Smyth |
| 2018 | ITS | Module Advisor: Guiding Students with Recommendations. | Nina Hagemann, Michael P. O'Mahony, Barry Smyth |
| 2018 | RecSys | Module advisor: a hybrid recommender system for elective module exploration. | Nina Hagemann, Michael P. O'Mahony, Barry Smyth |
| 2017 | ICWE | TweetCric: A Twitter-Based Accountability Mechanism for Cricket. | Arjumand Younus, Muhammad Atif Qureshi, Naif R. Aljohani, Derek Greene, Michael P. O'Mahony |
| 2017 | RecSys | Towards the Recommendation of Personalised Activity Sequences in the Tourism Domain. | Gunjan Kumar, Houssem Jerbi, Michael P. O'Mahony |
| 2014 | ICCBR | Further Experiments in Opinionated Product Recommendation. | Ruihai Dong, Michael P. O'Mahony, Barry Smyth |
| 2014 | IIWAS | Towards Activity Recommendation from Lifelogs. | Gunjan Kumar, Houssem Jerbi, Cathal Gurrin, Michael P. O'Mahony |
| 2013 | ICCBR | Opinionated Product Recommendation. | Ruihai Dong, Markus Schaal, Michael P. O'Mahony, Kevin McCarthy, Barry Smyth |
| 2013 | ICCBR | Mining Features and Sentiment from Review Experiences. | Ruihai Dong, Markus Schaal, Michael P. O'Mahony, Kevin McCarthy, Barry Smyth |
| 2013 | IJCAI | Topic Extraction from Online Reviews for Classification and Recommendation. | Ruihai Dong, Markus Schaal, Michael P. O'Mahony, Barry Smyth |
| 2013 | ICWSM | A Model of Collaboration-based Reputation for the Social Web. | Kevin McNally, Michael P. O'Mahony, Barry Smyth |
| 2013 | IUI | Ranking in information streams. | Steven Bourke, Michael P. O'Mahony, Rachael Rafter, Barry Smyth |
| 2013 | IUI | CatStream: categorising tweets for user profiling and stream filtering. | Sandra Garcia Esparza, Michael P. O'Mahony, Barry Smyth |
| 2013 | RecSys | Sentimental product recommendation. | Ruihai Dong, Michael P. O'Mahony, Markus Schaal, Kevin McCarthy, Barry Smyth |
| 2012 | ICCBR | Harnessing the Experience Web to Support User-Generated Product Reviews. | Ruihai Dong, Markus Schaal, Michael P. O'Mahony, Kevin McCarthy, Barry Smyth |
| 2012 | IUI | Towards an intelligent reviewer's assistant: recommending topics to help users to write better product reviews. | Ruihai Dong, Kevin McCarthy, Michael P. O'Mahony, Markus Schaal, Barry Smyth |
| 2012 | IUI | First demonstration of the intelligent reviewer's assistant. | Ruihai Dong, Kevin McCarthy, Michael P. O'Mahony, Markus Schaal, Barry Smyth |
| 2012 | RecSys | The demonstration of the reviewer's assistant. | Ruihai Dong, Markus Schaal, Michael P. O'Mahony, Kevin McCarthy, Barry Smyth |
| 2012 | SGAI | Collaborative Filtering For Recommendation In Online Social Networks. | Steven Bourke, Michael P. O'Mahony, Rachael Rafter, Kevin McCarthy, Barry Smyth |
| 2012 | SGAI | Unsupervised Topic Extraction for the Reviewer's Assistant. | Ruihai Dong, Markus Schaal, Michael P. O'Mahony, Kevin McCarthy, Barry Smyth |
| 2012 | SGAI | Towards the Profiling of Twitter Users for Topic-Based Filtering. | Sandra Garcia Esparza, Michael P. O'Mahony, Barry Smyth |
| 2011 | IUI | Social and collaborative web search: an evaluation study. | Kevin McNally, Michael P. O'Mahony, Barry Smyth, Maurice Coyle, Peter Briggs |
| 2010 | FlAIRS | The Readability of Helpful Product Reviews. | Michael P. O'Mahony, Barry Smyth |
| 2010 | IUI | Towards a reputation-based model of social web search. | Kevin McNally, Michael P. O'Mahony, Barry Smyth, Maurice Coyle, Peter Briggs |
| 2010 | RecSys | On the real-time web as a source of recommendation knowledge. | Sandra Garcia Esparza, Michael P. O'Mahony, Barry Smyth |
| 2010 | SGAI | Effective Product Recommendation using the Real-Time Web. | Sandra Garcia Esparza, Michael P. O'Mahony, Barry Smyth |
| 2009 | ICCBR | A Case-Based Perspective on Social Web Search. | Barry Smyth, Peter Briggs, Maurice Coyle, Michael P. O'Mahony |
| 2009 | RecSys | Learning to recommend helpful hotel reviews. | Michael P. O'Mahony, Barry Smyth |
| 2009 | SGAI | A Classification-based Review Recommender. | Michael P. O'Mahony, Barry Smyth |
| 2008 | RecSys | Unsupervised retrieval of attack profiles in collaborative recommender systems. | Kenneth Bryan, Michael P. O'Mahony, Padraig Cunningham |
| 2007 | RecSys | A recommender system for on-line course enrolment: an initial study. | Michael P. O'Mahony, Barry Smyth |
| 2006 | IUI | Detecting noise in recommender system databases. | Michael P. O'Mahony, Neil J. Hurley, Guenole C. M. Silvestre |
| 2005 | AAAI | Recommender Systems: Attack Types and Strategies. | Michael P. O'Mahony, Neil J. Hurley, Guenole C. M. Silvestre |
| 2004 | ECAI | Efficient and Secure Collaborative Filtering through Intelligent Neighbour Selection. | Michael P. O'Mahony, Neil J. Hurley, Guenole C. M. Silvestre |
| 2003 | ISMIS | Collaborative Filtering - Safe and Sound? | Michael P. O'Mahony, Neil J. Hurley, Guenole C. M. Silvestre |
| 2002 | DEXA | Promoting Recommendations: An Attack on Collaborative Filtering. | Michael P. O'Mahony, Neil J. Hurley, Guenole C. M. Silvestre |