Christoph Trattner

172 papers A* 4A 27B 4Journal 54Unranked 64

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	Evaluating Sequential Recommendations in the Wild: A Case Study on Offline Accuracy, Click Rates, and Consumption. ECIR (2) Anastasiia Klimashevskaia, Snorre Alvsvåg, Christoph Trattner, Alain D. Starke, Astrid Tessem, Dietmar Jannach
2025	J	`jnl`	Integrating Digital Food Nudges and Recommender Systems: Current Status and Future Directions. IEEE Access Ayoub El Majjodi, Alain D. Starke, Christoph Trattner
2025	—	`conf`	LLM-Based Healthiness? Analyzing the Nutritional Quality of an AI-Generated Recipe Dataset. RecSoGood@RecSys Ayoub El Majjodi, Jonas Bech Holtan, Alain D. Starke, Christoph Trattner
2025	A	`conf`	The role of GPT as an adaptive technology in climate change journalism. UMAP Jia Hua Jeng, Gloria Kasangu, Alain Starke, Khadiga Mahmoud Abdalla Seddik, Christoph Trattner
2024	J	`jnl`	"Tell Me Why": using natural language justifications in a recipe recommender system to support healthier food choices. User Model. User Adapt. Interact. Alain D. Starke, Cataldo Musto, Amon Rapp, Giovanni Semeraro, Christoph Trattner
2024	J	`jnl`	A survey on popularity bias in recommender systems. User Model. User Adapt. Interact. Anastasiia Klimashevskaia, Dietmar Jannach, Mehdi Elahi, Christoph Trattner
2024	—	`conf`	Advancing Visual Food Attractiveness Predictions for Healthy Food Recommender Systems. HealthRecSys@RecSys Ayoub El Majjodi, Sohail Ahmed Khan, Alain D. Starke, Mehdi Elahi, Christoph Trattner
2024	J	`jnl`	Challenges in Implementing a Recommender System for Historical Research in the Humanities. CoRR Florian Atzenhofer-Baumgartner, Bernhard C. Geiger, Christoph Trattner, Georg Vogeler, Dominik Kowald
2024	—	`conf`	Emotional Reframing of Economic News using a Large Language Model. UMAP (Adjunct Publication) Jia Hua Jeng, Gloria Kasangu, Alain Starke, Christoph Trattner
2024	—	`conf`	Empowering Editors: How Automated Recommendations Support Editorial Article Curation. INRA@RecSys Anastasiia Klimashevskaia, Mehdi Elahi, Dietmar Jannach, Christoph Trattner
2024	J	`jnl`	Examining the merits of feature-specific similarity functions in the news domain using human judgments. User Model. User Adapt. Interact. Alain D. Starke, Vegard Solberg, Sebastian Øverhaug, Christoph Trattner
2024	—	`conf`	Incorporating Editorial Feedback in the Evaluation of News Recommender Systems. UMAP (Adjunct Publication) Bilal Mahmood, Mehdi Elahi, Samia Touileb, Lubos Steskal, Christoph Trattner
2024	J	`jnl`	Leveraging Professional Ethics for Responsible AI. Commun. ACM Nicholas Diakopoulos, Christoph Trattner, Dietmar Jannach, Irene Costera Meijer, Enrico Motta
2024	—	`conf`	Negativity Sells? Using an LLM to Affectively Reframe News Articles in a Recommender System. INRA@RecSys Jia Hua Jeng, Gloria Kasangu, Alain Starke, Erik Knudsen, Christoph Trattner
2024	—	`conf`	Perception versus Reality: Evaluating User Awareness of Political Selective Exposure in News Recommender Systems. UMAP (Adjunct Publication) Alain Starke, Anders Sandvik Bremnes, Erik Knudsen, Damian Trilling, Christoph Trattner
2024	—	`ed.`	Proceedings of the 6th International Workshop on Health Recommender Systems (HealthRecSys 2024) co-located with 18th ACM Conference on Recommender Systems (RecSys 2024), Bari, Italy, October 18, 2024. HealthRecSys@RecSys Hanna Hauptmann, Christoph Trattner, Helma Torkamaan
2024	A	`conf`	Shaping the Future of Content-based News Recommenders: Insights from Evaluating Feature-Specific Similarity Metrics. UMAP Daniel Rosnes, Alain D. Starke, Christoph Trattner
2024	A	`conf`	The 6th International Workshop on Health Recommender Systems. RecSys Hanna Hauptmann, Christoph Trattner, Helma Torkamaan
2023	J	`jnl`	A Survey on Popularity Bias in Recommender Systems. CoRR Anastasiia Klimashevskaia, Dietmar Jannach, Mehdi Elahi, Christoph Trattner
2023	—	`conf`	Addressing Popularity Bias in Recommender Systems: An Exploration of Self-Supervised Learning Models. UMAP (Adjunct Publication) Anastasiia Klimashevskaia, Mehdi Elahi, Christoph Trattner
2023	A	`conf`	BehavRec: Workshop on Recommendations for Behavior Change. RecSys Amon Rapp, Federica Cena, Christoph Trattner, Rita Orji, Julita Vassileva, Alain Starke
2023	J	`jnl`	Considering temporal aspects in recommender systems: a survey. User Model. User Adapt. Interact. Veronika Bogina, Tsvi Kuflik, Dietmar Jannach, Mária Bieliková, Michal Kompan, Christoph Trattner
2023	A	`conf`	Designing for Control in Nurse-AI Collaboration During Emergency Medical Calls. Conference on Designing Interactive Systems Arngeir Berge, Frode Guribye, Siri-Linn Schmidt Fotland, Gro Fonnes, Ingrid H. Johansen, Christoph Trattner
2023	A	`conf`	Evaluating The Effects of Calibrated Popularity Bias Mitigation: A Field Study. RecSys Anastasiia Klimashevskaia, Mehdi Elahi, Dietmar Jannach, Lars Skjærven, Astrid Tessem, Christoph Trattner
2023	J	`jnl`	Examining the User Evaluation of Multi-List Recommender Interfaces in the Context of Healthy Recipe Choices. Trans. Recomm. Syst. Alain D. Starke, Edis Asotic, Christoph Trattner, Ellen J. Van Loo
2023	—	`ed.`	MultiMedia Modeling - 29th International Conference, MMM 2023, Bergen, Norway, January 9-12, 2023, Proceedings, Part I MMM (1) Duc-Tien Dang-Nguyen, Cathal Gurrin, Martha A. Larson, Alan F. Smeaton, Stevan Rudinac, Minh-Son Dao, Christoph Trattner, Phoebe Chen
2023	—	`ed.`	MultiMedia Modeling - 29th International Conference, MMM 2023, Bergen, Norway, January 9-12, 2023, Proceedings, Part II MMM (2) Duc-Tien Dang-Nguyen, Cathal Gurrin, Martha A. Larson, Alan F. Smeaton, Stevan Rudinac, Minh-Son Dao, Christoph Trattner, Phoebe Chen
2023	—	`ed.`	Proceedings of the International Workshop on Behavior Change and Persuasive Recommender Systems co-located with the 17th ACM Conference on Recommender Systems (RecSys 2023), Singapore, September 19, 2023. BehavRec@RecSys Amon Rapp, Christoph Trattner, Julita Vassileva, Federica Cena, Rita Orji, Alain Starke
2023	—	`conf`	The Interplay between Food Knowledge, Nudges, and Preference Elicitation Methods Determines the Evaluation of a Recipe Recommender System. IntRS@RecSys Ayoub El Majjodi, Alain D. Starke, Mehdi Elahi, Christoph Trattner
2023	—	`conf`	Topical Preference Trumps Other Features in News Recommendation: A Conjoint Analysis on a Representative Sample from Norway. INRA@RecSys Erik Knudsen, Alain D. Starke, Christoph Trattner
2023	—	`conf`	Towards Attitudinal Change in News Recommender Systems: A Pilot Study on Climate Change. PERSUASIVE (Adjunct) Jia Hua Jeng, Alain Starke, Christoph Trattner
2023	J	`jnl`	Trustworthy journalism through AI. Data Knowl. Eng. Andreas L. Opdahl, Bjørnar Tessem, Duc-Tien Dang-Nguyen, Enrico Motta, Vinay Setty, Eivind Throndsen, Are Tverberg, Christoph Trattner
2023	—	`conf`	Understanding How News Recommender Systems Influence Selective Exposure. BehavRec@RecSys Khadiga M. A. Seddik, Erik Knudsen, Damian Trilling, Christoph Trattner
2023	J	`jnl`	Understanding and predicting cross-cultural food preferences with online recipe images. Inf. Process. Manag. Qing Zhang, David Elsweiler, Christoph Trattner
2023	J	`jnl`	Visual User-Generated Content Verification in Journalism: An Overview. IEEE Access Sohail Ahmed Khan, Ghazaal Sheikhi, Andreas L. Opdahl, Fazle Rabbi, Sergej Stoppel, Christoph Trattner, Duc-Tien Dang-Nguyen
2022	J	`jnl`	A day at the races. Appl. Intell. David E. Losada, David Elsweiler, Morgan Harvey, Christoph Trattner
2022	—	`conf`	Boosting Health? Examining the Role of Nutrition Labels and Preference Elicitation Methods in Food Recommendation. IntRS@RecSys Alain Starke, Ayoub El Majjodi, Christoph Trattner
2022	—	`ch.`	Food Recommender Systems. Recommender Systems Handbook David Elsweiler, Hanna Hauptmann, Christoph Trattner
2022	—	`conf`	Mitigating Popularity Bias in Recommendation: Potential and Limits of Calibration Approaches. BIAS Anastasiia Klimashevskaia, Mehdi Elahi, Dietmar Jannach, Christoph Trattner, Lars Skjærven
2022	—	`conf`	Nudging Towards Health in a Conversational Food Recommender System Using Multi-Modal Interactions and Nutrition Labels. KaRS@RecSys Giovanni Castiglia, Ayoub El Majjodi, Federica Calò, Yashar Deldjoo, Fedelucio Narducci, Alain Starke, Christoph Trattner
2022	A	`conf`	Nudging Towards Health? Examining the Merits of Nutrition Labels and Personalization in a Recipe Recommender System. UMAP Ayoub El Majjodi, Alain D. Starke, Christoph Trattner
2022	J	`jnl`	Research directions in recommender systems for health and well-being. User Model. User Adapt. Interact. Hanna Hauptmann, Alan Said, Christoph Trattner
2022	J	`jnl`	Responsible media technology and AI: challenges and research directions. AI Ethics Christoph Trattner, Dietmar Jannach, Enrico Motta, Irene Costera Meijer, Nicholas Diakopoulos, Mehdi Elahi, Andreas L. Opdahl, Bjørnar Tessem, Njål Borch, Morten Fjeld, Lilja Øvrelid, Koenraad De Smedt, Hallvard Moe
2022	J	`jnl`	Towards responsible media recommendation. AI Ethics Mehdi Elahi, Dietmar Jannach, Lars Skjærven, Erik Knudsen, Helle Sjøvaag, Kristian Tolonen, Øyvind Holmstad, Igor Pipkin, Eivind Throndsen, Agnes Stenbom, Eivind Fiskerud, Adrian Oesch, Loek Vredenberg, Christoph Trattner
2021	A	`conf`	"Serving Each User": Supporting Different Eating Goals Through a Multi-List Recommender Interface. RecSys Alain Starke, Edis Asotic, Christoph Trattner
2021	—	`conf`	Changing Salty Food Preferences with Visual and Textual Explanations in a Search Interface. IUI Workshops Arngeir Berge, Vegard Velle Sjøen, Alain Starke, Christoph Trattner
2021	J	`jnl`	Changing Salty Food Preferences with Visual and Textual Explanations in a Search Interface. CoRR Arngeir Berge, Vegard Velle Sjøen, Alain D. Starke, Christoph Trattner
2021	J	`jnl`	Developing and Evaluating a University Recommender System. Frontiers Artif. Intell. Mehdi Elahi, Alain Starke, Nabil El Ioini, Anna Alexander Lambrix, Christoph Trattner
2021	A	`conf`	Exploring Multi-List User Interfaces for Similar-Item Recommendations. UMAP Dietmar Jannach, Mathias Jesse, Michael Jugovac, Christoph Trattner
2021	A	`conf`	Exploring the Effects of Natural Language Justifications in Food Recommender Systems. UMAP Cataldo Musto, Alain D. Starke, Christoph Trattner, Amon Rapp, Giovanni Semeraro
2021	—	`conf`	Hybrid Recommendation of Movies Based on Deep Content Features. ICSOC Workshops Tord Kvifte, Mehdi Elahi, Christoph Trattner
2021	J	`jnl`	Nudging Healthy Choices in Food Search Through Visual Attractiveness. Frontiers Artif. Intell. Alain D. Starke, Martijn C. Willemsen, Christoph Trattner
2021	—	`conf`	Predicting Feature-based Similarity in the News Domain Using Human Judgments. INRA@RecSys Alain D. Starke, Sebastian Øverhaug, Christoph Trattner
2021	—	`conf`	Promoting Healthy Food Choices Online: A Case for Multi-List Recommender Systems. IUI Workshops Alain D. Starke, Christoph Trattner
2021	J	`jnl`	Recommender systems in the healthcare domain: state-of-the-art and research issues. J. Intell. Inf. Syst. Thi Ngoc Trang Tran, Alexander Felfernig, Christoph Trattner, Andreas Holzinger
2021	—	`conf`	Recommending Videos in Cold Start With Automatic Visual Tags. UMAP (Adjunct Publication) Mehdi Elahi, Farshad Bakhshandegan Moghaddam, Reza Hosseini, Mohammad Hossein Rimaz, Nabil El Ioini, Marko Tkalcic, Christoph Trattner, Tammam Tillo
2021	—	`conf`	The Cholesterol Factor: Balancing Accuracy and Health in Recipe Recommendation Through a Nutrient-Specific Metric. MORS@RecSys Alain Starke, Christoph Trattner, Hedda Bakken, Martin Johannessen, Vegard Solberg
2020	J	`jnl`	A Roadmap to User-Controllable Social Exploratory Search. ACM Trans. Interact. Intell. Syst. Cecilia di Sciascio, Peter Brusilovsky, Christoph Trattner, Eduardo E. Veas
2020	A	`conf`	Fifth International Workshop on Health Recommender Systems (HealthRecSys 2020). RecSys Alan Said, Hanna Schäfer, Helma Torkamaan, Christoph Trattner
2020	J	`jnl`	Learning to recommend similar items from human judgments. User Model. User Adapt. Interact. Christoph Trattner, Dietmar Jannach
2020	—	`ed.`	Proceedings of the 5th International Workshop on Health Recommender Systems co-located with the 14th ACM Conference on Recommender Systems 2020 (RecSys 2020), Online, Worldwide, September 26, 2020. HealthRecSys@RecSys Alan Said, Hanna Schäfer, Helma Torkamaan, Christoph Trattner
2020	—	`conf`	Towards Generating Personalized Country Recommendation. UMAP (Adjunct Publication) Ayoub El Majjodi, Mehdi Elahi, Nabil El Ioini, Christoph Trattner
2020	A	`conf`	Towards a Knowledge-aware Food Recommender System Exploiting Holistic User Models. UMAP Cataldo Musto, Christoph Trattner, Alain Starke, Giovanni Semeraro
2020	J	`jnl`	Using Natural Language Processing and Artificial Intelligence to Explore the Nutrition and Sustainability of Recipes and Food. Frontiers Artif. Intell. Marieke van Erp, Christian Reynolds, Diana Maynard, Alain Starke, Rebeca Ibáñez Martín, Frédéric Andrès, Maria C. A. Leite, Damien Alvarez de Toledo, Ximena Schmidt Rivera, Christoph Trattner, Steven Brewer, Carla Adriano Martins, Alana Kluczkovski, Angelina Frankowska, Sarah Bridle, Renata Bertazzi Levy, Fernanda Rauber, Jacqueline Tereza da Silva, Ulbe Bosma
2020	—	`conf`	Visually-Aware Video Recommendation in the Cold Start. HT Mehdi Elahi, Reza Hosseini, Mohammad Hossein Rimaz, Farshad Bakhshandegan Moghaddam, Christoph Trattner
2019	—	`conf`	An Evaluation of Recommendation Algorithms for Online Recipe Portals. HealthRecSys@RecSys Christoph Trattner, David Elsweiler
2019	—	`ed.`	Behavioral Analytics in Social and Ubiquitous Environments - 6th International Workshop on Mining Ubiquitous and Social Environments, MUSE 2015, Porto, Portugal, September 7, 2015; 6th International Workshop on Modeling Social Media, MSM 2015, Florence, Italy, May 19, 2015; 7th International Workshop on Modeling Social Media, MSM 2016, Montreal, QC, Canada, April 12, 2016; Revised Selected Papers MSM@WWW,MUSE@PKDD/ECML Martin Atzmueller, Alvin Chin, Florian Lemmerich, Christoph Trattner
2019	J	`jnl`	Content-based artwork recommendation: integrating painting metadata with neural and manually-engineered visual features. User Model. User Adapt. Interact. Pablo Messina, Vicente Dominguez, Denis Parra, Christoph Trattner, Alvaro Soto
2019	A	`conf`	Exploring the Power of Visual Features for the Recommendation of Movies. UMAP Mohammad Hossein Rimaz, Mehdi Elahi, Farshad Bakhshandegan Moghaddam, Christoph Trattner, Reza Hosseini, Marko Tkalcic
2019	A	`conf`	Fourth international workshop on health recommender systems (HealthRecSys 2019). RecSys David Elsweiler, Bernd Ludwig, Alan Said, Hanna Schäfer, Helma Torkamaan, Christoph Trattner
2019	J	`jnl`	Investigating and predicting online food recipe upload behavior. Inf. Process. Manag. Christoph Trattner, Tomasz Kusmierczyk, Kjetil Nørvåg
2019	—	`ed.`	Joint Proceedings of the ACM IUI 2019 Workshops co-located with the 24th ACM Conference on Intelligent User Interfaces (ACM IUI 2019), Los Angeles, USA, March 20, 2019. IUI Workshops Christoph Trattner, Denis Parra, Nathalie Riche
2019	—	`conf`	Online Food Recommendations: A Complex Problem? ComplexRec@RecSys Christoph Trattner
2019	—	`conf`	Predicting Movie Popularity and Ratings with Visual Features. SMAP Farshad Bakhshandegan Moghaddam, Mehdi Elahi, Reza Hosseini, Christoph Trattner, Marko Tkalcic
2019	J	`jnl`	Predicting trading interactions in an online marketplace through location-based and online social networks. Inf. Retr. J. Lukas Eberhard, Christoph Trattner, Martin Atzmueller
2019	—	`ed.`	Proceedings of the 4th International Workshop on Health Recommender Systems co-located with the 13th ACM Conference on Recommender Systems 2019 (RecSys 2019), Copenhagen, Denmark, September 20, 2019. HealthRecSys@RecSys David Elsweiler, Bernd Ludwig, Alan Said, Hanna Schäfer, Helma Torkamaan, Christoph Trattner
2019	J	`jnl`	Tag-based information access in image collections: insights from log and eye-gaze analyses. Knowl. Inf. Syst. Yi-Ling Lin, Denis Parra, Christoph Trattner, Peter Brusilovsky
2019	A	`conf`	Understanding Cross-Cultural Visual Food Tastes with Online Recipe Platforms. ICWSM Qing Zhang, Christoph Trattner, Bernd Ludwig, David Elsweiler
2018	J	`jnl`	ACM RecSys 2018 Late-Breaking Results Proceedings. CoRR Christoph Trattner, Vanessa Murdock, Steven Chang
2018	A	`conf`	ACM recsys'18 late-breaking results (posters). RecSys Christoph Trattner, Vanessa Murdock, Shuo Chang
2018	—	`ch.`	Food Recommendations. Collaborative Recommendations Christoph Trattner, David Elsweiler
2018	—	`conf`	Healthy Menus Recommendation: Optimizing the Use of the Pantry. HealthRecSys@RecSys Jefferson Emanuel Caldeira Da Silva, Ricardo S. Oliveira, Leandro Balby Marinho, Christoph Trattner
2018	—	`conf`	International Workshop on Modeling Social Media (MSM 2018) Chairs' Welcome & Organization. WWW (Companion Volume) Martin Atzmueller, Alvin Chin, Christoph Trattner
2018	J	`jnl`	Investigating the utility of the weather context for point of interest recommendations. J. Inf. Technol. Tour. Christoph Trattner, Alexander Oberegger, Leandro Balby Marinho, Denis Parra
2018	J	`jnl`	On the predictability of the popularity of online recipes. EPJ Data Sci. Christoph Trattner, Dominik Moesslang, David Elsweiler
2018	—	`ed.`	Proceedings of the 3rd International Workshop on Health Recommender Systems, HealthRecSys 2018, co-located with the 12th ACM Conference on Recommender Systems (ACM RecSys 2018), Vancouver, BC, Canada, October 6, 2018. HealthRecSys@RecSys David Elsweiler, Bernd Ludwig, Alan Said, Hanna Schäfer, Helma Torkamaan, Christoph Trattner
2018	—	`ch.`	Tag Clouds. Encyclopedia of Social Network Analysis and Mining. 2nd Ed. Christoph Trattner, Denis Helic, Markus Strohmaier
2018	A	`conf`	The Impact of Recipe Features, Social Cues and Demographics on Estimating the Healthiness of Online Recipes. ICWSM Markus Rokicki, Christoph Trattner, Eelco Herder
2018	A	`conf`	Third international workshop on health recommender systems (healthrecsys 2018). RecSys David Elsweiler, Bernd Ludwig, Alan Said, Hanna Schäfer, Helma Torkamaan, Christoph Trattner
2018	—	`conf`	Towards Explanations for Visual Recommender Systems of Artistic Images. IntRS@RecSys Vicente Dominguez, Pablo Messina, Christoph Trattner, Denis Parra
2017	—	`conf`	Comparing Neural and Attractiveness-based Visual Features for Artwork Recommendation. DLRS@RecSys Vicente Dominguez, Pablo Messina, Denis Parra, Domingo Mery, Christoph Trattner, Alvaro Soto
2017	J	`jnl`	Comparing Neural and Attractiveness-based Visual Features for Artwork Recommendation. CoRR Vicente Dominguez, Pablo Messina, Denis Parra, Domingo Mery, Christoph Trattner, Alvaro Soto
2017	A*	`conf`	Exploiting Food Choice Biases for Healthier Recipe Recommendation. SIGIR David Elsweiler, Christoph Trattner, Morgan Harvey
2017	J	`jnl`	Exploring Content-based Artwork Recommendation with Metadata and Visual Features. CoRR Pablo Messina, Vicente Dominguez, Denis Parra, Christoph Trattner, Alvaro Soto
2017	J	`jnl`	Food Recommender Systems: Important Contributions, Challenges and Future Research Directions. CoRR Christoph Trattner, David Elsweiler
2017	A	`conf`	How Editorial, Temporal and Social Biases Affect Online Food Popularity and Appreciation. ICWSM Markus Rokicki, Eelco Herder, Christoph Trattner
2017	A*	`conf`	Investigating the Healthiness of Internet-Sourced Recipes: Implications for Meal Planning and Recommender Systems. WWW Christoph Trattner, David Elsweiler
2017	—	`conf`	On the Relations Between Cooking Interests, Hobbies and Nutritional Values of Online Recipes: Implications for Health-Aware Recipe Recommender Systems. UMAP (Adjunct Publication) Christoph Trattner, Markus Rokicki, Eelco Herder
2017	—	`ed.`	Proceedings of the 2nd International Workshop on Health Recommender Systems co-located with the 11th International Conference on Recommender Systems (RecSys 2017), Como, Italy, August 31, 2017. HealthRecSys@RecSys David Elsweiler, Santiago Hors-Fraile, Bernd Ludwig, Alan Said, Hanna Schäfer, Christoph Trattner, Helma Torkamaan, André Calero Valdez
2017	A	`conf`	Second Workshop on Health Recommender Systems: (HealthRecSys 2017). RecSys David Elsweiler, Santiago Hors-Fraile, Bernd Ludwig, Alan Said, Hanna Schäfer, Christoph Trattner, Helma Torkamaan, André Calero Valdez
2017	—	`conf`	TCNSVD: A Temporal and Community-Aware Recommender Approach. RecTemp@RecSys Mohsen Shahriari, Martin Barth, Ralf Klamma, Christoph Trattner
2017	—	`conf`	Tags, Titles or Q&As?: Choosing Content Descriptors for Visual Recommender Systems. HT Belgin Mutlu, Eduardo E. Veas, Christoph Trattner
2017	—	`conf`	Towards Health (Aware) Recommender Systems. DH Hanna Schäfer, Santiago Hors-Fraile, Raghav Pavan Karumur, André Calero Valdez, Alan Said, Helma Torkamaan, Tom Ulmer, Christoph Trattner
2016	—	`ed.`	Big Data Analytics in the Social and Ubiquitous Context - 5th International Workshop on Modeling Social Media, MSM 2014, 5th International Workshop on Mining Ubiquitous and Social Environments, MUSE 2014, and First International Workshop on Machine Learning for Urban Sensor Data, SenseML 2014, Revised Selected Papers MSM/MUSE/SenseML Martin Atzmueller, Alvin Chin, Frederik Janssen, Immanuel Schweizer, Christoph Trattner
2016	A	`conf`	Engendering Health with Recommender Systems. RecSys David Elsweiler, Bernd Ludwig, Alan Said, Hanna Schäfer, Christoph Trattner
2016	J	`jnl`	FOODWEB - Studying Food Consumption and Production Patterns on the Web. ERCIM News Christoph Trattner, Tomasz Kusmierczyk, Kjetil Nørvåg
2016	J	`jnl`	Modeling Activation Processes in Human Memory to Predict the Use of Tags in Social Bookmarking Systems. J. Web Sci. Christoph Trattner, Dominik Kowald, Paul Seitlinger, Tobias Ley, Simone Kopeinik
2016	A	`conf`	Plate and Prejudice: Gender Differences in Online Cooking. UMAP Markus Rokicki, Eelco Herder, Tomasz Kusmierczyk, Christoph Trattner
2016	—	`conf`	Recommending Sellers to Buyers in Virtual Marketplaces Leveraging Social Information. WWW (Companion Volume) Lukas Eberhard, Christoph Trattner
2016	J	`jnl`	Twitter in academic events: A study of temporal usage, communication, sentimental and topical patterns in 16 Computer Science conferences. Comput. Commun. Denis Parra, Christoph Trattner, Diego Gómez, Matías Hurtado, Xidao Wen, Yu-Ru Lin
2016	—	`conf`	Understanding and Predicting Online Food Recipe Production Patterns. HT Tomasz Kusmierczyk, Christoph Trattner, Kjetil Nørvåg
2016	—	`conf`	Understanding the Impact of Weather for POI Recommendations. RecTour@RecSys Christoph Trattner, Alexander Oberegger, Lukas Eberhard, Denis Parra, Leandro Balby Marinho
2016	J	`jnl`	VizRec: Recommending Personalized Visualizations. ACM Trans. Interact. Intell. Syst. Belgin Mutlu, Eduardo E. Veas, Christoph Trattner
2015	A	`conf`	Are Real-World Place Recommender Algorithms Useful in Virtual World Environments? RecSys Leandro Balby Marinho, Christoph Trattner, Denis Parra
2015	J	`jnl`	Detecting partnership in location-based and online social networks. Soc. Netw. Anal. Min. Christoph Trattner, Michael Steurer
2015	A	`conf`	Good Times Bad Times: A Study on Recency Effects in Collaborative Filtering for Social Tagging. RecSys Santiago Larrain, Christoph Trattner, Denis Parra, Eduardo Graells-Garrido, Kjetil Nørvåg
2015	—	`conf`	Language, Twitter and Academic Conferences. HT Ruth Olimpia Garcia Gavilanes, Diego Gomez, Denis Parra-Santander, Christoph Trattner, Andreas Kaltenbrunner, Eduardo Graells
2015	J	`jnl`	Language, Twitter and Academic Conferences. CoRR Ruth Olimpia Garcia Gavilanes, Diego Gómez, Denis Parra, Christoph Trattner, Andreas Kaltenbrunner, Eduardo Graells-Garrido
2015	—	`ed.`	Mining, Modeling, and Recommending 'Things' in Social Media - 4th International Workshops, MUSE 2013, Prague, Czech Republic, September 23, 2013, and MSM 2013, Paris, France, May 1, 2013, Revised Selected Papers MSM/MUSE Martin Atzmueller, Alvin Chin, Christoph Scholz, Christoph Trattner
2015	—	`ed.`	Proceedings of the International Workshop on Social Personalisation & Search, SPS 2015, co-located with the 38th Annual ACM SIGIR Conference (SIGIR 2015), Santiago de Chile, Chile, August 9-13, 2015. SPS@SIGIR Christoph Trattner, Denis Parra, Peter Brusilovsky, Leandro Balby Marinho
2015	J	`jnl`	Report on the SIGIR 2015 Workshop on Social Personalization and Search. SIGIR Forum Christoph Trattner, Denis Parra, Peter Brusilovsky, Leandro Balby Marinho
2015	A*	`conf`	SPS'15: 2015 International Workshop on Social Personalization & Search. SIGIR Christoph Trattner, Denis Parra, Peter Brusilovsky, Leandro Balby Marinho
2015	J	`jnl`	TagRec: towards a toolkit for reproducible evaluation and development of tag-based recommender algorithms. SIGWEB Newsl. Christoph Trattner, Dominik Kowald, Emanuel Lacic
2015	—	`conf`	Temporal Patterns in Online Food Innovation. WWW (Companion Volume) Tomasz Kusmierczyk, Christoph Trattner, Kjetil Nørvåg
2015	—	`conf`	Temporality in Online Food Recipe Consumption and Production. WWW (Companion Volume) Tomasz Kusmierczyk, Christoph Trattner, Kjetil Nørvåg
2015	J	`jnl`	The impact of image descriptions on user tagging behavior: A study of the nature and functionality of crowdsourced tags. J. Assoc. Inf. Sci. Technol. Yi-Ling Lin, Christoph Trattner, Peter Brusilovsky, Daqing He
2015	A	`conf`	Towards a Recommender Engine for Personalized Visualizations. UMAP Belgin Mutlu, Eduardo E. Veas, Christoph Trattner, Vedran Sabol
2015	—	`conf`	VizRec: A Two-Stage Recommender System for Personalized Visualizations. IUI Companion Belgin Mutlu, Eduardo E. Veas, Christoph Trattner, Vedran Sabol
2014	J	`jnl`	Forgetting the Words but Remembering the Meaning: Modeling Forgetting in a Verbal and Semantic Tag Recommender. CoRR Dominik Kowald, Paul Seitlinger, Christoph Trattner, Tobias Ley
2014	—	`conf`	How groups of people interact with each other on Twitter during academic conferences. CSCW Companion Xidao Wen, Denis Parra, Christoph Trattner
2014	—	`ed.`	Hypertext 2014 Extended Proceedings: Late-breaking Results, Doctoral Consortium and Workshop Proceedings of the 25th ACM Hypertext and Social Media Conference (Hypertext 2014), Santiago, Chile, September 1-4, 2014. HT (Doctoral Consortium / Late-breaking Results / Workshops) Federica Cena, Altigran Soares da Silva, Christoph Trattner
2014	—	`conf`	Long time no see: the probability of reusing tags as a function of frequency and recency. WWW (Companion Volume) Dominik Kowald, Paul Seitlinger, Christoph Trattner, Tobias Ley
2014	B	`conf`	Making Sense of Bits and Pieces: A Sensemaking Tool for Informal Workplace Learning. EC-TEL Sebastian Dennerlein, Matthias Rella, Vladimir Tomberg, Dieter Theiler, Tamsin Treasure-Jones, Micky Kerr, Tobias Ley, Mohammad Al-Smadi, Christoph Trattner
2014	J	`jnl`	Recommending Items in Social Tagging Systems Using Tag and Time Information. CoRR Emanuel Lacic, Dominik Kowald, Paul Seitlinger, Christoph Trattner, Denis Parra
2014	—	`conf`	Recommending Items in Social Tagging Systems Using Tag and Time Informations. HT (Doctoral Consortium / Late-breaking Results / Workshops) Emanuel Lacic, Dominik Kowald, Paul Seitlinger, Christoph Trattner, Denis Parra
2014	J	`jnl`	Scaling informal learning at the workplace: A model and four designs from a large-scale design-based research effort. Br. J. Educ. Technol. Tobias Ley, John Cook, Sebastian Dennerlein, Milos Kravcik, Christine Kunzmann, Kai Pata, Jukka Purma, John Sandars, Patricia Santos, Andreas P. Schmidt, Mohammad Al-Smadi, Christoph Trattner
2014	A	`conf`	See what you want to see: visual user-driven approach for hybrid recommendation. IUI Denis Parra, Peter Brusilovsky, Christoph Trattner
2014	J	`jnl`	SocRecM: A Scalable Social Recommender Engine for Online Marketplaces. CoRR Emanuel Lacic, Dominik Kowald, Christoph Trattner
2014	—	`conf`	SocRecM: a scalable social recommender engine for online marketplaces. HT Emanuel Lacic, Dominik Kowald, Christoph Trattner
2014	—	`ch.`	Tag Clouds. Encyclopedia of Social Network Analysis and Mining Christoph Trattner, Denis Helic, Markus Strohmaier
2014	—	`conf`	TagRec: towards a standardized tag recommender benchmarking framework. HT Dominik Kowald, Emanuel Lacic, Christoph Trattner
2014	—	`conf`	Towards a scalable social recommender engine for online marketplaces: the case of apache solr. WWW (Companion Volume) Emanuel Lacic, Dominik Kowald, Denis Parra, Martin Kahr, Christoph Trattner
2014	J	`jnl`	Twitter in Academic Conferences: Usage, Networking and Participation over Time. CoRR Xidao Wen, Yu-Ru Lin, Christoph Trattner, Denis Parra
2014	—	`conf`	Twitter in academic conferences: usage, networking and participation over time. HT Xidao Wen, Yu-Ru Lin, Christoph Trattner, Denis Parra
2014	J	`jnl`	Utilizing Online Social Network and Location-Based Data to Recommend Items in an Online Marketplace. CoRR Emanuel Lacic, Dominik Kowald, Lukas Eberhard, Christoph Trattner, Denis Parra, Leandro Balby Marinho
2014	—	`conf`	Who will trade with whom?: predicting buyer-seller interactions in online trading platforms through social networks. WWW (Companion Volume) Christoph Trattner, Denis Parra, Lukas Eberhard, Xidao Wen
2013	B	`conf`	Acquaintance or partner?: predicting partnership in online and location-based social networks. ASONAM Michael Steurer, Christoph Trattner
2013	—	`conf`	Forgetting the Words but Remembering the Meaning: Modeling Forgetting in a Verbal and Semantic Tag Recommender. MSM/MUSE Dominik Kowald, Paul Seitlinger, Simone Kopeinik, Tobias Ley, Christoph Trattner
2013	J	`jnl`	Long Time No See: The Probability of Reusing Tags as a Function of Frequency and Recency. CoRR Dominik Kowald, Paul Seitlinger, Christoph Trattner, Tobias Ley
2013	—	`conf`	Predicting interactions in online social networks: an experiment in Second Life. MSM Michael Steurer, Christoph Trattner
2013	—	`ed.`	Proceedings of the 4th International Workshop on Modeling Social Media, MSM '13, Paris, France, May 1, 2013 MSM Martin Atzmueller, Alvin Chin, Christoph Trattner
2013	A	`conf`	Recommending tags with a model of human categorization. CIKM Paul Seitlinger, Dominik Kowald, Christoph Trattner, Tobias Ley
2013	—	`conf`	Refining Frequency-Based Tag Reuse Predictions by Means of Time and Semantic Context. MSM/MUSE Dominik Kowald, Simone Kopeinik, Paul Seitlinger, Tobias Ley, Dietrich Albert, Christoph Trattner
2013	J	`jnl`	Social stream marketing on Facebook: a case study. Int. J. Soc. Humanist. Comput. Christoph Trattner, Frank Kappe
2013	J	`jnl`	The 24th ACM Conference on Hypertext and Social Media (HT2013): a personal review. SIGWEB Newsl. Christoph Trattner
2013	—	`conf`	The Social Semantic Server - A Framework to Provide Services on Social Semantic Network Data. I-SEMANTICS (Posters & Demos) Dominik Kowald, Sebastian Dennerlein, Dieter Theiler, Simon Walk, Christoph Trattner
2013	—	`conf`	Utilizing Online Social Network and Location-Based Data to Recommend Products and Categories in Online Marketplaces. MSM/MUSE Emanuel Lacic, Dominik Kowald, Lukas Eberhard, Christoph Trattner, Denis Parra, Leandro Balby Marinho
2012	—	`conf`	Evaluating tag-based information access in image collections. HT Christoph Trattner, Yi-Ling Lin, Denis Parra, Zhen Yue, William Real, Peter Brusilovsky
2012	—	`conf`	Exploring the differences and similarities between hierarchical decentralized search and human navigation in information networks. I-KNOW Christoph Trattner, Denis Helic, Philipp Singer, Markus Strohmaier
2012	—	`conf`	Navigational efficiency of broad vs. narrow folksonomies. HT Denis Helic, Christian Körner, Michael Granitzer, Markus Strohmaier, Christoph Trattner
2012	—	`conf`	Success factors of events in virtual worlds a case study in Second Life. NetGames Michael Steurer, Christoph Trattner, Frank Kappe
2012	—	`conf`	Who will Interact with Whom? A Case-Study in Second Life Using Online Social Network and Location-Based Social Network Features to Predict Interactions between Users. MSM/MUSE Michael Steurer, Christoph Trattner
2011	J	`jnl`	Are tag clouds useful for navigation? A network-theoretic analysis. Int. J. Soc. Comput. Cyber Phys. Syst. Denis Helic, Christoph Trattner, Markus Strohmaier, Keith Andrews
2011	—	`conf`	Enhancing the navigability of social tagging systems with tag taxonomies. I-KNOW Christoph Trattner, Christian Körner, Denis Helic
2011	J	`jnl`	Improving the Navigability of Tagging Systems with Hierarchically Constructed Resource Lists and Tag Trails. J. Comput. Inf. Technol. Christoph Trattner
2011	B	`conf`	NAVTAG - A Network-Theoretic Framework to Assess and Improve the Navigability of Tagging Systems. ICWE Christoph Trattner
2011	J	`jnl`	On the Construction of Efficiently Navigable Tag Clouds Using Knowledge from Structured Web Content. J. Univers. Comput. Sci. Christoph Trattner, Denis Helic, Markus Strohmaier
2011	A*	`conf`	Pragmatic evaluation of folksonomies. WWW Denis Helic, Markus Strohmaier, Christoph Trattner, Markus Muhr, Kristina Lerman
2010	B	`conf`	Linking Related Documents: Combining Tag Clouds and Search Queries. ICWE Christoph Trattner, Denis Helic
2010	—	`conf`	On the Navigability of Social Tagging Systems. SocialCom/PASSAT Denis Helic, Christoph Trattner, Markus Strohmaier, Keith Andrews
2010	—	`conf`	Socializing virtual worlds with Facebook: a prototypical implementation of an expansion pack to communicate between Facebook and OpenSimulator based virtual worlds. MindTrek Christoph Trattner, Michael Erwin Steurer, Frank Kappe
2010	—	`conf`	The Austrian way of Wiki(pedia)!: development of a structured Wiki-based encyclopedia within a local Austrian context. Int. Sym. Wikis Christoph Trattner, Ilire Hasani-Mavriqi, Denis Helic, Helmut Leitner