Christoph Trattner

2025

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Evaluating Sequential Recommendations in the Wild: A Case Study on Offline Accuracy, Click Rates, and Consumption.
Anastasiia Klimashevskaia|Snorre Alvsvåg|Christoph Trattner|Alain D. Starke|Astrid Tessem|Dietmar Jannach
Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part II

2023

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Understanding and predicting cross-cultural food preferences with online recipe images.
Qing Zhang|David Elsweiler|Christoph Trattner
Information Processing and Management 2023 Volume 60 Issue 5

2019

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Predicting trading interactions in an online marketplace through location-based and online social networks.
Lukas Eberhard|Christoph Trattner|Martin Atzmueller
Discover Computing 2019 Volume 22 Issue 1-2
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Investigating and predicting online food recipe upload behavior.
Christoph Trattner|Tomasz Kusmierczyk|Kjetil Nørvåg
Information Processing and Management 2019 Volume 56 Issue 3

2018

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International Workshop on Modeling Social Media (MSM 2018) Chairs' Welcome & Organization.
Martin Atzmueller|Alvin Chin|Christoph Trattner
Companion Proceedings of the The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018

2017

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Exploiting Food Choice Biases for Healthier Recipe Recommendation.
David Elsweiler|Christoph Trattner|Morgan Harvey
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
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Investigating the Healthiness of Internet-Sourced Recipes: Implications for Meal Planning and Recommender Systems.
Christoph Trattner|David Elsweiler
Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017

2016

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Recommending Sellers to Buyers in Virtual Marketplaces Leveraging Social Information.
Lukas Eberhard|Christoph Trattner
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11-15, 2016, Companion Volume

2015

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Report on the SIGIR 2015 Workshop on Social Personalization and Search.
Christoph Trattner|Denis Parra|Peter Brusilovsky|Leandro Balby Marinho
SIGIR Forum 2015 Volume 49 Issue 2
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The impact of image descriptions on user tagging behavior: A study of the nature and functionality of crowdsourced tags.
Yi-Ling Lin|Christoph Trattner|Peter Brusilovsky|Daqing He
Journal of the Association for Information Science and Technology (JASIST) 2015 Volume 66 Issue 9
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SPS'15: 2015 International Workshop on Social Personalization & Search.
Christoph Trattner|Denis Parra|Peter Brusilovsky|Leandro Balby Marinho
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015
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Temporality in Online Food Recipe Consumption and Production.
Tomasz Kusmierczyk|Christoph Trattner|Kjetil Nørvåg
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume
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Temporal Patterns in Online Food Innovation.
Tomasz Kusmierczyk|Christoph Trattner|Kjetil Nørvåg
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2014

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Long time no see: the probability of reusing tags as a function of frequency and recency.
Dominik Kowald|Paul Seitlinger|Christoph Trattner|Tobias Ley
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume
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Towards a scalable social recommender engine for online marketplaces: the case of apache solr.
Emanuel Lacic|Dominik Kowald|Denis Parra|Martin Kahr|Christoph Trattner
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume
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Who will trade with whom?: predicting buyer-seller interactions in online trading platforms through social networks.
Christoph Trattner|Denis Parra|Lukas Eberhard|Xidao Wen
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume

2013

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Recommending tags with a model of human categorization.
Christoph Trattner|Qingyu Chen|Paul Seitlinger|Justin Zobel|Dominik Kowald|Tobias Ley|Christoph Trattner|Qingyu Chen|Justin Zobel|Tobias Ley
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

2011

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Pragmatic evaluation of folksonomies.
Denis Helic|Markus Strohmaier|Christoph Trattner|Markus Muhr|Kristina Lerman
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011