Conference Papers
- Do Embeddings Actually Capture Knowledge Graph Semantics?. Nitisha Jain, Jan-Christoph Kalo, Wolf-Tilo Balke, Ralf Krestel. In: Proceedings of the Extended Semantic Web Conference (ESWC 2021), Online, June 6-10, 2021. (Acceptance rate 29%)
- Robust Visualisation of Dynamic Text Collections: Measuring and Comparing Dimensionality Reduction Algorithms. Tim Repke and Ralf Krestel. In: Proceedings of the SIGIR Conference on Human Information Interaction and Retrieval (CHIIR 2021), Online, March 14-19, 2020. (Acceptance rate 50%)
- HyCoNN: Hybrid Cooperative Neural Networks for Personalized News Discussion Recommendation. Julian Risch, Viktor Künstler, Ralf Krestel. In: Proceedings of the IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI 2020), Melbourne, Australia, December 14-17, 2020. (Acceptance rate 25%)
- A Dataset of Journalists' Interactions With Their Readership: When Should Article Authors Reply to Reader Comments?. Julian Risch and Ralf Krestel. In: Proceedings of the 29th ACM International Conference on Information and Knowledge Management (CIKM 2020), Galway, Ireland, October 19-22, 2020. (Acceptance rate 35%)
- Dynamic Channel and Layer Gating in Convolutional Neural Networks. Ali Ehteshami Bejnordi and Ralf Krestel. In: Proceedings of the 43rd German Conference on Artificial Intelligence (KI 2020), Bamberg, Germany, September 21-25, 2020. (Acceptance rate 27%)
- Top Comment or Flop Comment? Predicting and Explaining User Engagement in Online News Discussions. Julian Risch, Ralf Krestel. In: Proceedings of the International AAAI Conference on Web and Social Media (ICWSM 2020), Atlanta, Georgia, USA, June 8-11, 2020. (Acceptance rate 17%)
- Hierarchical Document Classification as a Sequence Generation Task. Julian Risch, Samuele Garda, Ralf Krestel. In: Proceedings of the Joint Conference on Digital Libraries (JCDL 2020), Xi'an, China, August 1-5, 2020. (Acceptance rate 31%)
- Visualising Large Document Collections by Jointly Modeling Text and Network Structure. Tim Repke, Ralf Krestel. In: Proceedings of the Joint Conference on Digital Libraries (JCDL 2020), Xi'an, China, August 1-5, 2020. (Acceptance rate 31%) (Nominated for Best Student Paper Award)
- Who is Mona L.? Identifying Mentions of Artworks in Historical Archives. Nitisha Jain, Ralf Krestel. In: Proceedings of the 23rd International Conference On Theory and Practice of Digital Libraries (TPDL 2019), Oslo, Norway, September 9-12, 2019.
- Book Recommendation Beyond the Usual Suspects: Embedding Book Plots Together with Place and Time Information. Julian Risch, Samuele Garda, Ralf Krestel. In: Proceedings of the 20th International Conference On Asia-Pacific Digital Libraries (ICADL 2018), Hamilton, New Zealand, November 19-22, 2018. (Acceptance rate 26%)(Best Paper Award)
- Learning Patent Speak: Investigating Domain-Specific Word Embeddings. Julian Risch, Ralf Krestel. In: Proceedings of the Thirteenth International Conference on Digital Information Management (ICDIM 2018), Berlin, Germany, September 24-26, 2018.
- My Approach = Your Apparatus? Entropy-Based Topic Modeling on Multiple Domain-Specific Text Collections. Julian Risch, Ralf Krestel. In: Joint Conference on Digital Libraries (JCDL 2018), Forth Worth, Texas, USA, June 3-6, 2018. (Acceptance rate 36%) (Nominated for Best Paper Award)
- WELDA: Enhancing Topic Models by Incorporating Local Word Context. Stefan Bunk, Ralf Krestel. In: Joint Conference on Digital Libraries (JCDL 2018), Forth Worth, Texas, USA, June 3-6, 2018. (Acceptance rate 36%)
- Prediction for the Newsroom: Which Articles Will Get the Most Comments?. Carl Ambroselli, Julian Risch, Ralf Krestel, Andreas Loos. In: 16th Annual Conference of the North American Chapter of the Association for Computational Linguistics, Volume 3: Industry Papers (NAACL 2018), New Orleans, Louisiana, USA, June 1-6, 2018. (Acceptance rate 30%)
- Bringing Back Structure to Free Text Email Conversations with Recurrent Neural Networks. Tim Repke, Ralf Krestel. In: 40th European Conference on Information Retrieval (ECIR 2018), Grenoble, France, March 26-29, 2018. (Acceptance rate 23%)
- Identifying Media Bias by Analyzing Reported Speech. Konstantina Lazaridou, Ralf Krestel, Felix Naumann. In: IEEE International Conference on Data Mining (ICDM 2017), New Orleans, USA, November 18-21, 2017. (Acceptance rate 19%)
- What Should I Cite? Cross-Collection Reference Recommendation of Patents and Papers. Julian Risch, Ralf Krestel. In: 21st International Conference on Theory and Practice of Digital Libraries (TPDL 2017), Thessaloniki, Greece, September 18-21, 2017. (Best Short Paper Award)
- Topic Shifts in StackOverflow: Ask it like Socrates. Toni Gruetze, Ralf Krestel, Felix Naumann. In: 21st International Conference on Applications of Natural Language to Information Systems (NLDB 2016), Manchester, UK, June 22-24, 2016. (Acceptance rate 19%)
- Online Temporal Summarization of News Events. Tobias Schubotz, Ralf Krestel. In: 2015 IEEE/WIC/ACM International Conference on Web Intelligence (WI 2015), Singapore, December 6-9, 2015. (Acceptance rate 28%)
- A Serendipity Model For News Recommendation. Maximilian Jenders, Thorben Lindhauer, Gjergji Kasneci, Ralf Krestel, Felix Naumann. In: KI 2015: Advances in Artificial Intelligence, 38th Annual German Conference on AI (KI 2015), Dresden, September 21-25, 2015.
- Recommending Patents based on Latent Topics. Ralf Krestel, Padhraic Smyth. In: Proceedings of the 2013 ACM Conference on Recommender Systems (RECSYS 2013), Hong Kong, October 12-16, 2013. (Accaptance rate 29%)
- Topic Cropping: Leveraging Latent Topics for the Analysis of Small Corpora. Nam Khanh Tran, Sergej Zerr, Kerstin Bischoff, Claudia Niederée, Ralf Krestel. In: 17th International Conference on Theory and Practice of Digital Libraries (TPDL 2013), Valletta, Malta, September 22-26, 2013. (Acceptance rate 23%)
- Generating Contextualized Sentiment Lexica based on Latent Topics and User Ratings. Ralf Krestel, Stefan Siersdorfer. In: 24th ACM Conference on Hypertext and Social Media (HT 2013), Paris, France, May 1-3, 2013. (Acceptance rate 16%)
- Diversifying Product Review Rankings: Getting the Full Picture. Ralf Krestel, Nima Dokoohaki. In: 2011 IEEE/WIC/ACM International Conference on Web Intelligence (WI 2011), Lyon, France, August 22-27, 2011. (Acceptance rate 20%) (Best Paper Award)
- Learning the Importance of Latent Topics to Discover Highly Influential News Items. Ralf Krestel, Bhaskar Mehta. In: KI 2010: Advances in Artificial Intelligence, 33rd Annual German Conference on AI (KI 2010), Karlsruhe, Germany, September 21-24, 2010. (Best Paper Award)
- Ranking Entities Using Web Search Query Logs. Bodo Billerbeck, Gianluca Demartini, Claudiu S. Firan, Tereza Iofciu, Ralf Krestel. In: Research and Advanced Technology for Digital Libraries, 14th European Conference (ECDL 2010), Glasgow, UK, September 6-10, 2010.
- Language Models & Topic Models for Personalizing Tag Recommendation. Ralf Krestel, Peter Fankhauser. In: 2010 IEEE/WIC/ACM International Conference on Web Intelligence (WI 2010), Toronto, Canada, August 31-September 3, 2010. (Acceptance rate 16%)
- Semantic Content Access using Domain-Independent NLP Ontologies. René Witte, Ralf Krestel. In: 15th International Conference on Applications of Natural Language to Information Systems (NLDB 2010), Cardiff, UK, June 23-25, 2010.
- An Architcure for finding Entities on the Web. Gianluca Demartini, Claudiu-S Firan, Mihai Georgescu, Tereza Iofciu, Ralf Krestel, Wolfgang Nejdl. In: 7th Latin American Web Congress (LA-WEB 2009), Mérida, Yucátan, México, 9-11 November, 2009. (Nominated for Best Paper Award)
- Latent Dirichlet Allocation for Tag Recommendation. Ralf Krestel, Peter Fankhauser, Wolfgang Nejdl. In: Proceedings of the 2009 ACM Conference on Recommender Systems (RECSYS 2009), New York City, New York, USA, October 23-25, 2009. (Acceptance rate 19%)
- Predicting News Story Importance using Language Features. Ralf Krestel, Bhaskar Mehta. In: 2008 IEEE/WIC/ACM International Conference on Web Intelligence (WI 2008), Sydney, Australia, December 9-12, 2008. (Acceptance rate 18%)
- The Art of Tagging: Measuring the Quality of Tags. Ralf Krestel, Ling Chen. In: The Semantic Web - ASWC 2008, Third Asian Semantic Web Conference, Bangkok, Thailand, February 2-5, 2009. (Acceptance rate 31%) (Nominated for Best Paper Award)
- A Model for Ranking Entities and Its Application to Wikipedia. Gianluca Demartini, Claudiu-S Firan, Tereza Iofciu, Ralf Krestel, Wolfgang Nejdl. In: 6th Latin American Web Congress (LA-WEB 2008), Vila Velha, Espirito Santo, Brasil, October 28-30, 2008.
- Minding the Source: Automatic Tagging of Reported Speech in Newspaper Articles. Ralf Krestel, René Witte, Sabine Bergler. In: Proceedings of the Sixth International Conference on Language Resources and Evaluation (LREC 2008), Marrakech, Morocco, May 28-30, 2008.
- Processing of Beliefs extracted from Reported Speech in Newspaper Articles. Ralf Krestel, René Witte, and Sabine Bergler. In: Proceedings of Recent Advances in Natural Language Processing (RANLP 2007), Borovets, Bulgaria, September 27–29, 2007. (Acceptance rate 11%)
- Creating a Fuzzy Believer to Model Human Newspaper Readers. Ralf Krestel, René Witte, and Sabine Bergler. In: Proceedings of the 20th Canadian Conference on Artificial Intelligence (CanadianAI 2007), LNAI 4509, pages 489-501, Montréal, Canada, May 28-30, 2007. (Acceptance rate 17%)