Christian Hansen


2021

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Shifting Consumption towards Diverse Content on Music Streaming Platforms
Christian Hansen | Rishabh Mehrotra | Casper Hansen | Brian Brost | Lucas Maystre | Mounia Lalmas
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021

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Unsupervised Multi-Index Semantic Hashing
Christian Hansen | Casper Hansen | Jakob Grue Simonsen | Stephen Alstrup | Christina Lioma
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021

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Projected Hamming Dissimilarity for Bit-Level Importance Coding in Collaborative Filtering
Christian Hansen | Casper Hansen | Jakob Grue Simonsen | Christina Lioma
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021

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Multi-head Self-attention with Role-Guided Masks
Dongsheng Wang | Casper Hansen | Lucas Chaves Lima | Christian Hansen | Maria Maistro | Jakob Grue Simonsen | Christina Lioma
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

2020

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Factuality Checking in News Headlines with Eye Tracking
Christian Hansen | Casper Hansen | Jakob Grue Simonsen | Birger Larsen | Stephen Alstrup | Christina Lioma
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Unsupervised Semantic Hashing with Pairwise Reconstruction
Casper Hansen | Christian Hansen | Jakob Grue Simonsen | Stephen Alstrup | Christina Lioma
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Content-aware Neural Hashing for Cold-start Recommendation
Casper Hansen | Christian Hansen | Jakob Grue Simonsen | Stephen Alstrup | Christina Lioma
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Fact Check-Worthiness Detection with Contrastive Ranking
Casper Hansen | Christian Hansen | Jakob Grue Simonsen | Christina Lioma
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 11th International Conference of the CLEF Association, CLEF 2020, Thessaloniki, Greece, September 22-25, 2020, Proceedings

2019

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Contextually Propagated Term Weights for Document Representation
Casper Hansen | Christian Hansen | Stephen Alstrup | Jakob Grue Simonsen | Christina Lioma
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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Unsupervised Neural Generative Semantic Hashing
Casper Hansen | Christian Hansen | Jakob Grue Simonsen | Stephen Alstrup | Christina Lioma
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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Neural Weakly Supervised Fact Check-Worthiness Detection with Contrastive Sampling-Based Ranking Loss
Casper Hansen | Christian Hansen | Jakob Grue Simonsen | Christina Lioma
Working Notes of CLEF 2019 - Conference and Labs of the Evaluation Forum, Lugano, Switzerland, September 9-12, 2019

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Neural Check-Worthiness Ranking with Weak Supervision: Finding Sentences for Fact-Checking
Casper Hansen | Christian Hansen | Stephen Alstrup | Jakob Grue Simonsen | Christina Lioma
Companion of The 2019 World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

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The Copenhagen Team Participation in the Check-Worthiness Task of the Competition of Automatic Identification and Verification of Claims in Political Debates of the CLEF-2018 CheckThat! Lab
Casper Hansen | Christian Hansen | Jakob Grue Simonsen | Christina Lioma
Working Notes of CLEF 2018 - Conference and Labs of the Evaluation Forum, Avignon, France, September 10-14, 2018

2017

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Smart City Analytics: Ensemble-Learned Prediction of Citizen Home Care
Casper Hansen | Christian Hansen | Stephen Alstrup | Christina Lioma
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017