activity
20032021
most citedContent-aware Neural Hashing for Cold-start Recommendation

29 citations · 126 across the 20 of their papers we have counts for

collaborators

24 papers

cs.IR2021★ 8 cited

Unsupervised Multi-Index Semantic Hashing

Christian Hansen, Casper Hansen, Jakob Grue Simonsen +2

Semantic hashing represents documents as compact binary vectors (hash codes) and allows both efficient and effective similarity search in large-scale information retrieval. The sta…

cs.IR2020★ 15 cited

Unsupervised Semantic Hashing with Pairwise Reconstruction

Casper Hansen, Christian Hansen, Jakob Grue Simonsen +2

Semantic Hashing is a popular family of methods for efficient similarity search in large-scale datasets. In Semantic Hashing, documents are encoded as short binary vectors (i.e., h…

cs.HC2020★ 9 cited

Factuality Checking in News Headlines with Eye Tracking

Christian Hansen, Casper Hansen, Jakob Grue Simonsen +3

We study whether it is possible to infer if a news headline is true or false using only the movement of the human eyes when reading news headlines. Our study with 55 participants w…

cs.IR2020★ 29 cited

Content-aware Neural Hashing for Cold-start Recommendation

Casper Hansen, Christian Hansen, Jakob Grue Simonsen +2

Content-aware recommendation approaches are essential for providing meaningful recommendations for \textit{new} (i.e., \textit{cold-start}) items in a recommender system. We presen…

cs.CY2019

Modelling End-of-Session Actions in Educational Systems

Christian Hansen, Casper Hansen, Stephen Alstrup +1

In this paper we consider the problem of modelling when students end their session in an online mathematics educational system. Being able to model this accurately will help us opt…

cs.CY2019★ 6 cited

Tracking Behavioral Patterns among Students in an Online Educational System

Stephan Lorenzen, Niklas Hjuler, Stephen Alstrup

Analysis of log data generated by online educational systems is an essential task to better the educational systems and increase our understanding of how students learn. In this st…