activity
20192022
most citedPrincipled Multi-Aspect Evaluation Measures of Rankings

25 citations · 39 across the 7 of their papers we have counts for

collaborators

8 papers

cs.IR202225 cited

Principled Multi-Aspect Evaluation Measures of Rankings

Maria Maistro, Lucas Chaves Lima, Jakob Grue Simonsen +1

Information Retrieval evaluation has traditionally focused on defining principled ways of assessing the relevance of a ranked list of documents with respect to a query. Several met…

cs.IR2021

Topic Model Robustness to Automatic Speech Recognition Errors in Podcast Transcripts

Raluca Alexandra Fetic, Mikkel Jordahn, Lucas Chaves Lima +4

For a multilingual podcast streaming service, it is critical to be able to deliver relevant content to all users independent of language. Podcast content relevance is conventionall…

cs.CL2021

Automatic Fake News Detection: Are Models Learning to Reason?

Casper Hansen, Christian Hansen, Lucas Chaves Lima

Most fact checking models for automatic fake news detection are based on reasoning: given a claim with associated evidence, the models aim to estimate the claim veracity based on t…

cs.IR20211 cited

University of Copenhagen Participation in TREC Health Misinformation Track 2020

Lucas Chaves Lima, Dustin Brandon Wright, Isabelle Augenstein +1

In this paper, we describe our participation in the TREC Health Misinformation Track 2020. We submitted runs to the Total Recall Task and 13 runs to the Ad Hoc task. Our appro…

cs.CL2020

Multi-Head Self-Attention with Role-Guided Masks

Dongsheng Wang, Casper Hansen, Lucas Chaves Lima +4

The state of the art in learning meaningful semantic representations of words is the Transformer model and its attention mechanisms. Simply put, the attention mechanisms learn to a…

cs.IR20204 cited

Denmark's Participation in the Search Engine TREC COVID-19 Challenge: Lessons Learned about Searching for Precise Biomedical Scientific Information on COVID-19

Lucas Chaves Lima, Casper Hansen, Christian Hansen +5

This report describes the participation of two Danish universities, University of Copenhagen and Aalborg University, in the international search engine competition on COVID-19 (the…