Publications

Articles published in conferences, journals, etc.

2025

Perceptual Evaluation of GANs and Diffusion Models for Generating X-rays
Schuit, G., Parra, D., & Besa, C.
In proceedings of the first HAIC workshop, co-located at the MICCAI conference
Personalized MRI-based characterization of subcortical anomalies in Ataxia-Telangiectasia using deep-learning
Saini C, Salazar-Vilches C, Blanchard CC, Whitehouse WP, Parra D, et al.
In proceedings of the first HAIC workshop, co-located at the MICCAI conference
Hybrid Framework for Automated Generation of Mammography Radiology Reports
Eduardo Godoy, Diego Mellado, Joaquin de Ferrari, Marvin Querales, Alex Saez, Steren Chabert, Denis Parra, Rodrigo Salas
Computational and Structural Biotechnology Journal
A Systematic Review of User-Centred Evaluation of Explainable AI in Healthcare
Ivania Donoso-Guzmán, Kristýna Sirka Kacafírková, Maxwell Szymanski, An Jacobs, Denis Parra, Katrien Verbert
The Role of Organizations in Networked Mobilization: Examining the 2011 Chilean Student Movement Through The Logic of Connective Action
Diego Gomez-Zara, Carolina Pérez Arredondo, Denis Parra
Proceedings of the 17th ACM Web Science Conference 2025
CXR-LT 2024: A MICCAI challenge on long-tailed, multi-label, and zero-shot disease classification from chest X-ray
Mingquan Lin, Gregory Holste, Song Wang, Yiliang Zhou, Yishu Wei, Imon Banerjee, Pengyi Chen, Tianjie Dai, Yuexi Du, Nicha C Dvornek, Yuyan Ge, Zuwei Guo, Shouhei Hanaoka, Dongkyun Kim, Pablo Messina, Yang Lu, Denis Parra
Medical Image Analysis
14 Kg of CO2: Analyzing the Carbon Footprint and Performance of Session-Based Recommendation Algorithms
Alejandro Plaza, Juan Carlos Gil, Denis Parra
International Workshop on Recommender Systems for Sustainability and Social Good
Survey of data stories: Guidelines for data story authoring
Manuela Garreton, Daniela Moyano, José Guerra, Denis Parra
Information Visualization
HealthIUI: Workshop on Intelligent and Interactive Health User Interfaces
Peter Brusilovsky, Denis Parra, Behnam Rahdari, Shriti Raj, Helma Torkamaan
Companion Proceedings of the 30th International Conference on Intelligent User Interfaces
A Comunication Framework for Compositional Generation
Rafael Elberg, Mircea Petrache, Denis Parra

2024

Theory of Evaluation: Evaluation Perspectives of Recommender Systems: Driving Research and Education
Neil Hurley, Vito Walter Anelli, Alejandro Bellogín, Olivier Jeunen, Lien Michiels, Denis Parra, Rodrygo LT Santos, Alexander Tuzhilin
Dagstuhl Seminar 24211
iHealth-Chile-1 at RRG24: In-context Learning and Finetuning of a Large Multimodal Model for Radiology Report Generation
Diego Campanini, Oscar Loch, Pablo Messina, Rafael Elberg, Denis Parra
Proceedings of the 23rd Workshop on Biomedical Natural Language Processing
iHealth-Chile-3&2 at RRG24: Template Based Report Generation
Oscar Loch, Pablo Messina, Rafael Elberg, Diego Campanini, Álvaro Soto, René Vidal, Denis Parra
Proceedings of the 23rd Workshop on Biomedical Natural Language Processing
Extracting and Encoding: Leveraging Large Language Models and Medical Knowledge to Enhance Radiological Text Representation
Pablo Messina, René Vidal, Denis Parra, Álvaro Soto, Vladimir Araujo
Adversarial Pairwise Multimodal Recommendation
Mario Mallea, Ricardo Ñanculef, Denis Parra
2024 International Joint Conference on Neural Networks (IJCNN)
Long Tail Image Generation Through Feature Space Augmentation and Iterated Learning
Rafael Elberg, Denis Parra, Mircea Petrache
Association for Computational Linguistics (ACL) 2024
Extracting and Encoding: Leveraging Large Language Models and Medical Knowledge to Enhance Radiological Text Representation
Álvaro Labarca Silva, Denis Parra, Rodrigo Toro Icarte
Association for Computational Linguistics (ACL) 2024
On the Unexpected Effectiveness of Reinforcement Learning for Sequential Recommendation
Álvaro Labarca Silva, Denis Parra, Rodrigo Toro Icarte
Forty-first International Conference on Machine Learning

2023

A comparative dataset: Bridging COVID-19 and other diseases through epistemonikos and CORD-19 evidence
Andrés Carvallo, Denis Parra, Hans Lobel, Gabriel Rada
Elsevier 2023
Towards a Comprehensive Human-Centred Evaluation Framework for Explainable AI
Ivania Donoso-Guzmán, Jeroen Ooge, Denis Parra, Katrien Verbert
xAI: World Conference on Explainable Artificial Intelligence
A Comprehensive and Curated Dataset of Covid-19 and Epistemonikos Evidence
Andres Carvallo, Denis Parra, Hans Lobel, Gabriel Rada
Evaluating Pre-training Strategies for Collaborative Filtering
Júlio BG Costa, Leandro B Marinho, Rodrygo LT Santos, Denis Parra
Proceedings of the 31st ACM Conference on User Modeling, Adaptation and Personalization 2023
Attitudinal effects of data visualizations and illustrations in data stories
Manuela Garretón, Francesca Morini, Pablo Celhay, Marian Dörk, Denis Parra
IEEE Transactions on Visualization and Computer Graphics 2023
A named entity recognition framework using transformers to identify relevant clinical findings from mammographic radiological reports
E Godoy, S Chabert, M Querales, J Sotelo, D Parra, C Fernandez, D Mellado, A Veloz, S Lever, F Pardo, A Bertini
18th International Symposium on Medical Information Processing and Analysis 2023
Data Stories of Water: Studying the Communicative Role of Data Visualizations within Long-form Journalism
Manuela Garreton, Francesca Morini, Daniela Paz Moyano, Gianna-Carina Grün, Denis Parra, Marian Dörk
The Eurographics Association and John Wiley & Sons Ltd. 2023
MUSIB: musical score inpainting benchmark
Mauricio Araneda-Hernandez, Felipe Bravo-Marquez, Denis Parra, Rodrigo F. Cádiz
EURASIP Journal on Audio, Speech, and Music Processing 2023

2022

Hierarchical Transformers for Group-Aware Sequential Recommendation: Application in MOBA Games
Vladimir Araujo, Helem Salinas, Alvaro Labarca, Andres Villa, Denis Parra
Adjunct Proceedings of the 30th ACM Conference on User Modeling, Adaptation and Personalization 2022
Similarity-Based Explanations meet Matrix Factorization via Structure-Preserving Embeddings
Leandro Balby Marinho, Júlio Barreto Guedes da Costa, Denis Parra, Rodrygo LT Santos
Proceedings of the 27th International Conference on Intelligent User Interfaces 2022
Two-stage Conditional Chest X-ray Radiology Report Generation
Pablo Messina, José Cañete, Denis Parra, Álvaro Soto, Cecilia Besa, Jocelyn Dunstan
MedNeurips 2022
From User Control and Explainability in Recommendation Interfaces to Visual XAI
Denis Parra
IntRS@ RecSys 2022

2021

A Survey on Deep Learning and Explainability for Automatic Report Generation from Medical Images
Pablo Messina, Pablo Pino, Denis Parra, Alvaro Soto, Cecilia Besa, Sergio Uribe, Marcelo Andia, Cristian Tejos, Claudia Prieto, Daniel Capurro
Association for Computing Machinery 2021
Clinically Correct Report Generation from Chest X-Rays Using Templates
Pino, Pablo, Parra, Denis, Besa, Cecilia, Lagos, Claudio
In Machine Learning in Medical Imaging 2021

2020

Algorithmic and HCI aspects for explaining recommendations of artistic images
Dominguez, Vicente, Donoso-Guzmán, Ivania, Messina, Pablo, Parra, Denis
ACM Transactions on Interactive Intelligent Systems (TiiS) 2020
Automatic document screening of medical literature using word and text embeddings in an active learning setting
Andres Carvallo, Denis Parra, Hans Lobel, Alvaro Soto
Scientometrics 2020
Inspecting state of the art performance and NLP metrics in image-based medical report generation
Pino, Pablo, Parra, Denis, Messina, Pablo, Besa, Cecilia, Uribe, Sergio
In Neural Information Processing Systems Conference: LatinX in AI (LXAI) Research Workshop 2020
Interpretable Contextual Team-aware Item Recommendation: Application in Multiplayer Online Battle Arena Games
Villa, Andrés, Araujo, Vladimir, Cattan, Francisca, Parra, Denis
In Proceedings of the 14th ACM Conference on Recommender Systems 2020
Latent Chords: Generative Piano Chord Synthesis with Variational Autoencoders
Macaya, Agustin, Cadiz, Rodrigo, Cartagena, Manuel, Parra, Denis
In Proceedings of the HAI-GEN 2020 - IUI 2020 Workshop on Human-AI Co-Creation with Generative Models 2020

2019

\#Default \#Interactiveart \#Audiencexperience
Garret\'{o}n, Manuela, Rihm, Andrea, Parra, Denis
In Companion Proceedings of The 2019 World Wide Web Conference 2019
Analyzing the Design Space for Visualizing Neural Attention in Text Classification
Denis Parra, Hernán Valdivieso, Andrés Carvallo, Gabriel Rada, Katrien Verbert, Tobias Schreck
In Proc. IEEE VIS Workshop on Vis X AI: 2nd Workshop on Visualization for AI Explainability (VISxAI) 2019
Comparing Word Embeddings for Document Screening based on Active Learning
Carvallo, Andres, Parra, Denis
In Proceedings of the 4th Joint Workshop on Bibliometric-enhanced Information Retrieval and Natural Language Processing for Digital Libraries (BIRNDL 2019) 2019
Data Mining for Item Recommendation in MOBA Games
Araujo, Vladimir, Rios, Felipe, Parra, Denis
In Proceedings of the 13th ACM Conference on Recommender Systems 2019
Recommender Systems for Online Video Game Platforms: The Case of STEAM
Cheuque, Germán, Guzmán, Jos{\'e}, Parra, Denis
In Companion Proceedings of The 2019 World Wide Web Conference 2019
Tag-based information access in image collections: insights from log and eye-gaze analyses
Lin, Yi-Ling, Parra, Denis, Trattner, Christoph, Brusilovsky, Peter
Knowledge and Information Systems 2019
The Effect of Explanations and Algorithmic Accuracy on Visual Recommender Systems of Artistic Images
Dominguez, Vicente, Messina, Pablo, Donoso-Guzmán, Ivania, Parra, Denis
In 24th Conference on Intelligent User interfaces 2019
Using Twitter to Infer User Satisfaction With Public Transport: The Case of Santiago, Chile
M{\'e}ndez, Jos{\'e} Tomás, Lobel, Hans, Parra, Denis, Herrera, Juan Carlos
IEEE Access 2019

2018

An Interactive Relevance Feedback Interface for Evidence-Based Health Care
Donoso-Guzman, Ivania, Parra, Denis
In 23rd Conference on Intelligent User interfaces 2018
CNVis: A Web-Based Visual Analytics Tool for Exploring Conference Navigator Data
Bailey, Samuel M., Wei, Justin A., Wang, Chaoli, Parra, Denis, Brusilovsky, Peter
In IS&T Electronic Imaging 2018 Symposium 2018
Content-based Artwork Recommendation: Integrating Painting Metadata with Neural and Manually-Engineered Visual Features
Messina, Pablo, Dominguez, Vicente, Parra, Denis, Trattner, Christoph, Soto, Alvaro
User Modeling and User-Adapted Interaction 2018
Do Better ImageNet Models Transfer Better... for Image Recommendation?
Felipe del Rio, Pablo Messina, Vicente Dominguez, Denis Parra
In 2nd workshop on Intelligent Recommender Systems by Knowledge Transfer and Learning 2018
Inferring modes of transportation using mobile phone data
Graells-Garrido, Eduardo, Caro, Diego, Parra, Denis
EPJ Data Science 2018
IntersectionExplorer, a Multi-Perspective Approach for Exploring Recommendations
Bruno Cardoso, Gayane Sedrakyan, Francisco Gutiérrez, Denis Parra, Peter Brusilovsky, Katrien Verbert
International Journal of Human-Computer Studies 2018
Investigating the utility of the weather context for point of interest recommendations
Trattner, Christoph, Oberegger, Alexander, Marinho, Leandro, Parra, Denis
Information Technology {\&} Tourism 2018
Learning to Leverage Microblog Information for QA Retrieval
Herrera, Jose, Poblete, Barbara, Parra, Denis
In Proceedings of the European Conference in Information Retrieval 2018
Moodplay: Interactive Music Recommendation based on Artists’ Mood Similarity
Andjelkovic, Ivana, Parra, Denis, O'Donovan, John
International Journal of Human-Computer Studies 2018
Predicting Process Behavior Meets Factorization Machines
Wai Lam Jonathan Lee, Denis Parra, Jorge Munoz-Gama, Marcos Sepúlveda
Expert Systems with Applications 2018
Towards Explanations for Visual Recommender Systems of Artistic Images
Vicente Dominguez, Pablo Messina, Christoph Trattner, Denis Parra
In Joint Workshop on Interfaces and Human Decision Making for Recommender Systems 2018

2017

Comparing Neural and Attractiveness-based Visual Features for Artwork Recommendation
Vicente Dominguez, Pablo Messina, Denis Parra, Domingo Mery, Christoph Trattner, Alvaro Soto
In Proceedings of the Workshop on Deep Learning for Recommender Systems, co-located at RecSys 2017 2017
Enriching capstone project-based learning experiences using a crowdsourcing recommender engine
Diaz-Mosquera, Juan D, Sanabria, Pablo, Neyem, Andres, Parra, Denis, Navon, Jaime
In Proceedings of the 4th International Workshop on CrowdSourcing in Software Engineering 2017
Gaining historical and international relations insights from social media: spatio-temporal real-world news analysis using Twitter
Pena-Araya, Vanessa, Quezada, Mauricio, Poblete, Barbara, Parra, Denis
EPJ Data Science 2017
Monitoring obesity prevalence in the United States through bookmarking activities in online food portals
Trattner, Christoph, Parra, Denis, Elsweiler, David
PloS one 2017
pyRecLab: A Software Library for Quick Prototyping of Recommender Systems
Sepulveda, Gabriel, Parra, Denis
In Proceedings of the Poster Track of the 11th ACM Conference on Recommender Systems (RecSys 2017) 2017
Supporting Conference Attendees with Visual Decision Making Interfaces
Verbert, Katrien, Brusilovsky, Peter, Wongchokprasitti, Chirayu, Parra, Denis, Cardoso, Bruno
In Proceedings of the 22nd International Conference on Intelligent User Interfaces Companion 2017
Towards a Recommender System for Undergraduate Research
del-Rio, Felipe, Parra, Denis, Kuzmicic, Jovan, Svec, Erick
In Proceedings of the Poster Track of the 11th ACM Conference on Recommender Systems (RecSys 2017) 2017

2016

Agents vs. Users: Visual Recommendation of Research Talks with Multiple Dimension of Relevance
Verbert, Katrien, Parra, Denis, Brusilovsky, Peter
ACM Transactions on Interactive Intelligent Systems (in press) 2016
Interactive recommender systems: a survey of the state of the art and future research challenges and opportunities
He, Chen, Parra, Denis, Verbert, Katrien
Expert Systems with Applications 2016
Linking information and people in a social system for academic conferences
Brusilovsky, Peter, Oh, Jung Sun, Lopez, Claudia, Parra, Denis, Jeng, Wei
New Review of Hypertext and Hypermedia (in press) 2016
Moodplay: Interactive Mood-based Music Discovery andRecommendation
Andjelkovic, Ivana, Parra, Denis, O'Donovan, John
In Proceedings of the UMAP Conference 2016
Twitter in academic events: A study of temporal usage, communication, sentimental and topical patterns in 16 Computer Science conferences
Denis Parra, Christoph Trattner, Diego G{\'o}mez, Mat{\'\i}as Hurtado, Xidao Wen, Yu-Ru Lin
Computer Communications 2016
Using QR codes to increase user engagement in museum-like spaces
Perez-Sanagustin, Mar, Parra, Denis, Verdugo, Renato, Garcia-Galleguillos, Gonzalo, Nussbaum, Miguel
Computers in Human Behavior 2016
Visualization and Recommendation of Large Image and Text Collections Toward Effective Sensemaking
Yi Gu, Chaoli Wang, Jun Ma, Robert J. Nemiroff, David L. Kao, Denis Parra
Information Visualization 2016

2015

Are Real-World Place Recommender Algorithms Useful in Virtual World Environments?
Balby Marinho, Leandro, Trattner, Christoph, Parra, Denis
In Proceedings of the 9th ACM Conference on Recommender Systems 2015
Good Times Bad Times: A Study on Recency Effects in Collaborative Filtering for Social Tagging
Larrain, Santiago, Trattner, Christoph, Parra, Denis, Graells-Garrido, Eduardo, N{\o}rv{\aa}g, Kjetil
In Proceedings of the 9th ACM Conference on Recommender Systems 2015
Identifying Relevant Messages in a Twitter-based Citizen Channel for Natural Disaster Situations
Cobo, Alfredo, Parra, Denis, Nav\'{o}n, Jaime
In Proceedings of the 24th International Conference on World Wide Web 2015
Language, Twitter and Academic Conferences
Gavilanes, Ruth Olimpia G., Gomez, Diego, Parra Santander, Denis, Trattner, Christoph, Kaltenbrunner, Andreas, Graells, Eduardo
In Proceedings of the 26th ACM Conference on Hypertext \&\#38; Social Media 2015
Towards Improving Top-N Recommendation by Generalization of SLIM
Larrain, Santiago, Parra, Denis, Soto, Alvaro
In Poster Proceedings of ACM RecSys 2015 2015
User-controllable personalization: A case study with SetFusion
Parra, Denis, Brusilovsky, Peter
International Journal of Human Computer Studies 2015

2014

A Study of Mobile Information Exploration with Multi-Touch Interactions
Han, Shuguang, Hsiao, I-Han, Parra, Denis
In Proceedings of the 2014 International Social Computing, Behavioral Modeling and Prediction Conference 2014
How groups of people interact with each other on Twitter during academic conferences
Wen, Xidao, Parra, Denis, Trattner, Christoph
In Proceedings of the companion publication of the 17th ACM conference on Computer supported cooperative work \& social computing 2014
Recommending Items in Social Tagging Systems Using Tag and Time Information
Lacic, Emanuel, Kowald, Dominik, Seitlinger, Paul, Trattner, Christoph, Parra, Denis
arXiv preprint arXiv:1406.7727 2014
See What You Want to See: Visual User-Driven Approach for Hybrid Recommendation
Parra, Denis, Brusilovsky, Peter, Trattner, Christoph
In Proceedings of the 19th international conference on Intelligent User Interfaces 2014
Towards a Scalable Social Recommender Engine for Online Marketplaces: The Case of Apache Solr
Lacic, Emanuel, Kowald, Dominik, Parra, Denis, Kahr, Martin, Trattner, Christoph
In Proceedings of the 23rd International Conference on World Wide Web 2014
Twitter in Academic Conferences: Usage, Networking and Participation over Time
Wen, Xidao, Lin, Yu-Ru, Trattner, Christoph, Parra, Denis
In Proceedings of the 25th ACM Conference on Hypertext and Social Media 2014
Utilizing Online Social Network and Location-Based Data to Recommend Items in an Online Marketplace
Lacic, Emanuel, Kowald, Dominik, Eberhard, Lukas, Trattner, Christoph, Parra, Denis, Marinho, Leandro
arXiv preprint arXiv:1405.1837 2014
Who will Trade with Whom? Predicting Buyer-Seller Interactions in Online Trading Platforms through Social Networks
Trattner, Christoph, Parra, Denis, Eberhard, Lukas, Wen, Xidao
In Proceedings of the 23rd international conference companion on World wide web 2014

2013

A field study of a visual controllable talk recommender
Parra, Denis, Brusilovsky, Peter
In Proceedings of the 2013 Chilean Conference on Human-Computer Interaction 2013
Encouraging Online Student Reading with Social Visualization Support
Guerra, Julio, Parra, Denis, Brusilovsky, Peter
In 2nd Workshop on Intelligent Support for Learning in Groups - AIED 2013 2013
Visualizing recommendations to support exploration, transparency and controllability
Verbert, Katrien, Parra, Denis, Brusilovsky, Peter, Duval, Erik
In Proceedings of the 2013 international conference on Intelligent user interfaces 2013