PDI - Resultado de Búsqueda

Denis Alejandro Parra Santander

Profesor Asociado

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

RECOMMENDER SYSTEMS; INTELLIGENT USER INTERFACES; ARTIFICIAL INTELLIGENCE APPLICATIONS; ARTIFICIAL INTELLIGENCE IN MEDICAL IMAGING

INFORMATION SCIENCES, UNIVERSITY OF PITTSBURGH. Estados Unidos, 2013
CIENCIAS DE LA INGENIERIA MENCION INFORMATICA, UNIVERSIDAD AUSTRAL DE CHILE. Chile, 2004
INGENIERIA CIVIL EN INFORMATICA, UNIVERSIDAD AUSTRAL DE CHILE. Chile, 2004

Profesor Asociado Full Time

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Ingeniería

Santiago, Chile

2013 - At present

Profesor Adjunto Part Time

Universidad Austral de Chile

Valdivia, Chile

2003 - 2004
Profesor Adjunto Part Time

Universidad Austral de Chile

Valdivia, Chile

2006 - 2007
Investigador en Pasantia Full Time

Trinity College Dublin

Dublin, Irlanda

2009 - 2009
Investigador en Pasantia Full Time

Telefonica I+D

Barcelona, España

2010 - 2010

(Actualizado en abril de 2026)
- Ha guiado 13 tesistas de magíster y 3 de doctorado
- Actualmente guía a 5 alumnos de doctorado
- Actualmente guía a 5 alumnos de magíster
- Actualmente guía a 2 alumnos de pregrado

Enero 2026: Presentacion de resultados de proyecto Fondecyt regular 1231724
https://cenia.cl/2026/02/02/ia-chilena-analiza-radiografias-de-torax-para-apoyar-el-diagnostico-medico/

April 2021: general co-chair of the ACM IUI 2021 is the 26th annual meeting of the intelligent user interfaces
https://iui.acm.org/2021/committee_members.html

July 2017: Organizes workshop open to public on Interactive User Interfaces and Recommender Systems
http://socvis.ing.puc.cl/lair2017

August 2016: Organizes a full day of public tutorials on Data Science, the Data Science Day 1: Information VIsualization
https://github.com/PUC-SocVis/DataScience-Day1

Outstanding Reviewer Award

WWW 2017 Conference

Australia, 2017

As part of the programa committee of the WWW Conference, I was distinguished with and outstanding reviewer award for my dedication and contribution on providing rich feedback to authors submitting their works to the conference.
Outstanding paper award

IUI '19: 24th International Conference on Intelligent User Interfaces

Estados Unidos, 2019

Outstanding paper award: The effect of explanations and algorithmic accuracy on visual recommender systems of artistic images By Vicente Dominguez, Pablo Messina, Ivania Donoso-Guzmán, Denis Parra IUI '19: 24th International Conference on Intelligent User Interfaces https://dl.acm.org/doi/10.1145/3301275.3302274
2nd Best Student paper Award

Conference on User Modeling, Adaptation and Personalization (UMAP)

España, 2011

2nd best student paper award at the 19th International Conference on User Modeling, Adaptation and Personalization, UMAP 2011, in Girona, Spain: Walk the Talk: Analyzing the relation between implicit and explicit feedback for preference elicitation Denis Parra. U. of Pittsburgh Xavier Amatriain, Telefonica Research
Best Paper Honorable Mention

ACM Intelligent User Interfaces conference

Japón, 2018

Best Paper Honorable Mention for the conference article "An Interactive Relevance Feedback Interface for Evidence-Based Healthcare" by Ivania Donoso-Guzmán and Denis Parra


CXR-LT 2024: A MICCAI challenge on long-tailed, multi-label, and zero-shot disease classification from chest X-ray Lin, MQ; Holste, G; Wang S.; Zhou, YL; Wei, YS; Banerjee I.; Chen, PY; Dai, TJ; Du, YX; Dvornek, NC; et al. Article ISI SCOPUS Medical Image Analysis (2025)
Hybrid framework for automated generation of mammography radiology reports Godoy, Eduardo; Mellado, Diego; de Ferrari, Joaquin; Querales, Marvin; Saez, Alex; Chabert, Steren; Parra, Denis; Salas, Rodrigo Article ISI SCOPUS Computational and Structural Biotechnology Journal (2025)
Personalized MRI-based characterization of subcortical anomalies in Ataxia-Telangiectasia using deep-learning Saini, C; Salazar-Vilches, C; Blanchard, CCV; Whitehouse, WP; Parra D.; Dineen, RA; Pszczolkowski, S Article ISI SCOPUS PLOS ONE (2025)
Survey of data stories: Guidelines for data story authoring Garreton M.; Moyano, D; Guerra J.; Parra D. Article ISI SCOPUS Information Visualization (2025)
Attitudinal Effects of Data Visualizations and Illustrations in Data Stories Garreton M.; Morini, F; Celhay P.; Dörk, M; Parra D. Article ISI SCOPUS IEEE Transactions on Visualization and Computer Graphics (2024)
A comparative dataset: Bridging COVID-19 and other diseases through epistemonikos and CORD-19 evidence Carvallo, Andrés; Parra, Denis; Lobel, Hans; Rada, Gabriel Article ISI SCOPUS Data in Brief (2023)
A Named Entity Recognition framework using Transformers to identify relevant clinical findings from mammographic radiological reports Godoy, Eduardo; Chabert, Steren; Sotelo, Julio; Parra, Denis; Veloz, Alejandro; Molina, Yomar; Díaz, Claudia; Ferreira, Rodrigo; Brieva, J; Lepore, N; et al. Article ISI SCOPUS Proceedings of SPIE - The International Society for Optical Engineering (2023)
MUSIB: musical score inpainting benchmark Araneda-Hernandez, Mauricio; Parra, Denis Article ISI SCOPUS Eurasip Journal on Audio, Speech, and Music Processing (2023)
A Survey on Deep Learning and Explainability for Automatic Report Generation from Medical Images Parra, Denis; Besa, Cecilia; Uribe, Sergio; Andía, Marcelo; Tejos, Cristian; Prieto Claudia Article ISI SCOPUS ACM Computing Surveys (2022)
AHMoSe: A knowledge-based visual support system for selecting regression machine learning models Rojo D.; Htun N.N.; Parra D.; De Croon R.; Verbert K. Article SCOPUS Computers and Electronics in Agriculture (2021)
Creativity in Generative Musical Networks: Evidence From Two Case Studies Macaya, Agustin; Cartagena, Manuel; Parra, Denis Article ISI SCOPUS Frontiers in Robotics and AI (2021)
Algorithmic and HCI Aspects for Explaining Recommendations of Artistic Images Parra, Denis Article ISI SCOPUS ACM Transactions on Interactive Intelligent Systems (2020)
Automatic document screening of medical literature using word and text embeddings in an active learning setting Carvallo, Andrés; Parra, Denis Article ISI SCOPUS Scientometrics (2020)
GENE: Graph generation conditioned on named entities for polarity and controversy detection in social media Mendoza, Marcelo; Parra, Denis Article ISI SCOPUS Information Processing and Management (2020)
Interpretable Contextual Team-aware Item Recommendation: Application in Multiplayer Online Battle Arena Games Cattan, Francisca; Parra, Denis; ASSOC COMP MACHINERY Article ISI SCOPUS RecSys 2020 - 14th ACM Conference on Recommender Systems (2020)
Social QA in non-CQA platforms Parra, Denis; Poblete, Barbara Article ISI SCOPUS Future Generation Computer Systems (2020)
Content-based artwork recommendation: integrating painting metadata with neural and manually-engineered visual features Article ISI USER MODELING AND USER-ADAPTED INTERACTION (2019)
Moodplay: Interactive music recommendation based on Artists' mood similarity Article ISI SCOPUS INTERNATIONAL JOURNAL OF HUMAN-COMPUTER STUDIES (2019)
Tag-based information access in image collections: insights from log and eye-gaze analyses Article ISI SCOPUS KNOWLEDGE AND INFORMATION SYSTEMS (2019)
Using Twitter to Infer User Satisfaction With Public Transport: The Case of Santiago, Chile Mendez J.T.; Lobel H.; Herrera J.C. Article ISI SCOPUS IEEE ACCESS (2019)
Investigating the utility of the weather context for point of interest recommendations Trattner, C; Marinho, L; Parra D. Article WOS-ESCI SCOPUS INFORMATION TECHNOLOGY & TOURISM (2018)
Predicting process behavior meets factorization machines Article ISI SCOPUS EXPERT SYSTEMS WITH APPLICATIONS (2018)
Linking information and people in a social system for academic conferences Brusilovsky P.; López, C.; Parra D.; Jeng W. Article ISI SCOPUS NEW REVIEW OF HYPERMEDIA AND MULTIMEDIA (2017)
Monitoring obesity prevalence in the United States through bookmarking activities in online food portals Trattner, Christoph; Elsweiler, David; Huerta-Quintanilla, Rodrigo Article ISI SCOPUS PLOS ONE (2017)
Visualization and recommendation of large image collections toward effective sensemaking Gu Y.; Nemiroff R.J.; Kao D.L. Article ISI SCOPUS INFORMATION VISUALIZATION (2017)
Agents Vs. Users Verbert, Katrien; Brusilovsky, Peter Article SCOPUS ACM TRANSACTIONS ON INTERACTIVE INTELLIGENT SYSTEMS (2016)
Twitter in academic events: A study of temporal usage, communication, sentimental and topical patterns in 16 Computer Science conferences Parra D.; Trattner, C; Gomez D.; Hurtado M.; Wen, XD; Lin, YR Article ISI SCOPUS COMPUTER COMMUNICATIONS (2016)
Using QR codes to increase user engagement in museum-like spaces Parra D.; Verdugo R.; García-Galleguillos G.; Nussbaum M. Article ISI SCOPUS Computers in Human Behavior (2016)
A framework of hybrid MOOC-based pedagogies PÃ©rez-SanagustÃn M.; Hilliger I.; Schwarzenberg P.; Parra D. Article SCOPUS CEUR Workshop Proceedings (2015)
User-controllable personalization: A case study with SetFusion Parra D.; Brusilovsky P. Article ISI SCOPUS International Journal of Human Computer Studies (2015)


Rethinking Layer Relevance in Large Language Models Beyond Cosine Similarity Hinostroza, Cristian; Toro Icarte, Rodrigo; Devia, Christ; Carvallo, Andrés; Herrera-Berg, Eugenio; Parra, Denis; Silva, Jorge F. ConferencePaper (2026)
HealthIUI: Workshop on Intelligent and Interactive Health User Interfaces Brusilovsky P.; Parra D.; Rahdari, B; Raj, S; Torkamaan, H ConferencePaper ISI SCOPUS (2025)
The Role of Organizations in Networked Mobilization: Examining the 2011 Chilean Student Movement Through The Logic of Connective Action Gómez-Zará, D; Arredondo, CP; Parra D. ConferencePaper ISI (2025)
Adversarial Pairwise Multimodal Recommendation Mallea M.; Nanculef R.; Parra D. ConferencePaper ISI SCOPUS Proceedings of the International Joint Conference on Neural Networks (2024)
Extracting and Encoding: Leveraging Large Language Models and Medical Knowledge to Enhance Radiological Text Representation Messina; P.; Vidal; R.; Parra; D.; Soto; A.; Araujo; V. ConferencePaper ISI SCOPUS Proceedings of the Annual Meeting of the Association for Computational Linguistics (2024)
On the Unexpected Effectiveness of Reinforcement Learning for Sequential Recommendation Labarca, Alvaro; Parra, Denis; Toro Icarte, Rodrigo ConferencePaper (2024)
Evaluating Pre-training Strategies for Collaborative Filtering Da Costa J.B.G.; Marinho L.B.; Santos R.L.T.; Parra D. ConferencePaper ISI SCOPUS UMAP 2023 - Proceedings of the 31st ACM Conference on User Modeling, Adaptation and Personalization (2023)
Towards a Comprehensive Human-Centred Evaluation Framework for Explainable AI Donoso-Guzmán, I; Ooge, J; Parra D.; Verbert K. ConferencePaper ISI SCOPUS Communications in Computer and Information Science (2023)
From User Control and Explainability in Recommendation Interfaces to Visual XAI Parra D. ConferencePaper SCOPUS CEUR Workshop Proceedings (2022)
Hierarchical Transformers for Group-Aware Sequential Recommendation: Application in MOBA Games Araujo V.; Salinas H.; Labarca A.; Villa A.; Parra D. ConferencePaper SCOPUS UMAP2022 - Adjunct Proceedings of the 30th ACM Conference on User Modeling, Adaptation and Personalization (2022)
Similarity-Based Explanations meet Matrix Factorization via Structure-Preserving Embeddings Marinho L.B.; Da Costa J.B.G.; Parra D.; Santos R.L.T. ConferencePaper ISI SCOPUS International Conference on Intelligent User Interfaces, Proceedings IUI (2022)
Clinically Correct Report Generation from Chest X-Rays Using Templates Pino P.; Parra D.; Besa C.; Lagos C. ConferencePaper ISI SCOPUS Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2021)
Evaluating a Learning Analytics Dashboard to Visualize Student Self-Reports of Time-on-task: A Case Study in a Latin American University Parra, Denis ConferencePaper ISI SCOPUS ACM International Conference Proceeding Series (2021)
Fourth workshop on exploratory search and interactive data analytics (ESIDA) Glowacka D.; Milios E.; Soto A.J.; Mokryn O.; Paulovich F.V.; Parra D. ConferencePaper SCOPUS International Conference on Intelligent User Interfaces, Proceedings IUI (2021)
PUC Chile team at Caption Prediction: ResNet visual encoding and caption classification with parametric ReLU Castro V.; Pino P.; Parra D.; Lobel H. ConferencePaper SCOPUS CEUR Workshop Proceedings (2021)
PUC Chile team at concept detection: K nearest neighbors with perceptual similarity Schuit G.; Castro V.; Pino P.; Parra D.; Lobel H. ConferencePaper SCOPUS CEUR Workshop Proceedings (2021)
PUC Chile team at TBT Task: Diagnosis of tuberculosis type using segmented CT scans Quintana J.M.; Florea D.; Deane R.; Parra D.; Pino P.; Messina P.; LÃƒÂ¶bel H. ConferencePaper SCOPUS CEUR Workshop Proceedings (2021)
PUC Chile team at VQA-Med 2021: Approaching VQA as a classification task via fine-tuning a pretrained CNN Schilling R.; Messina P.; Parra D.; LÃƒÂ¶bel H. ConferencePaper SCOPUS CEUR Workshop Proceedings (2021)
Stress Test Evaluation of Biomedical Word Embeddings Thorne, Camilo; Parra, Denis ConferencePaper SCOPUS Proceedings of the 20th Workshop on Biomedical Language Processing, BioNLP 2021 (2021)
VisRec: A hands-on tutorial on deep learning for visual recommender systems Parra D.; Ossa-Guerra A.; Cartagena M.; Cerda-Mardini P.; del Río, F ConferencePaper ISI SCOPUS International Conference on Intelligent User Interfaces, Proceedings IUI (2021)
CuratorNet: Visually-aware recommendation of art images Messina P.; Cartagena M.; Cerda P.; del Río, F; Parra D. ConferencePaper SCOPUS CEUR Workshop Proceedings (2020)
Latent chords: Generative piano chord synthesis with variational autoencoders MacAya A.; CÃƒÂ¡diz R.F.; Cartagena M.; Parra D. ConferencePaper SCOPUS CEUR Workshop Proceedings (2020)
Scalable recommendation of wikipedia articles to editors using representation learning Moskalenko O.; Parra D.; Saez-Trumper D. ConferencePaper SCOPUS CEUR Workshop Proceedings (2020)
Data Mining for Item Recommendation in MOBA Games Araujo V. ConferencePaper ISI SCOPUS (2019)
Recommender Systems for Online Video Game Platforms: the Case of STEAM Cheuque G. ConferencePaper ISI SCOPUS COMPANION OF THE WORLD WIDE WEB CONFERENCE (WWW 2019 ) (2019)
The Effect of Explanations and Algorithmic Accuracy on Visual Recommender Systems of Artistic Images ConferencePaper ISI SCOPUS PROCEEDINGS OF IUI 2019 (2019)
An interactive relevance feedback interface for Evidence-Based Health Care ConferencePaper ISI SCOPUS (2018)
Learning to Leverage Microblog Information for QA Retrieval ConferencePaper ISI SCOPUS PROGRESS IN ARTIFICIAL INTELLIGENCE AND PATTERN RECOGNITION, IWAIPR 2018 (2018)
Are real-world place recommender algorithms useful in virtual world environments? Marinho L.B.; Trattner, C; Parra D. ConferencePaper SCOPUS ACM International Conference Proceeding Series (2015)
Good times bad times: A study on recency effects in collaborative filtering for social tagging Larrain, S.; Trattner, C; Parra D.; Graells-Garrido E.; Nørvåg K. ConferencePaper SCOPUS ACM International Conference Proceeding Series (2015)
Identifying relevant messages in a twitter-based citizen channel for natural disaster situations Cobo A.; Parra D.; Navon J. ConferencePaper SCOPUS ACM International Conference Proceeding Series (2015)
Language, Twitter and academic conferences Garcia, R.; Gomez D.; Parra D.; Trattner, C; Kaltenbrunner, A; Graells-Garrido E. ConferencePaper SCOPUS ACM International Conference Proceeding Series (2015)
Retrieving relevant conversations for Q&A on Twitter Parra D.; Poblete B. ConferencePaper SCOPUS CEUR Workshop Proceedings (2015)
Sps'15-2015 international workshop on social personalization & search Trattner, C; Brusilovsky P.; Parra D.; Marinho, L ConferencePaper SCOPUS ACM International Conference Proceeding Series (2015)
Towards improving Top-N recommendation by generalization of SLIM Larrain, S.; Parra D.; Soto A. ConferencePaper SCOPUS CEUR Workshop Proceedings (2015)
Utilizing online social network and location-based data to recommend products and categories in online marketplaces Lacic E.; Kowald D.; Eberhard L.; Trattner, C; Parra D.; Marinho L.B. ConferencePaper SCOPUS Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2015)
A study of mobile information exploration with multi-touch interactions Han S.; Hsiao I.-H.; Parra D. ConferencePaper SCOPUS Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2014)
How groups of people interact with each other on twitter during academic conferences Wen X.; Parra D.; Trattner, C ConferencePaper SCOPUS ACM International Conference Proceeding Series (2014)
Recommending items in social tagging systems using tag and time information Lacic E.; Kowald D.; Seitlinger P.; Trattner, C; Parra D. ConferencePaper SCOPUS CEUR Workshop Proceedings (2014)
The effect of different set-based visualizations on user exploration of recommendations Verbert K.; Parra D.; Brusilovsky P. ConferencePaper SCOPUS CEUR Workshop Proceedings (2014)
Twitter in academic conferences: Usage, networking and participation over time Wen X.; Trattner, C; Parra D. ConferencePaper SCOPUS ACM International Conference Proceeding Series (2014)
A field study of a visual controllable talk recommender Parra D.; Brusilovsky P. ConferencePaper SCOPUS ACM International Conference Proceeding Series (2013)
Visualizing recommendations to support exploration, transparency and controllability Verbert K.; Parra D.; Brusilovsky P.; Duval E. ConferencePaper SCOPUS ACM International Conference Proceeding Series (2013)
A hybrid peer recommender system for an online community of teachers Miranda, C; Guerra J.; Parra D.; Scheihing E. ConferencePaper SCOPUS CEUR Workshop Proceedings (2012)


VISLA15: 1st international workshop on visual aspects of learning analytics Duval E.; Klerkx J.; Verbert K.; Wolpers M.; Pardo A.; Govaerts S.; Gillet D.; Ochoa, X; Parra D. Editorial SCOPUS CEUR Workshop Proceedings (2015)


Multimodal, multitask and transfer learning for deep radiological report generation Parra, Denis; Besa C, Cecilia Proyecto (2023)
Centro Nacional de Inteligencia Artificial Soto Arriaza, Alvaro Proyecto (2021)
iHEALTH - Instituto Milenio en Ingeniería e Inteligencia Artificial para la Salud Prieto Claudia Proyecto (2021)
Harnessing Information Visualization And Interactivity To Develop Interfaces For Explainable AI Parra, Denis; Rada G, Gabriel Proyecto (2019)


Interactive recommender systems: A survey of the state of the art and future research challenges and opportunities He C.; Parra D.; Verbert K. Review ISI SCOPUS EXPERT SYSTEMS WITH APPLICATIONS (2016)