Matías Rojas

20 papers B 1Journal 8Unranked 11
YearRankTypeTitle / Venue / Authors
2025 J jnl
Digital twin with automatic disturbance detection for an expert-controlled SAG mill.
CoRR
Paulina Quintanilla, Francisco Fernández, Cristobal Mancilla, Matías Rojas, Daniel Navia
2025 J jnl
Validating a collaborative problem-solving assessment tool across educational stages.
Comput. Educ.
Matías Rojas, Miguel Nussbaum, César Moreno
2024 J jnl
Digital twin with automatic disturbance detection for real-time optimization of a semi-autogenous grinding (SAG) mill.
CoRR
Paulina Quintanilla, Francisco Fernández, Cristobal Mancilla, Matías Rojas, Mauricio Estrada, Daniel Navia
2023 — conf
Automatic Coding at Scale: Design and Deployment of a Nationwide System for Normalizing Referrals in the Chilean Public Healthcare System.
ClinicalNLP@ACL
Fabián Villena, Matías Rojas, Felipe Arias, Jorge Pacheco, Paulina Vera, Jocelyn Dunstan
2023 J jnl
Automatic Coding at Scale: Design and Deployment of a Nationwide System for Normalizing Referrals in the Chilean Public Healthcare System.
CoRR
Fabián Villena, Matías Rojas, Felipe Arias, Jorge Pacheco, Paulina Vera, Jocelyn Dunstan
2023 — conf
Automatic Section Classification in Spanish Clinical Narratives Using Chunked Named Entity Recognition.
IberLEF@SEPLN
Andrés Carvallo, Matías Rojas, Carlos Muñoz-Castro, Claudio Aracena, Rodrigo Guerra, Benjamín Pizarro, Jocelyn Dunstan
2023 — conf
CMM PLN at MentalRiskES: A Traditional Machine Learning Approach for Detection of Eating Disorders and Depression in Chat Messages.
IberLEF@SEPLN
Rodrigo Guerra, Benjamín Pizarro, Carlos Muñoz-Castro, Andrés Carvallo, Matías Rojas, Claudio Aracena, Jocelyn Dunstan
2023 — conf
LinkMed: Entity Recognition and Relation Extraction from Clinical Notes in Spanish.
IberLEF@SEPLN
Carlos Muñoz-Castro, Andrés Carvallo, Matías Rojas, Claudio Aracena, Rodrigo Guerra, Benjamín Pizarro, Jocelyn Dunstan
2023 J jnl
Using Automated Planning to Provide Feedback during Collaborative Problem-Solving.
Int. J. Artif. Intell. Educ.
Matías Rojas, Cristian Sáez, Jorge A. Baier, Miguel Nussbaum, Orlando Guerrero, María Fernanda Rodriguez
2022 — conf
A Knowledge-Graph-Based Intrinsic Test for Benchmarking Medical Concept Embeddings and Pretrained Language Models.
LOUHI@EMNLP
Claudio Aracena, Fabián Villena, Matías Rojas, Jocelyn Dunstan
2022 — conf
Assessing the Limits of Straightforward Models for Nested Named Entity Recognition in Spanish Clinical Narratives.
LOUHI@EMNLP
Matías Rojas, Casimiro Pio Carrino, Aitor Gonzalez-Agirre, Jocelyn Dunstan, Marta Villegas
2022 J jnl
Automatic Extraction of Nested Entities in Clinical Referrals in Spanish.
ACM Trans. Comput. Heal.
Pablo Báez, Felipe Bravo-Marquez, Jocelyn Dunstan, Matías Rojas, Fabián Villena
2022 — conf
Divide and Conquer: An Extreme Multi-Label Classification Approach for Coding Diseases and Procedures in Spanish.
LOUHI@EMNLP
Jose Barros, Matías Rojas, Jocelyn Dunstan, Andrés Abeliuk
2022 — conf
FLERT-Matcher: A Two-Step Approach for Clinical Named Entity Recognition and Normalization.
IberLEF@SEPLN
Matías Rojas, Jose Barros, Mauricio Araneda, Jocelyn Dunstan
2022 J jnl
Integrating a collaboration script and group awareness to support group regulation and emotions towards collaborative problem solving.
Int. J. Comput. Support. Collab. Learn.
Matías Rojas, Miguel Nussbaum, Orlando Guerrero, Pablo Chiuminatto, Samuel Greiff, Rodrigo Del Rio, Danilo Alvares
2022 — conf
PLN CMM at SocialDisNER: Improving Detection of Disease Mentions in Tweets by Using Document-Level Features.
SMM4H@COLING
Matías Rojas, Jose Barros, Kinan Martin, Mauricio Araneda-Hernandez, Jocelyn Dunstan
2022 B conf
Simple Yet Powerful: An Overlooked Architecture for Nested Named Entity Recognition.
COLING
Matías Rojas, Felipe Bravo-Marquez, Jocelyn Dunstan
2021 J jnl
Assessing collaborative problem-solving skills among elementary school students.
Comput. Educ.
Matías Rojas, Miguel Nussbaum, Pablo Chiuminatto, Orlando Guerrero, Samuel Greiff, Florian Krieger, Lindie Van Der Westhuizen
2020 — conf
The Chilean Waiting List Corpus: a new resource for clinical Named Entity Recognition in Spanish.
ClinicalNLP@EMNLP
Pablo Báez, Fabián Villena, Matías Rojas, Manuel Durán, Jocelyn Dunstan
2013 — conf
Prototype design and evaluation of a computer supported system for multidiscipline meetings in a primary healthcare center.
ChileCHI
Cecilia Saint-Pierre, Esteban Piñones, Matías Rojas, Valeria Herskovic