Matías Rojas

Publication Activity (10 Years)

Years Active: 2013-2024
Publications (10 Years): 17

Top Topics

Relation Extraction

Classifier Ensemble

Named Entity Recognition

Sequence Labeling

Top Venues

Int. J. Artif. Intell. Educ.

Publications

Paulina Quintanilla, Francisco Fernández, Cristobal Mancilla, Matías Rojas, Mauricio Estrada, Daniel Navia
Digital twin with automatic disturbance detection for real-time optimization of a semi-autogenous grinding (SAG) mill. CoRR (2024)
Carlos Muñoz-Castro, Andrés Carvallo, Matías Rojas, Claudio Aracena, Rodrigo Guerra, Benjamín Pizarro, Jocelyn Dunstan
LinkMed: Entity Recognition and Relation Extraction from Clinical Notes in Spanish. IberLEF@SEPLN (2023)
Fabián Villena, Matías Rojas, Felipe Arias, Jorge Pacheco, Paulina Vera, Jocelyn Dunstan
Automatic Coding at Scale: Design and Deployment of a Nationwide System for Normalizing Referrals in the Chilean Public Healthcare System. ClinicalNLP@ACL (2023)
Andrés Carvallo, Matías Rojas, Carlos Muñoz-Castro, Claudio Aracena, Rodrigo Guerra, Benjamín Pizarro, Jocelyn Dunstan
Automatic Section Classification in Spanish Clinical Narratives Using Chunked Named Entity Recognition. IberLEF@SEPLN (2023)
Matías Rojas, Cristian Sáez, Jorge A. Baier, Miguel Nussbaum, Orlando Guerrero, María Fernanda Rodriguez
Using Automated Planning to Provide Feedback during Collaborative Problem-Solving. Int. J. Artif. Intell. Educ. 33 (4) (2023)
Rodrigo Guerra, Benjamín Pizarro, Carlos Muñoz-Castro, Andrés Carvallo, Matías Rojas, Claudio Aracena, Jocelyn Dunstan
CMM PLN at MentalRiskES: A Traditional Machine Learning Approach for Detection of Eating Disorders and Depression in Chat Messages. IberLEF@SEPLN (2023)
Fabián Villena, Matías Rojas, Felipe Arias, Jorge Pacheco, Paulina Vera, Jocelyn Dunstan
Automatic Coding at Scale: Design and Deployment of a Nationwide System for Normalizing Referrals in the Chilean Public Healthcare System. CoRR (2023)
Matías Rojas, Felipe Bravo-Marquez, Jocelyn Dunstan
Simple Yet Powerful: An Overlooked Architecture for Nested Named Entity Recognition. COLING (2022)
Claudio Aracena, Fabián Villena, Matías Rojas, Jocelyn Dunstan
A Knowledge-Graph-Based Intrinsic Test for Benchmarking Medical Concept Embeddings and Pretrained Language Models. LOUHI@EMNLP (2022)
Matías Rojas, Jose Barros, Kinan Martin, Mauricio Araneda-Hernandez, Jocelyn Dunstan
PLN CMM at SocialDisNER: Improving Detection of Disease Mentions in Tweets by Using Document-Level Features. SMM4H@COLING (2022)
Matías Rojas, Casimiro Pio Carrino, Aitor Gonzalez-Agirre, Jocelyn Dunstan, Marta Villegas
Assessing the Limits of Straightforward Models for Nested Named Entity Recognition in Spanish Clinical Narratives. LOUHI@EMNLP (2022)
Pablo Báez, Felipe Bravo-Marquez, Jocelyn Dunstan, Matías Rojas, Fabián Villena
Automatic Extraction of Nested Entities in Clinical Referrals in Spanish. ACM Trans. Comput. Heal. 3 (3) (2022)
Jose Barros, Matías Rojas, Jocelyn Dunstan, Andrés Abeliuk
Divide and Conquer: An Extreme Multi-Label Classification Approach for Coding Diseases and Procedures in Spanish. LOUHI@EMNLP (2022)
Matías Rojas, Miguel Nussbaum, Orlando Guerrero, Pablo Chiuminatto, Samuel Greiff, Rodrigo Del Rio, Danilo Alvares
Integrating a collaboration script and group awareness to support group regulation and emotions towards collaborative problem solving. Int. J. Comput. Support. Collab. Learn. 17 (1) (2022)
Matías Rojas, Jose Barros, Mauricio Araneda, Jocelyn Dunstan
FLERT-Matcher: A Two-Step Approach for Clinical Named Entity Recognition and Normalization. IberLEF@SEPLN (2022)
Matías Rojas, Miguel Nussbaum, Pablo Chiuminatto, Orlando Guerrero, Samuel Greiff, Florian Krieger, Lindie Van Der Westhuizen
Assessing collaborative problem-solving skills among elementary school students. Comput. Educ. 175 (2021)
Pablo Báez, Fabián Villena, Matías Rojas, Manuel Durán, Jocelyn Dunstan
The Chilean Waiting List Corpus: a new resource for clinical Named Entity Recognition in Spanish. ClinicalNLP@EMNLP (2020)
Cecilia Saint-Pierre, Esteban Piñones, Matías Rojas, Valeria Herskovic
Prototype design and evaluation of a computer supported system for multidiscipline meetings in a primary healthcare center. ChileCHI (2013)