Can Character Embeddings Improve Cause-of-Death Classification for Verbal Autopsy Narratives?

Zhaodong Yan, Serena Jeblee, Graeme Hirst


Abstract
We present two models for combining word and character embeddings for cause-of-death classification of verbal autopsy reports using the text of the narratives. We find that for smaller datasets (500 to 1000 records), adding character information to the model improves classification, making character-based CNNs a promising method for automated verbal autopsy coding.
Anthology ID:
W19-5025
Volume:
Proceedings of the 18th BioNLP Workshop and Shared Task
Month:
August
Year:
2019
Address:
Florence, Italy
Editors:
Dina Demner-Fushman, Kevin Bretonnel Cohen, Sophia Ananiadou, Junichi Tsujii
Venue:
BioNLP
SIG:
SIGBIOMED
Publisher:
Association for Computational Linguistics
Note:
Pages:
234–239
Language:
URL:
https://aclanthology.org/W19-5025
DOI:
10.18653/v1/W19-5025
Bibkey:
Cite (ACL):
Zhaodong Yan, Serena Jeblee, and Graeme Hirst. 2019. Can Character Embeddings Improve Cause-of-Death Classification for Verbal Autopsy Narratives?. In Proceedings of the 18th BioNLP Workshop and Shared Task, pages 234–239, Florence, Italy. Association for Computational Linguistics.
Cite (Informal):
Can Character Embeddings Improve Cause-of-Death Classification for Verbal Autopsy Narratives? (Yan et al., BioNLP 2019)
Copy Citation:
PDF:
https://aclanthology.org/W19-5025.pdf