Ranking and Selecting Multi-Hop Knowledge Paths to Better Predict Human Needs

Debjit Paul, Anette Frank


Abstract
To make machines better understand sentiments, research needs to move from polarity identification to understanding the reasons that underlie the expression of sentiment. Categorizing the goals or needs of humans is one way to explain the expression of sentiment in text. Humans are good at understanding situations described in natural language and can easily connect them to the character’s psychological needs using commonsense knowledge. We present a novel method to extract, rank, filter and select multi-hop relation paths from a commonsense knowledge resource to interpret the expression of sentiment in terms of their underlying human needs. We efficiently integrate the acquired knowledge paths in a neural model that interfaces context representations with knowledge using a gated attention mechanism. We assess the model’s performance on a recently published dataset for categorizing human needs. Selectively integrating knowledge paths boosts performance and establishes a new state-of-the-art. Our model offers interpretability through the learned attention map over commonsense knowledge paths. Human evaluation highlights the relevance of the encoded knowledge.
Anthology ID:
N19-1368
Volume:
Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers)
Month:
June
Year:
2019
Address:
Minneapolis, Minnesota
Venue:
NAACL
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
3671–3681
Language:
URL:
https://aclanthology.org/N19-1368
DOI:
10.18653/v1/N19-1368
Bibkey:
Cite (ACL):
Debjit Paul and Anette Frank. 2019. Ranking and Selecting Multi-Hop Knowledge Paths to Better Predict Human Needs. In Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers), pages 3671–3681, Minneapolis, Minnesota. Association for Computational Linguistics.
Cite (Informal):
Ranking and Selecting Multi-Hop Knowledge Paths to Better Predict Human Needs (Paul & Frank, NAACL 2019)
Copy Citation:
PDF:
https://aclanthology.org/N19-1368.pdf
Supplementary:
 N19-1368.Supplementary.pdf
Presentation:
 N19-1368.Presentation.pdf
Video:
 https://vimeo.com/361758446