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Monitoring geometrical properties of word embeddings for detecting the emergence of new topics. ...
The 2021 Conference on Empirical Methods in Natural Language Processing 2021
;
Boumghar, Manel
;
Christophe, Clément
;
Cugliari, Jairo
;
Suignard, Philippe
;
Velcin, Julien
. - : Underline Science Inc., 2021
Abstract:
Anthology paper link: https://aclanthology.org/2021.emnlp-main.76/ Abstract: Slow emerging topic detection is a task between event detection, where we aggregate behaviors of different words on short period of time, and language evolution, where we monitor their long term evolution. In this work, we tackle the problem of early detection of slowly emerging new topics. To this end, we gather evidence of weak signals at the word level. We propose to monitor the behavior of words representation in an embedding space and use one of its geometrical properties to characterize the emergence of topics. As evaluation is typically hard for this kind of task, we present a framework for quantitative evaluation. We show positive results that outperform state-of-the-art methods on two public datasets of press and scientific articles. ...
Keyword:
Computational Linguistics
;
Information Extraction
;
Machine Learning
;
Machine Learning and Data Mining
;
Natural Language Processing
URL:
https://dx.doi.org/10.48448/c9jw-bj87
https://underline.io/lecture/37699-monitoring-geometrical-properties-of-word-embeddings-for-detecting-the-emergence-of-new-topics.
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