On the linguistic representational power of neural machine translation models

Y Belinkov, N Durrani, F Dalvi, H Sajjad… - Computational …, 2020 - direct.mit.edu
Despite the recent success of deep neural networks in natural language processing and
other spheres of artificial intelligence, their interpretability remains a challenge. We analyze …

Negation and speculation in NLP: a Survey, Corpora, methods, and applications

A Mahany, H Khaled, NS Elmitwally, N Aljohani… - Applied Sciences, 2022 - mdpi.com
Negation and speculation are universal linguistic phenomena that affect the performance of
Natural Language Processing (NLP) applications, such as those for opinion mining and …

Corpora annotated with negation: An overview

SM Jiménez-Zafra, R Morante… - Computational …, 2020 - aclanthology.org
Negation is a universal linguistic phenomenon with a great qualitative impact on natural
language processing applications. The availability of corpora annotated with negation is …

Automatic extraction of nested entities in clinical referrals in Spanish

P Báez, F Bravo-Marquez, J Dunstan, M Rojas… - ACM Transactions on …, 2022 - dl.acm.org
Here we describe a new clinical corpus rich in nested entities and a series of neural models
to identify them. The corpus comprises de-identified referrals from the waiting list in Chilean …

NUBes: A corpus of negation and uncertainty in Spanish clinical texts

S Lima, N Perez, M Cuadros, G Rigau - arXiv preprint arXiv:2004.01092, 2020 - arxiv.org
This paper introduces the first version of the NUBes corpus (Negation and Uncertainty
annotations in Biomedical texts in Spanish). The corpus is part of an on-going research and …

Recent advances in processing negation

R Morante, E Blanco - Natural Language Engineering, 2021 - cambridge.org
Negation is a complex linguistic phenomenon present in all human languages. It can be
seen as an operator that transforms an expression into another expression whose meaning …

Multilingual negation scope resolution for clinical text

M Hartmann, A Søgaard - … of the 12th International Workshop on …, 2021 - aclanthology.org
Negation scope resolution is key to high-quality information extraction from clinical texts, but
so far, efforts to make encoders used for information extraction negation-aware have been …

[HTML][HTML] Negation and speculation processing: A study on cue-scope labelling and assertion classification in Spanish clinical text

N Perez, M Cuadros, G Rigau - Artificial intelligence in medicine, 2023 - Elsevier
Abstract Natural Language Processing (NLP) based on new deep learning technology is
contributing to the emergence of powerful solutions that help healthcare providers and …

Negation detection on mexican spanish tweets: The T-MexNeg corpus

G Bel-Enguix, H Gómez-Adorno, A Pimentel… - Applied Sciences, 2021 - mdpi.com
In this paper, we introduce the T-MexNeg corpus of Tweets written in Mexican Spanish. It
consists of 13,704 Tweets, of which 4895 contain negation structures. We performed an …

Neges 2018: Workshop on negation in spanish

SM Jiménez-Zafra, NPC Díaz, R Morante… - … del Lenguaje Natural, 2019 - journal.sepln.org
This paper presents the 2018 edition of NEGES, Workshop on Negation in Spanish, that
took place on September 18 as part of the 34th International Conference of the Spanish …