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Problematic Cases in the Annotation of Negation in Spanish

2016-12-01 · WS 2016 12 · Salud Mar{\'\i}a Jim{\'e}nez-Zafra, Maite Martin, L. Alfonso Ure{\~n}a-L{\'o}pez, Toni Mart{\'\i}, Mariona Taul{\'e}

This paper presents the main sources of disagreement found during the annotation of the Spanish SFU Review Corpus with negation (SFU ReviewSP -NEG). Negation detection is a challenge in most of the task related to NLP, so the availability of corpora annotated with this phenomenon is essential in order to advance in tasks related to this area. A thorough analysis of the problems found during the annotation could help in the study of this phenomenon.

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NegationNegation DetectionOpinion Mining Question Answering Sentiment Analysis

NUBES: A Corpus of Negation and Uncertainty in Spanish Clinical Texts

2020-04-02 · LREC 2020 5 · Salvador Lima, Naiara Perez, Montse Cuadros, German Rigau

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 currently consists of 29,682 sentences obt…

Negation

A review of Spanish corpora annotated with negation

2018-08-01 · COLING 2018 8 · Salud Mar{\'\i}a Jim{\'e}nez-Zafra, Roser Morante, Maite Martin, L. Alfonso Ure{\~n}a-L{\'o}pez

The availability of corpora annotated with negation information is essential to develop negation processing systems in any language. However, there is a lack of these corpora even for languages like English, and when the…

Negation Question Answering Sentiment Analysis

Annotating Negation in Spanish Clinical Texts

2017-04-01 · WS 2017 4 · Noa Cruz, Roser Morante, Manuel J. Ma{\~n}a L{\'o}pez, Jacinto Mata V{\'a}zquez 외

In this paper we present on-going work on annotating negation in Spanish clinical documents. A corpus of anamnesis and radiology reports has been annotated by two domain expert annotators with negation markers and negate…

Negation

Corpora Annotated with Negation: An Overview

2020-03-01 · CL 2020 3 · Salud Mar{\'\i}a Jim{\'e}nez-Zafra, Roser Morante, Mar{\'\i}a Teresa Mart{\'\i}n-Valdivia, L. Alfonso Ure{\~n}a-L{\'o}pez

Negation is a universal linguistic phenomenon with a great qualitative impact on natural language processing applications. The availability of corpora annotated with negation is essential to training negation processing …

Negation Semantic Role Labeling

Annotation of negation in the IULA Spanish Clinical Record Corpus

2017-04-01 · WS 2017 4 · Montserrat Marimon, Jorge Vivaldi, N{\'u}ria Bel

This paper presents the IULA Spanish Clinical Record Corpus, a corpus of 3,194 sentences extracted from anonymized clinical records and manually annotated with negation markers and their scope. The corpus was conceived a…

Medical Diagnosis Negation Negation Detection Term Extraction