Assessing the impact of contextual information in hate speech detection

no code implementations • 2 Oct 2022 • Juan Manuel Pérez, Franco Luque, Demian Zayat, Martín Kondratzky, Agustín Moro, Pablo Serrati, Joaquín Zajac, Paula Miguel, Natalia Debandi, Agustín Gravano, Viviana Cotik

In this work, we provide a novel corpus for contextualized hate speech detection based on user responses to news posts from media outlets on Twitter.

Hate Speech Detection

A Corpus for Outbreak Detection of Diseases Prevalent in Latin America

no code implementations • CONLL 2020 • Antonella Dellanzo, Viviana Cotik, Jose Ochoa-Luna

In this paper we present an annotated corpus which can be used for training and testing algorithms to automatically extract information about diseases outbreaks from news and health reports.

Creation of an Annotated Corpus of Spanish Radiology Reports

no code implementations • 30 Oct 2017 • Viviana Cotik, Darío Filippo, Roland Roller, Hans Uszkoreit, Feiyu Xu

This paper presents a new annotated corpus of 513 anonymized radiology reports written in Spanish.

named-entity-recognition Named Entity Recognition +3

Annotation of Entities and Relations in Spanish Radiology Reports

no code implementations • RANLP 2017 • Viviana Cotik, Dar{\'\i}o Filippo, Rol Roller, , Hans Uszkoreit, Feiyu Xu

For this reason we performed a manual annotation of radiology reports written in Spanish.

General Classification Named Entity Recognition (NER) +1

Negation Detection in Clinical Reports Written in German

no code implementations • WS 2016 • Viviana Cotik, Rol Roller, , Feiyu Xu, Hans Uszkoreit, Klemens Budde, Danilo Schmidt

This work presents a system for detecting mentions of clinical findings that are negated or just speculated.

Named Entity Recognition (NER) Negation +2

Syntactic methods for negation detection in radiology reports in Spanish

no code implementations • WS 2016 • Viviana Cotik, Vanesa Stricker, Jorge Vivaldi, Horacio Rodriguez

Negation Negation Detection