no code implementations • LREC 2020 • Roser Morante, Chantal van Son, Isa Maks, Piek Vossen
In this paper we present the Vaccination Corpus, a corpus of texts related to the online vaccination debate that has been annotated with three layers of information about perspectives: attribution, claims and opinions.
1 code implementation • COLING 2018 • Chantal van Son, Roser Morante, Lora Aroyo, Piek Vossen
This paper reports on a reimplementation of a system on detecting implicit positive meaning from negated statements.
1 code implementation • WS 2016 • Chantal van Son, Emiel van Miltenburg, Roser Morante
This paper discusses the need for a dictionary of affixal negations and regular antonyms to facilitate their automatic detection in text.
no code implementations • LREC 2016 • Chantal van Son, Tommaso Caselli, Antske Fokkens, Isa Maks, Roser Morante, Lora Aroyo, Piek Vossen
In the last decade, different aspects of linguistic encoding of perspectives have been targeted as separated phenomena through different annotation initiatives.
no code implementations • LREC 2016 • Anne-Lyse Minard, Manuela Speranza, Ruben Urizar, Bego{\~n}a Altuna, Marieke van Erp, Anneleen Schoen, Chantal van Son
The {``}First CLIN Dutch Shared Task{''} at CLIN26 was based on the Dutch section, while the EVALITA 2016 FactA (Event Factuality Annotation) shared task, based on the Italian section, is currently being organized.
no code implementations • LREC 2014 • Chantal van Son, Marieke van Erp, Antske Fokkens, Piek Vossen
Both sentiment and event factuality are fundamental information levels for our understanding of events mentioned in news texts.