Search Results for author: Andr{\'e} Bittar

Found 8 papers, 1 papers with code

Time Expressions in Mental Health Records for Symptom Onset Extraction

2 code implementations WS 2018 Natalia Viani, Lucia Yin, Joyce Kam, Ayunni Alawi, Andr{\'e} Bittar, Rina Dutta, Rashmi Patel, Robert Stewart, Sumithra Velupillai

Natural Language Processing (NLP) methods can be used to extract this data, in order to identify symptoms and treatments from mental health records, and temporally anchor the first emergence of these.

Temporal Information Extraction

Emotion Analysis on Twitter: The Hidden Challenge

no code implementations LREC 2016 Luca Dini, Andr{\'e} Bittar

Our evaluation shows that a machine learning classifier performs best on emotion detection, while a symbolic approach is better for identifying relevant (i. e. emotional) tweets.

BIG-bench Machine Learning Emotion Recognition

Un syst\`eme expert fond\'e sur une analyse s\'emantique pour l'identification de menaces d'ordre biologique

no code implementations JEPTALNRECITAL 2015 C{\'e}dric Lopez, Aleks Ponomareva, ra, C{\'e}cile Robin, Andr{\'e} Bittar, Xabier Larrucea, Fr{\'e}d{\'e}rique Segond, Marie-H{\'e}l{\`e}ne Metzger

Le projet europ{\'e}en TIER (Integrated strategy for CBRN {--} Chemical, Biological, Radiological and Nuclear {--} Threat Identification and Emergency Response) vise {\`a} int{\'e}grer une strat{\'e}gie compl{\`e}te et int{\'e}gr{\'e}e pour la r{\'e}ponse d{'}urgence dans un contexte de dangers biologiques, chimiques, radiologiques, nucl{\'e}aires, ou li{\'e}s aux explosifs, bas{\'e}e sur l{'}identification des menaces et d{'}{\'e}valuation des risques.

The Dangerous Myth of the Star System

no code implementations LREC 2014 Andr{\'e} Bittar, Luca Dini, Sigrid Maurel, Mathieu Ruhlmann

In recent years we have observed two parallel trends in computational linguistics research and e-commerce development.

Named Entity Recognition (NER) Opinion Mining +1

Temporal Annotation: A Proposal for Guidelines and an Experiment with Inter-annotator Agreement

no code implementations LREC 2012 Andr{\'e} Bittar, Caroline Hag{\`e}ge, V{\'e}ronique Moriceau, Xavier Tannier, Charles Teiss{\`e}dre

We provide results of an initial application of these guidelines to real news-wire texts in French over several iterations of the annotation process.

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