P
Paulo Rocha
Researcher at SINTEF
Publications - 15
Citations - 635
Paulo Rocha is an academic researcher from SINTEF. The author has contributed to research in topics: Clef & Portuguese. The author has an hindex of 11, co-authored 15 publications receiving 628 citations. Previous affiliations of Paulo Rocha include University of Minho.
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Book ChapterDOI
Overview of the CLEF 2004 multilingual question answering track
Bernardo Magnini,Alessandro Vallin,Christelle Ayache,Gregor Erbach,Anselmo Peñas,Maarten de Rijke,Paulo Rocha,Kiril Simov,Richard F. E. Sutcliffe +8 more
TL;DR: The evaluation exercise has highlighted some difficulties in assessing definition questions and can be improved in the future, but the overall analysis of submissions shows encouraging results as mentioned in this paper. But the evaluation process has been criticised in the past.
Book ChapterDOI
Overview of the CLEF 2006 multilingual question answering track
Bernardo Magnini,Danilo Giampiccolo,Pamela Forner,Christelle Ayache,Valentin Jijkoun,Petya Osenova,Anselmo Peñas,Paulo Rocha,Bogdan Sacaleanu,Richard F. E. Sutcliffe +9 more
TL;DR: The preparation of the test set and the evaluation process are described, together with a detailed presentation of the results for each of the languages, and two pilot tasks WiQA and AVE will be presented in dedicated articles.
Book ChapterDOI
Overview of the Clef 2008 multilingual question answering track
Pamela Forner,Anselmo Peñas,Eneko Agirre,Iñaki Alegria,Corina Forascu,Nicolas Moreau,Petya Osenova,Prokopis Prokopidis,Paulo Rocha,Bogdan Sacaleanu,Richard F. E. Sutcliffe,Erik Tjong Kim Sang +11 more
TL;DR: The QA campaign at CLEF 2008, was mainly the same as that proposed last year, but the main task still proved to be very challenging for participating systems and the best overall accuracy dropped significantly, but increased a little in the monolingual sub-tasks.
Book ChapterDOI
Overview of the CLEF 2007 Multilingual Question Answering Track
Danilo Giampiccolo,Pamela Forner,Jesús Herrera,Anselmo Peñas,Christelle Ayache,Corina Forascu,Valentin Jijkoun,Petya Osenova,Paulo Rocha,Bogdan Sacaleanu,Richard F. E. Sutcliffe +10 more
TL;DR: The results and the analyses reported by the participants suggest that the introduction of Wikipedia and the topic related questions led to a drop in systems' performance.
Proceedings ArticleDOI
Evaluating CETEMPúblico, a Free Resource for Portuguese
Diana Santos,Paulo Rocha +1 more
TL;DR: A thorough evaluation of a corpus resource for Portuguese, CETEMPublico, a 180-million word newspaper corpus free for R&D in Portuguese processing, thinks that the procedures presented can be of interest for the larger NLP community.