Document retrieval for question answering: a quantitative evaluation of text preprocessing. - Gracinda Carvalho; David Martins de Matos; Vítor Rocio (PIKM, 2007)

IdSay: Question Answering for Portuguese. - Gracinda Carvalho; David Martins de Matos; Vítor Rocio (CLEF (Working Notes), 2008)

Improving IdSay: A Characterization of Strengths and Weaknesses in Question Answering Systems for Portuguese. - Gracinda Carvalho; David Martins de Matos; Vítor Rocio (PROPOR, 2010)

Robust question answering - Gracinda Carvalho (2011)

Building and Exploring Semantic Equivalences Resources. - Gracinda Carvalho; David Martins de Matos; Vítor Rocio (LREC, 2012)

Searching a Mixed Corpus in the Light of the New Portuguese Orthographic Norm. - Gracinda Carvalho; Isabel Falé; David Martins de Matos; Vítor Rocio (PROPOR, 2012)

A Scalable Spam Filtering Architecture. - Nuno Ferreira; Gracinda Carvalho; Paulo Rogério Pereira (DoCEIS, 2013)