A tool for polarity classification of human affect from panel group texts. - Manfred Klenner; Stefanos Petrakis; Angela Fahrni (ACII, 2009)

PolArt: A Robust Tool for Sentiment Analysis. - Manfred Klenner; Angela Fahrni; Stefanos Petrakis (NODALIDA, 2009)

Robust Compositional Polarity Classification. - Manfred Klenner; Stefanos Petrakis; Angela Fahrni (RANLP, 2009)

Composition multilingue de sentiments. - Stefanos Petrakis; Manfred Klenner; Étienne Ailloud; Angela Fahrni (TALN (Demonstrations), 2009)

United we Stand: Improving Sentiment Analysis by Joining Machine Learning and Rule Based Methods. - Vassiliki Rentoumi; Stefanos Petrakis; Manfred Klenner; George A. Vouros; Vangelis Karkaletsis (LREC, 2010)

A Collaborative System for Sentiment Analysis. - Vassiliki Rentoumi; Stefanos Petrakis; Vangelis Karkaletsis; Manfred Klenner; George A. Vouros (SETN, 2010)

MLSA - A Multi-layered Reference Corpus for German Sentiment Analysis. - Simon Clematide; Stefan Gindl; Manfred Klenner; Stefanos Petrakis; Robert Remus; Josef Ruppenhofer; Ulli Waltinger; Michael Wiegand (LREC, 2012)

Polarity Preference of Verbs: What Could Verbs Reveal about the Polarity of Their Objects? - Manfred Klenner; Stefanos Petrakis (NLDB, 2012)

Inducing the contextual and prior polarity of nouns from the induced polarity preference of verbs. - Manfred Klenner; Stefanos Petrakis (Data Knowl. Eng., 2014)