EVALITA. Evaluation of NLP and Speech Tools for Italian 2016
DOI: 10.4000/books.aaccademia.2001
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Context-aware Convolutional Neural Networks for Twitter Sentiment Analysis in Italian

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Cited by 17 publications
(27 citation statements)
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“…In particular, two binary SVM classifiers (one per subtask) are designed to adopt specific combinations of different kernel functions, each operating over a taskspecific tweet representation. This work extends the modeling proposed in (Castellucci et al, 2014) that was proved to be beneficial within the Irony Detection subtask within SENTIPOLC 2014. The UNITOR system here presented ranked 1 st and 2 nd in the Sarcasm Detection subtask, while it ranked 6 th and 7 th within the Irony Detection subtask.…”
Section: Introductionsupporting
confidence: 58%
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“…In particular, two binary SVM classifiers (one per subtask) are designed to adopt specific combinations of different kernel functions, each operating over a taskspecific tweet representation. This work extends the modeling proposed in (Castellucci et al, 2014) that was proved to be beneficial within the Irony Detection subtask within SENTIPOLC 2014. The UNITOR system here presented ranked 1 st and 2 nd in the Sarcasm Detection subtask, while it ranked 6 th and 7 th within the Irony Detection subtask.…”
Section: Introductionsupporting
confidence: 58%
“…The aim of this set of features is to capture irony by defining a set of irony-specific features inspired by the work of (Castellucci et al, 2014). Word Space Vector (WS)i sa250-dimensional vector representation of the average semantic meaning of a tweet according to a Word space model.…”
Section: Irony-specific Featuresmentioning
confidence: 99%
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“…48,49 Distributional polarity vectors capture the main usage of words but not their ironic or metaphorical senses. It should be interesting to verify if an approach similar to the one suggested by Castellucci et al 50 could be beneficial. In that work, deviation from standard semantic usages of words provides effective information on the irony detection task.…”
Section: Discussionmentioning
confidence: 99%
“…The UniPI team adopted a deep learning method that required the modeling of individual tweets through both WE and CNN (system named UniPI.2.c by Attardi et al [ 78 ]). The Unitor team took a similar approach to the UniPI team, using an extended representation of tweets with additional features taken from the Distributional Polarity Lexicons in combination with a CNN (systems named Unitor.1.u and Unitor.2.u by Castellucci et al [ 79 ]). The ItaliaNLP team used a SVM learning algorithm paired to an LSTM network based on specific linguistic and semantic feature engineering and existing external resources, such as lexicons specific for sentiment analysis tasks (system named ItaliaNLP.1.c by Cimino and Dell’Orletta [ 80 ]).…”
Section: Background and Related Workmentioning
confidence: 99%