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https://ceur-ws.org/Vol-2481/preface.pdf
Preface
It is our great pleasure to welcome you to CLiC-it 2019 (clic2019.di.uniba.it/),
the Sixth Italian Conference on Computational Linguistics, held between
November 13th and 15th in Bari, hosted and locally organized by Università
degli Studi di Bari Aldo Moro.
The CLiC-it conference series is an initiative of the Italian Association
for Computational Linguistics (AILC) which, after six years of activity, has
clearly established itself as the premier national forum for research and de-
velopment in the fields of Computational Linguistics and Natural Language
Processing, where leading researchers and practitioners from academia and
industry meet to share their research results, experiences, and challenges.
The maturity of the conference is reflected by the quality of the submitted
works. We would like to take this opportunity to warmly thank all the
authors for submitting their original research. This year CLiC-it received 82
submissions, confirming its increasing trend (from 64 submissions in 2015 to
70 in 2018).
The Program Committee worked very hard to ensure that every paper
received at least two careful and fair reviews, with the 69.51% of the papers
which received three or even more reviews. This process finally led to the
acceptance of 20 papers for oral presentation and 55 papers for poster pre-
sentation, with a global acceptance rate of 91.46% motivated by the inclusive
spirit of the conference.
That process involved 34 Area Chairs and 209 Program Committee mem-
bers. They were assisted by 4 additional reviewers. We are extremely grateful
to all the PC members and reviewers for producing 238 detailed and insight-
ful reviews.
The conference is also receiving considerable attention from the inter-
national community, with 26 (31.71%) submitted papers showing at least
one author affiliated to a foreign institution, of which 24 accepted (32%).
This amounts to a total of 41 authors over 252 (16.33%) affiliated to 14
foreign countries: Croatia, Denmark, France, Germany, Ireland, Luxem-
bourg, Malta, Netherlands, Romania, Russia, Spain, Switzerland, Turkey,
and United States.
Regardless of the format of presentation, all accepted papers are included
in the proceedings equally and are available as open access publication. In
line with previous editions, the conference is organised around thematic areas
managed by two chairs per area.
In addition to the technical program, this year we have two invited talks
and a tutorial on different topics, showing the interdisciplinary spirit of our
research community. We are very grateful to both Raquel Fernández (Uni-
versity of Amsterdam) for agreeing to share with the Italian Computational
Linguistics community her knowledge on visually grounded dialogue models,
and to Andrea Moro (Scuola Universitaria Superiore IUSS Pavia) for shar-
ing his expertise on the architecture of human grammars, as well as to Dirk
Hovy for his tutorial on the problem of bias in Natural Language Processing
applications.
As in the previous edition of the conference, we organised a special track
called ”Research Communications”, encouraging authors of articles published
in 2019 at outstanding international conferences in our field to submit short
abstracts of their work. Research communications are not published in the
proceedings, but they are orally presented within a dedicated session at the
conference, in order to enforce dissemination of excellence in research. We
received 10 submissions and could include 6 of them in the program.
Finally, the program includes a panel discussion on Ethical issues in Nat-
ural Language Processing chaired by Alessandro Lenci (University of Pisa).
The goal of the panel is to foster a discussion on some key ethical topics in
NLP research and applications, with a focus on their impact on the Italian
community. Themes of the panel include negative stereotypes in data-driven
computational models; sustainability of data- and resource-intense NLP; the
impact of NLP technology in digital society; privacy and NLP, among other
crucial questions.
Traditionally, around one half of the participants at CLiC-it are young
postdocs, PhD students, or even undergraduate students. Following the tra-
dition of past years, a prize will be given to the best paper among those
whose first author is a student. This year, the best paper will be selected
among 14 oral papers and 30 papers presented as posters.
Moreover, during the conference we award the prize for the best Master
Thesis (Laurea Magistrale) in Computational Linguistics, defended at an
Italian University between August 1st 2018 and July 31st 2019. This special
prize is also endorsed by AILC. We received 6 candidate theses, which have
been evaluated by a special jury. The prize will be awarded at the conference
by a member of the jury.
Even if CLiC-it is a medium size conference, organizing this annual meet-
ing requires major effort from many people. This conference would not have
been possible without the dedication, devotion and hard work of the mem-
bers of the Local Organising Committee and of the Student Volunteers, who
offered their time and energies during the past last year to contribute to the
success of the event. We are also extremely grateful to our Program Com-
mittee members for producing a lot of detailed and insightful reviews, as well
as to the Area Chairs who assisted the Program Chairs in their duties. All
these people are named in the following pages.
In addition to the contributions mentioned above, we also gratefully ac-
knowledge the support from endorsing organisations and institutions and
from all of our sponsors, who generously provided funds and services that
are crucial for the realisation of this event. Special thanks are also due to
the University of Bari Aldo Moro for its support in the organisation of the
event, as well as to our media partner Start Magazine.
Please join us at CLiC-it 2019 to interact with experts from academia
and industry on topics related to Computational Linguistics and Natural
Language Processing, and to experience and share new research findings,
best practices, state-of-the-art systems and applications. We hope that, as
in the past, this year’s conference will be intellectually stimulating, and that
you will take home many new ideas and methods that will help extend your
own research.
Raffaella Bernardi, Roberto Navigli, Giovanni Semeraro
CLiC-it 2019 Conference and Program Chairs
Organizing Committee
Conference and Program Chairs
Raffaella Bernardi, Università degli Studi di Trento
Roberto Navigli, Università degli Studi di Roma La Sapienza
Giovanni Semeraro, Università degli Studi di Bari Aldo Moro
Area Chairs
Dialogue, Discourse and Natural Language Generation
– Alessandro Mazzei, Università degli Studi di Torino
– Marco Guerini, Fondazione Bruno Kessler
Explainability of Deep Learning models for NLP
– Danilo Croce, Università degli Studi di Roma Tor Vergata
– Aurelie Herbelot, Università degli Studi di Trento
Information Extraction, Information Retrieval and Question Answer-
ing
– Raffaele Perego, ISTI - CNR
– Stefano Mizzaro, Università degli Studi di Udine
Knowledge Representation
– Enrico Franconi, Libera Università di Bolzano
– Diego Reforgiato, Università degli Studi di Cagliari
Language Resources and Evaluation
– Elisabetta Jezek, Università degli Studi di Pavia
– Cristina Bosco, Università degli Studi di Torino
Lexical and Sentence-level Semantics
– Alessandro Panunzi, Università degli Studi di Firenze
– Rocco Tripodi, Università Ca’ Foscari di Venezia
Linguistic Issues in CL and NLP
– Marco Passarotti, Università Cattolica del Sacro Cuore, Milano
– Malvina Nissim, Università di Groningen
Linguistic Theories, Cognitive Modelling and Psycholinguistics
– Marco Marelli, Università degli Studi di Milano-Bicocca
– Francesco Vespignani, Università degli Studi di Trento
Machine Translation and Multilinguality
– Luisa Bentivogli, Fondazione Bruno Kessler
– Johanna Monti, Università degli Studi di Napoli L’Orientale
Morphology and Syntax Processing
– Fabio Tamburini, FICLIT - Alma mater studiorum Università di
Bologna
– Cristiano Chesi, Ne.T.S.IUSS Center for Neurolinguistics and The-
oretical Syntax, Pavia
NLP for Digital Humanities
– Federico Boschetti, Istituto di Linguistica Computazionale ”A.
Zampoli” (ILC), CNR di Pisa
– Rachele Sprugnoli, Università Cattolica del Sacro Cuore, Milano
NLP for Web and Social Media
– Serena Villata, CNRS - Laboratoire d’Informatique, Signaux et
Systèmes de Sophia-Antipolis
– Viviana Patti, Università degli Studi di Torino
Pragmatics and Creativity
– Federica Cavicchio, Università degli Studi di Padova
– Carlo Strapparava, Fondazione Bruno Kessler
Research and Industrial NLP Applications
– Francesca Bonin, IBM Research AI
– Alessandro Moschitti, Amazon
Replicable and Reproducible methods
– Pierpaolo Basile, Università degli Studi di Bari Aldo Moro
– Giorgio Maria Di Nunzio, Università degli Studi di Padova
Spoken Language Processing and Automatic Speech Understanding
– Francesco Cutugno, Università degli Studi di Napoli Federico II
– Alessandro Vietti, Libera Università di Bolzano
Vision, Robotics, Multimodal and Grounding
– Tatiana Tommasi, Istituto Italiano di Tecnologia, Milano
– Raffaella Folgieri, Università degli Studi di Milano
Local Organisers from the University of Bari
Aldo Moro
Pierpaolo Basile
Marco de Gemmis
Andrea Iovine
Pasquale Lops
Cataldo Musto
Fedelucio Narducci
Nicole Novielli
Marco Polignano
Gaetano Rossiello
Lucia Siciliani
Vincenzo Tamburrano
Student Volunteers
Giuseppe Colavito
Paolo Gasparro
Eleonora Ghizzota
Daniela Grassi
Lorenzo Loconte
Program Committee members and Reviewers
Alishahi Afra, Laura Aina, Mehwish Alam, Giambattista Amati, Oscar Araque,
Luigi Asprino, Giuseppe Attardi, Mattia Atzeni, Vevake Balaraman, Simone
Balloccu, Valentina Bambini, Eduard Barbu, Pierpaolo Basile, Valerio Basile,
Roberto Basili, Andrea Bellandi, Luisa Bentivogli, Monica Berti, Marianna
Bolognesi, Francesca Bonin, Federico Boschetti, Cristina Bosco, Antonio
Branco, Pauli J Brattico, Dominique Brunato, Cristina Burani, Maria Grazia
Busa, Davide Buscaldi, Marina Buzzoni, José G. C. de Souza, Elena Cabrio,
Basilio Calderone, Charles Callaway, Nicoletta Calzolari, Emanuela Camp-
isi, Lea Canales, Francesco Cangemi, Annalina Caputo, Tommaso Caselli,
Giuseppe Castellucci, Federica Cavicchio, Giuseppe Giovanni Antonio Celano,
Fabio Celli, Loredana Cerrato, Mauro Cettolo, Cristiano Chesi, Francesca
Chiusaroli, Grzegorz Chrupala, Andrea Cimino, Michael Cochez, Giovanni
Colavizza, Simone Conia, Sergio Consoli, Anna Corazza, Gianpaolo Coro,
Piero Cosi, Gregory Crane, Alice Cravotta, Davide Crepaldi, Fabio Crestani,
Danilo Croce, Francesco Cutugno, Francesca D’Errico, Giovanni Da San
Martino, Rossana Damiano, Marco de Gemmis, Daniele De Massari, Thierry
Declerck, Dario Del Fante, Angelo Mario Del Grosso, Marco Del Tredici,
Felice Dell’Orletta, Claudio Delli Bovi, Danilo Dessi, Barbara Di Euge-
nio, Mattia Antonino Di Gangi, Maria Di Maro, Giorgio Maria Di Nun-
zio, Mauro Dragoni, Maud Ehrmann, Andrea Esuli, Kilian Evang, Stefano
Faralli, Dimeji Farri, Anna Feltracco, Marcello Ferro, Nicola Ferro, Simone
Filice, Antske Fokkens, Raffaella Folgieri, Enrico Franconi, Diego Frassinelli,
Francesca Frontini, Aldo Gangemi, Albert Gatt, Lorenzo Gatti, Emiliano
Giovannetti, Alessandro Giuliani, Marco Guerini, Christian Hardmeier, Sa-
did Hasan, Dag Haug, Rim Helaoui, Monique Hendriks, Aurelie Herbe-
lot, Amac Herdagdelen, Delia Irazu Hernandez Farias, Ignacio Iacobacci,
Carlos A. Iglesias, Diana Inkpen, Elisabetta Jezek, Charles Jochim, Alina
Karakanta, Ana Kostadinovska, Adamantios Koumpis, E J Krahmer, San-
dra Kuebler, Alexander Kuhnle, Jacek Kustra, Surafel Melaku Lakew, Al-
berto Lavelli, Gianluca Lebani, Alessandro Lenci, Eleonora Litta, Giorgia
Lodi, Samuel Louvan, Claudio Lucchese, Marco Maggini, Simone Magno-
lini, Paolo Mairano, Maria Maistro, Francesco Mambrini, Alice Marascu,
Diego Marcheggiani, Marco Marelli, Mirko Marras, Claudia Marzi, Alessan-
dro Mazzei, Massimo Melucci, Stefano Menini, V. Menkovski, Stefano Miz-
zaro, Massimo Moneglia, Johanna Monti, Alessandro Moschitti, Claudio
Mulatti, Maria Teresa Musacchio, Cataldo Musto, Federico Nanni, Franco
Maria Nardini, Fedelucio Narducci, Costanza Navarretta, Vincent Ng, Mas-
simo Nicosia, Malvina Nissim, Nicole Novielli, Andrea Nuzzolese, Anto-
nio Origlia, Salvatore Orlando, Francesco Osborne, Petya Osenova, Alessio
Palmero Aprosio, Ludovica Pannito, Alessandro Panunzi, Patrick Paroubek,
Tommaso Pasini, Lucia Passaro, Marco Passarotti, Viviana Patti, Steffen
Pauws, Raffaele Perego, Diego Pescarini, Sandro Pezzelle, Paola Pietrandrea,
Vito Pirrelli, Massimo Poesio, Isabella Poggi, Marco Polignano, Edoardo
Maria Ponti, Marten Postma, Valentina Presutti, Valeria Quochi, Daniele
Radicioni, Alessandro Raganato, Diego Reforgiato, Corentin Ribeyre, Daniele
Riboni, Bruce Robertson, Matteo Romanello, Salvatore Romeo, Francesco
Ronzano, Paolo Rosso, Agata Rotondi, Alessandro Russo, Irene Russo, Bog-
dan Sacaleanu, Harald Sack, Manuela Sanguinetti, Marco S. G. Senaldi,
Lucia Siciliani, Fabrizio Silvestri, Maria Simi, Luca Soldaini, Claudia So-
ria, Rachele Sprugnoli, Jacopo Staiano, Ieva Staliunaite, R. Stephens, Carlo
Strapparava, Francesca Strik Lievers, Simone Sulpizio, Fabio Tamburini,
Amirhossein Tebbifakhr, Maurizio Tesconi, Tatiana Tommasi, Sara Tonelli,
Rocco Tripodi, Enrica Troiano, Marco Turchi, Antonio Uva, Dieter Van de
Craen, Marieke van Erp, Rossella Varvara, Giulia Venturi, Francesco Vespig-
nani, Federica Vezzani, Alessandro Vietti, Laure Vieu, Serena Villata, Marco
Viviani, Pieter Vos, Ivan Vulić, Tobias Wirth, Charalampos Xanthopoulakis,
Fabio Massimo Zanzotto and Enrico Zovato.
CLiC-it 2019 is endorsed by
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