23rd International Conference on Text, Speech and Dialogue
TSD 2020, Brno, Czech Republic, September 8–11 2020
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TSD 2020 Keynote Speakers

Paolo Rosso

Dpto. Sistemas Informáticos y Computación (DSIC)
Universitat Politècnica de València


Keynote topic - Detecting fake news, hate speech and bots

Abstract: Social media have given the opportunity to users to publish content and express their opinions online in a fast and easy way. The ease of generating content online and the anonymity that social media provide have increased the amount of harmful content that is published. A great amount of fake news, hoaxes, hurtful comments, inaccurate reviews and offensive content is published and propagated every day in social media. Bots play also a key role in disseminating false claims and hate speech. In this keynote I will focus on two types of harmful information: fake news and hate speech. Moreover, I will describe some of the shared tasks that have been organised in our research community, also from an author profiling perspective, such as at PAN where given a Twitter feed, the aim has been to identify whether its author is a bot (2019), or s/he is keen to be a spreader of fake news (2020).

Paolo Rosso's Biography

Paolo Rosso is full professor at the Universitat Politecnica de Valencia, Spain where he is also member of the PRHLT research center. His research interests focus mainly on author profiling, irony detection, fake reviews detection, plagiarism detection, and recently hate speech and fake news detection. Since 2009 he has been involved in the organisation of PAN benchmark activities at CLEF and at FIRE evaluation forums, mainly on plagiarism / text reuse detection and author profiling. At SemEval he has been co-organiser of shared tasks on sentiment analysis of figurative language in Twitter (2015), and on multilingual detection of hate speech against immigrants and women in Twitter (2019). He is co-ordinator of the activities of IberLEF evaluation forum. He has been PI of national and international research projects funded by EC and U.S. Army Research Office. At the moment, in collaboration with Carnegie Mellon University, he is involved in a project funded by Qatar National Research Fund on author profiling for cyber-security. He serves as deputy steering committee chair for the CLEF conference and as associate editor for the Information Processing & Management journal. He has been chair of *SEM-2015, and organisation chair of CERI-2012, CLEF-2013 and EACL-2017. He is the author of 400+ papers, published in journals, book chapters, conference and workshop proceedings.

Diana Maynard

Natural Language Processing Group
Department of Computer Science
University of Sheffield
United Kingdom


Keynote topic -


Diana Maynard's Biography

Dr Diana Maynard is a Senior Researcher at the University of Sheffield, where since 2000 she has been one of the key developers of GATE, leading work on Sheffield’s open-source multilingual text analysis tools. Her main research interests are in developing tools and applications for information extraction, sentiment analysis, social media analysis, and terminology, and investigating correlations between human behaviour and language, including hate speech and misinformation. She has led teams on numerous European and national projects in a wide range of fields including politics, climate change, natural disasters, human rights, geography, journalism, and scientometrics. She regularly provides consultancy and training on text and social media analysis in both the public and private sector, as well as widespread community engagement through talks, tutorials, and publications.

Joakim Nivre

Uppsala University
Department of Linguistics and Philology
Box 635, SE-75126 Uppsala


Keynote topic -


Joakim Nivre's Biography

Joakim Nivre is Professor of Computational Linguistics at Uppsala University. He holds a Ph.D. in General Linguistics from the University of Gothenburg and a Ph.D. in Computer Science from Växjö University. His research focuses on data-driven methods for natural language processing, in particular for morphosyntactic and semantic analysis. He is one of the main developers of the transition-based approach to syntactic dependency parsing, described in his 2006 book Inductive Dependency Parsing and implemented in the widely used MaltParser system, and one of the founders of the Universal Dependencies project, which aims to develop cross-linguistically consistent treebank annotation for many languages and currently involves over 90 languages and over 300 researchers around the world. He has produced over 250 scientific publications and has more than 15,000 citations according to Google Scholar (March, 2020). He was the president of the Association for Computational Linguistics in 2017.

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