Ricardo Daniel Ribeiro

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Ricardo Ribeiro

Ricardo Ribeiro graduated in Mathematics/Informatics in 1996 from Universidade da Beira Interior (UBI), received a MSc degree in Electrical and Computer Engineering from Instituto Superior Técnico (IST) in 2003, on morpho-syntactic disambiguation, and PhD degree in Information Systems and Computer Engineering from Instituto Superior Técnico (IST) in 2011.

Ricardo was a lecturer at ISCTE from 1999 to 2011, teaching programming. He is currently an assistant professor. He began is research life at the Natural Language Group of INESC, from 1996 to 2001. He is currently a researcher at the Spoken Language Systems Lab (L²F).

His current research interests are: automatic speech/text summarization, discourse processing, and corpora processing tools. In the past, he has participated in several European and National projects, such as LE-PAROLE, LE-SIMPLE and "Léxico Multifuncional Computadorizado do Português Europeu".

Publications

Edited Books

2004

  • António Branco, Amália Mendes, Ricardo Ribeiro, Language Technology for Portuguese: shallow processing tools and resources, Edições Colibri, Lisboa, October 2004

Book Chapters

2013

  • Ricardo Ribeiro, David Martins de Matos, Multi-source, Multilingual Information Extraction and Summarization, chapter Improving Speech-to-Text Summarization by Using Additional Information Sources, Springer, , January 2013

2004

International Journals

2023

  • Bruno Taborda, Ana Maria de Almeida, José Carlos Dias, Fernando Batista, Ricardo Ribeiro, SA-MAIS: Hybrid automatic sentiment analyser for stock market, Journal of Information Science, doi: 10.1177/01655515231171361, May 2023
  • Ana Rita Peixoto, Ana de Almeida, Nuno António, Fernando Batista, Ricardo Ribeiro, Diachronic profile of startup companies through social media, Social Network Analysis and Mining, Springer Nature, vol. 13, n. 1, pages 52, doi: https://doi.org/10.1007/s13278-023-01055-2, https://doi.org/10.1007/s13278-023-01055-2, March 2023
  • Paula Carvalho, Danielle Caled, Cláudia Silva, Fernando Batista, Ricardo Ribeiro, The expression of hate speech against Afro-descendant, Roma, and LGBTQ+ communities in YouTube comments, Journal of Language Aggression and Conflict, doi: https://doi.org/10.1075/jlac.00085.car, December 2023

2022

  • Mariana Cavique, Ricardo Ribeiro, Fernando Batista, Antónia Correia, Examining Airbnb guest satisfaction tendencies: a text mining approach, Current Issues in Tourism, Routledge, vol. 0, n. 0, pages 1-16, doi: 10.1080/13683500.2022.2115877, September 2022
  • Carolina Ferraz Marreiros, João Boné, João C. Ferreira, Ricardo Ribeiro, Social Media Insights About COVID-19 in Portugal: A Text Mining Approach, Journal of Mobile Multimedia, River Publishers, vol. 19, n. 1, pages 325 - 362, doi: 10.13052/jmm1550-4646.19117, September 2022
  • João Antão, Rúben Pereira, Ricardo Ribeiro, Mobile CRM development for real estate agents, Property Management, Emerald, vol. 40, n. 4, doi: 10.1108/PM-05-2021-0029, July 2022
  • Mariana Cavique, Antónia Correia, Ricardo Ribeiro, Fernando Batista, What are Airbnb hosts advertising? A longitudinal essay in Lisbon, Consumer Behavior in Tourism and Hospitality, Emerald, vol. 17, n. 3, pages 312--325, doi: 10.1108/CBTH-10-2021-0253, July 2022
  • Francisco Afonso Raposo, David Martins de Matos, Ricardo Ribeiro, Learning low-dimensional semantics for music and language via multi-subject fMRI, Neuroinformatics, Springer, doi: 10.1007/s12021-021-09560-5, January 2022

2021

  • Ana Margarida Veiga Simão, Paula Ferreira, Nádia Pereira, Sofia Oliveira, Paula Paulino, Hugo Rosa, Ricardo Ribeiro, Luísa Coheur, Joao P. Carvalho, Isabel Trancoso, Prosociality in Cyberspace: Developing Emotion and Behavioral Regulation to Decrease Aggressive Communication, Cognitive Computation, Springer, vol. 13, n. 3, pages 736–750, doi: 10.1007/s12559-021-09852-7, May 2021
  • Elizabeth Fernandes, Sérgio Moro, Paulo Cortez, Fernando Batista, Ricardo Ribeiro, A Data-driven Approach to Measure Restaurant Performance Combining Online Reviews and Historical Sales Data, International Journal of Hospitality Management, Elsevier, vol. 94, doi: 10.1016/j.ijhm.2020.102830, April 2021
  • Francisco Afonso Raposo, David Martins de Matos, Ricardo Ribeiro, Assessing Kinetic Meaning via Deep Cross-Modal Retrieval of Music and Dance, Neural Computing and Applications, Springer, vol. 33, n. 21, pages 14481-14493, doi: 10.1007/s00521-021-06090-8, April 2021

2020

  • Eugénio Ribeiro, Andreia Sofia Teixeira, Ricardo Ribeiro, David Martins de Matos, Semantic frame induction through the detection of communities of verbs and their arguments, Applied Network Science, Springer, vol. 5, doi: 10.1007/s41109-020-00312-z, September 2020
  • Mariana Rebelo Dias, João Boné, João Ferreira, Ricardo Ribeiro, Rui Filipe Pedroso Maia, Named entity recognition for sensitive data discovery in Portuguese, Applied Sciences, MDPI, vol. 10, n. 7, doi: 10.3390/app10072303, March 2020
  • João Boné, João C. Ferreira, Ricardo Ribeiro, Gonçalo Cadete, DisBot: A Portuguese Disaster Support Dynamic Knowledge Chatbot, Applied Sciences, MDPI, December 2020

2019

  • Sérgio Moro, Fernando Batista, Paulo Rita, Cristina Oliveira, Ricardo Ribeiro, Are the States United? An analysis of US hotels’ offers through TripAdvisor’s eyes, Journal of Hospitality and Tourism Research, SAGE, doi: 10.1177/1096348019854793, June 2019
  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, A Multilingual and Multidomain Study on Dialog Act Recognition Using Character-Level Tokenization, Information, MDPI, vol. 10, n. 3, doi: 10.3390/info10030094, Basel, Switzerland, March 2019
  • Francisco Afonso Raposo, David Martins de Matos, Ricardo Ribeiro, An information-theoretic approach to machine-oriented music summarization, Pattern Recognition Letters, Elsevier, doi: 10.1016/j.patrec.2019.03.014, March 2019
  • Hugo Rosa, Nádia Pereira, Ricardo Ribeiro, Paula da Costa Ferreira, Joao P. Carvalho, Sofia Oliveira, Luísa Coheur, Paula Paulino, Ana Margarida Veiga Simão, Isabel Trancoso, Automatic cyberbullying detection: A systematic review, Computers in Human Behavior, Elsevier, vol. 93, pages 333-345, doi: https://doi.org/10.1016/j.chb.2018.12.021, January 2019

2018

  • Sérgio Moro, Paulo Rita, Cristina Oliveira, Fernando Batista, Ricardo Ribeiro, Leveraging national tourist offices through data analytics, International Journal of Culture, Tourism and Hospitality Research, vol. 14, n. 4, doi: 10.1108/IJCTHR-04-2018-005, July 2018
  • Nuno António, Ana de Almeida, Luís Nunes, Fernando Batista, Ricardo Ribeiro, Hotel online reviews: different languages, different opinions, Information Technology & Tourism, Springer Berlin Heidelberg, vol. 18, n. 1, pages 157--185, doi: 10.1007/s40558-018-0107-x, April 2018
  • Nuno António, Ana Almeida, Luis Nunes, Fernando Batista, Ricardo Ribeiro, Hotel online reviews: Creating a multi-source aggregated index, International Journal of Contemporary Hospitality Management, vol. 30, n. 10, doi: 10.1108/IJCHM-05-2017-0302, March 2018

2017

  • André L. Santos, Gonçalo Prendi, Hugo Sousa, Ricardo Ribeiro, Stepwise API usage assistance using n-gram language models, Journal of Systems and Software, Elsevier, vol. 131, pages 461-474, doi: 10.1016/j.jss.2016.06.063, September 2017
  • Luís Marujo, Ricardo Ribeiro, Anatole Gershman, David Martins de Matos, João Paulo da Silva Neto, Jaime Carbonell, Event-Based Summarization using a Centrality-As-Relevance Model, Knowledge and Information Systems, Springer, vol. 50, n. 3, pages 945-968, doi: 10.1007/s10115-016-0966-4, March 2017

2016

  • Ana Marta Simões Aparício, Paulo César Dias Figueiredo, Francisco Afonso Raposo, David Martins de Matos, Ricardo Ribeiro, Luís Marujo, Summarization of Films and Documentaries Based on Subtitles and Scripts, Pattern Recognition Letters, Elsevier, vol. 73, pages 7-12, doi: 10.1016/j.patrec.2015.12.016, April 2016
  • Luís Marujo, Wang Ling, Ricardo Ribeiro, Anatole Gershman, Jaime Carbonell, David Martins de Matos, João Paulo da Silva Neto, Exploring Events and Distributed Representations of Text in Multi-Document Summarization, Knowledge-Based Systems, Elsevier, vol. 94, pages 33-42, doi: 10.1016/j.knosys.2015.11.005, February 2016

2015

  • Francisco Afonso Raposo, Ricardo Ribeiro, David Martins de Matos, On the Application of Generic Summarization Algorithms to Music, IEEE Signal Processing Letters, IEEE, vol. 22, n. 1, doi: 10.1109/LSP.2014.2347582, January 2015

2013

  • Fernando Batista, Ricardo Ribeiro, Sentiment Analysis and Topic Classification based on Binary Maximum Entropy Classifiers, Procesamiento de Lenguaje Natural, Sociedad Española para el Procesamiento de Lenguaje Natural, vol. 50, n. 1, pages 77–84, March 2013

2011

Edited Proceedings

2016

  • João Silva, Ricardo Ribeiro, Paulo Quaresma, André Adami, António Branco, Computational Processing of the Portuguese Language — 12th International Conference, PROPOR 2016, Tomar, Portugal, July 13-15, 2016, Proceedings, Springer, Lecture Notes in Computer Science, 9727, July 2016

2009

2003

  • António Branco, Amália Mendes, Ricardo Ribeiro, Tagging and Shallow Processing of Portuguese: workshop notes of TASHA 2003 (TR-03-28), DI-FCUL, Lisboa, October 2003

International Conferences

2022

  • Bernardo Cunha Matos, Raquel Bento Santos, Paula Carvalho, Ricardo Ribeiro, Fernando Batista, Comparing Different Approaches for Detecting Hate Speech in Online Portuguese Comments, In 11th Symposium on Languages, Applications and Technologies (SLATE 2022), Schloss Dagstuhl -- Leibniz-Zentrum für Informatik, vol. 104, series Open Access Series in Informatics (OASIcs), pages 10:1--10:12, doi: https://doi.org/10.4230/OASIcs.SLATE.2022.10, https://drops.dagstuhl.de/opus/volltexte/2022/16756, July 2022
  • Raquel Bento Santos, Bernardo Cunha Matos, Paula Carvalho, Fernando Batista, Ricardo Ribeiro, Semi-Supervised Annotation of Portuguese Hate Speech Across Social Media Domains, In 11th Symposium on Languages, Applications and Technologies (SLATE 2022), Schloss Dagstuhl -- Leibniz-Zentrum für Informatik, vol. 104, series Open Access Series in Informatics (OASIcs), pages 11:1--11:14, doi: https://doi.org/10.4230/OASIcs.SLATE.2022.11, https://drops.dagstuhl.de/opus/volltexte/2022/16757, July 2022
  • Paula Carvalho, Bernardo Cunha Matos, Raquel Bento Santos, Fernando Batista, Ricardo Ribeiro, Hate Speech Dynamics Against African descent, Roma and LGBTQI Communities in Portugal, In LREC 2022 - 13th Conference on Language Resources and Evaluation, European Language Resources Association (ELRA), June 2022
  • Beatriz Paula, João Coelho, Diogo Mano, Carlos Coutinho, João P. Oliveira, Ricardo Ribeiro, Fernando Batista, Collaborative Filtering for Mobile Application Recommendation with Implicit Feedback, In IEEE ICE - IAMOT Conference 2022, pages 1065 -- 1073, December 2022

2021

  • Gustavo Silva, Ricardo Ribeiro, Rui Lopes, “How Was the Match?”: Semantic similarity between electronic media commentary and work domain analysis key phrases, In 9th International Conference on Sport Sciences Research and Technology Support - icSPORTS, SciTePress, pages 144-150, doi: 10.5220/0010691100003059, October 2021
  • Rosária Bunga, Fernando Batista, Ricardo Ribeiro, From Implicit Preferences to Ratings: Video Games Recommendation based on Collaborative Filtering, In 13th International Joint Conference on Knowledge Discovery and Information Retrieval, SciTePress, October 2021
  • João Coelho, António Neto, Miguel Tavares, Carlos Coutinho, João Oliveira, Ricardo Ribeiro, Fernando Batista, Transformer-based language models for semantic search and mobile applications retrieval, In 13th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management, SciTePress, pages 225-232, doi: 10.5220/0010657300003064, October 2021
  • João Coelho, António Neto, Miguel Tavares, Carlos Coutinho, Ricardo Ribeiro, Fernando Batista, Semantic Search of Mobile Applications Using Word Embeddings, In 10th Symposium on Languages, Applications and Technologies (SLATE 2021), Schloss Dagstuhl -- Leibniz-Zentrum für Informatik, vol. 94, series Open Access Series in Informatics (OASIcs), pages 12:1--12:12, doi: 10.4230/OASIcs.SLATE.2021.12, https://drops.dagstuhl.de/opus/volltexte/2021/14429, July 2021
  • Cátia Tavares, Ricardo Ribeiro, Fernando Batista, Sentiment Analysis of Portuguese Economic News, In 10th Symposium on Languages, Applications and Technologies (SLATE 2021), Schloss Dagstuhl -- Leibniz-Zentrum für Informatik, vol. 94, series Open Access Series in Informatics (OASIcs), pages 17:1--17:13, doi: 10.4230/OASIcs.SLATE.2021.17, July 2021

2020

  • Soraia Filipe, Fernando Batista, Ricardo Ribeiro, Different Lexicon-Based Approaches to Emotion Identification in Portuguese Tweets (Short Paper), In 9th Symposium on Languages, Applications and Technologies (SLATE 2020), Schloss Dagstuhl--Leibniz-Zentrum für Informatik, vol. 83, series OpenAccess Series in Informatics (OASIcs), pages 12:1--12:8, doi: 10.4230/OASIcs.SLATE.2020.12, September 2020
  • João Rodrigues, Ricardo Ribeiro, Fernando Batista, Towards the Identification of Fake News in Portuguese, In 9th Symposium on Languages, Applications and Technologies (SLATE 2020), Schloss Dagstuhl--Leibniz-Zentrum für Informatik, vol. 83, series OpenAccess Series in Informatics (OASIcs), pages 7:1--7:14, doi: 10.4230/OASIcs.SLATE.2020.7, September 2020
  • Eugénio Ribeiro, Ricardo Ribeiro, Fernando Batista, João Oliveira, Using Topic Information to Improve Non-exact Keyword-Based Search for Mobile Applications, In Information Processing and Management of Uncertainty in Knowledge-Based Systems, 18th International Conference, IPMU 2020, Springer, vol. 1237, series Communications in Computer and Information Science, pages 373-386, June 2020

2019

  • Eugénio Ribeiro, Andreia Sofia Teixeira, Ricardo Ribeiro, David Martins de Matos, Semantic Frame Induction as a Community Detection Problem, In Complex Networks 2019, Springer, pages 274-285, doi: 10.1007/978-3-030-36687-2_23, Lisbon, Portugal, December 2019

2018

  • Diana Lopes-Teixeira, Fernando Batista, Ricardo Ribeiro, Discovering Trends in Brand Interest through Topic Models, In Proceedings of the 10th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management - Volume 1: KDIR, SciTePress, vol. 1, pages 245-252, doi: https://doi.org/10.5220/0006936202450252, October 2018
  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, A Study on Dialog Act Recognition Using Character-Level Tokenization, In Artificial Intelligence: Methodology, Systems, and Applications, 18th International Conference, AIMSA 2018, Springer, series LNAI, pages 93-103, doi: 10.1007/978-3-319-99344-7_9, , Varna, Bulgaria, September 2018
  • Diana Lopes-Teixeira, Fernando Batista, Ricardo Ribeiro, Spatio-Temporal Analysis of Brand Interest using Social Networks, In CISTI'2018 - 13th Iberian Conference on Information Systems and Technologies, IEEE, doi: 10.23919/CISTI.2018.8399241, Cáceres, Spain, June 2018

2017

  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, A Curiosity Model for Artificial Agents, In European Conference on Artificial Life (ECAL), MIT Press, pages 561-568, doi: 10.7551/ecal_a_089, , Lyon, France, September 2017

2016

  • Eugénio Ribeiro, Fernando Batista, Isabel Trancoso, José David Lopes, Ricardo Ribeiro, David Martins de Matos, Assessing User Expertise in Spoken Dialog System Interactions, In IberSPEECH 2016, Springer International Publish, vol. 10077, series Lecture Notes in Computer Science, pages 245--254, doi: 10.1007/978-3-319-49169-1_24, , Lisbon, November 2016
  • Eugénio Ribeiro, Fernando Batista, Isabel Trancoso, Ricardo Ribeiro, David Martins de Matos, Automatic Detection of Hyperarticulated Speech, In IberSPEECH 2016, Springer International Publish, vol. 10077, series Lecture Notes in Computer Science, pages 182--191, doi: http://dx.doi.org/10.1007/978-3-319-49169-1_18, , Lisbon, November 2016
  • Cristina Mota, Anabela Barreiro, Francisco Afonso Raposo, Ricardo Ribeiro, Sérgio dos Santos Lopes Curto, Luísa Coheur, eSPERTo Paraphrastic Knowledge Applied to Question-Answering and Summarization, In NooJ 2016: Automatic Processing of Natural-Language Electronic Texts with NooJ, Springer International Publish, vol. 667, series Communications in Computer and Information Science, pages 208-220, doi: 10.1007/978-3-319-55002-2_18, June 2016
  • Fernando Batista, Pedro dos Santos Lopes Curto, Isabel Trancoso, Alberto Abad, Jaime Rodrigues Ferreira, Eugénio Ribeiro, Helena Moniz, David Martins de Matos, Ricardo Ribeiro, SPA: Web-based Platform for easy Access to Speech Processing Modules, In LREC, European Language Resources Association (ELRA), pages 3886--3892, doi: ISBN: 978-2-9517408-9-1, Portorož, Slovenia, May 2016

2015

2014

  • Vera Cabarrão, Helena Moniz, Fernando Batista, Ricardo Ribeiro, Nuno J. Mamede, Hugo Meinedo, Isabel Trancoso, Ana Isabel Mata, David Martins de Matos, Revising the Annotation of a Broadcast News Corpus: a Linguistic Approach, In Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14), European Language Resources Association (ELRA), pages 3908-3913, Reykjavik, Iceland, May 2014

2013

  • Ricardo Ribeiro, David Martins de Matos, Revisiting Centrality-as-Relevance: Support Sets and Similarity as Geometric Proximity: Extended abstract, In IJCAI 2013 - Journal Track, AAAI, pages 3175-3179, Beijing, China, August 2013
  • Ricardo Ribeiro, Luís Marujo, David Martins de Matos, João Paulo da Silva Neto, Anatole Gershman, Jaime Carbonell, Self reinforcement for important passage retrieval, In 36th international ACM SIGIR conference on Research and development in information retrieval, ACM, pages 845-848, Dublin, Ireland, July 2013
  • Paula Cristina Vaz, Ricardo Ribeiro, David Martins de Matos, Understanding Temporal Dynamics of Ratings in the Book Recommendation Scenario, In International Conference on Information Systems and Design of Communication, ACM, series ISDOC 2013, pages 11-15, doi: 10.1145/2503859.2503862, Lisboa, Portugal, July 2013

2012

  • Paula Cristina Vaz, Ricardo Ribeiro, David Martins de Matos, LitRec vs. Movielens: A Comparative Study, In International Conference on Knowledge Discovery and Information Retrieval (KDIR 2012), Barcelona, Spain, October 2012
  • Luís Marujo, Ricardo Ribeiro, David Martins de Matos, João Paulo da Silva Neto, Anatole Gershman, Jaime Carbonell, Key Phrase Extraction of Lightly Filtered Broadcast News, In 15th International Conference on Text, Speech and Dialogue (TSD 2012), Springer, doi: 10.1007/978-3-642-32790-2_35, Brno, Czech Republic, September 2012
  • Hugo Rodrigues, Luísa Coheur, Ana Cristina Mendes, Ricardo Ribeiro, David Martins de Matos, Testing lexical approaches in QA4MRE, In CLEF 2012, Online Working Notes, Roma, Italy, September 2012
  • Carlos Manuel Tadeia Rosão, Ricardo Ribeiro, David Martins de Matos, Comparing Onset Detection Methods Based on Spectral Features, In OSDOC 2012: Workshop Open Source and Design of Communication , ACM, pages 71-78, doi: 10.1145/2316936.2316949, June 2012
  • Pedro Fialho, Sérgio dos Santos Lopes Curto, Luísa Coheur, Ricardo Ribeiro, E-TUTOR: a tutoring agent, In International Conference on Computational Processing of the Portuguese Language (Propor) , , Coimbra, Portugal, April 2012
  • Ricardo Ribeiro, David Martins de Matos, Summarizing Speech by Contextual Reinforcement of Important Passages, In Computational Processing of the Portuguese Language - PROPOR 2012, Springer, vol. 7243, series Lecture Notes in Computer Science -- LNAI 7243/2012, pages 392-402, doi: 10.1007/978-3-642-28885-2_44, Coimbra, Portugal, April 2012

2009

  • Luísa Coheur, Ana Cristina Mendes, João Miguel Rodrigues da Cunha Guimarães, Nuno J. Mamede, Ricardo Ribeiro, Question Interpretation in QA@L2F, In Evaluating Systems for Multilingual and Multimodal Information Access, Springer Berlin / Heidelberg, vol. 5706, series Lecture Notes in Computer Science, pages 377-384, doi: 10.1007/978-3-642-04447-2_44, September 2009

2008

  • Ana Cristina Mendes, Luísa Coheur, Nuno J. Mamede, Ricardo Ribeiro, David Martins de Matos, Fernando Batista, QA@L2F, first steps at QA@CLEF, Springer-Verlag, vol. 5152, series Lecture Notes in Computer Science, September 2008
  • Ricardo Ribeiro, David Martins de Matos, Mixed-Source Multi-Document Speech-to-Text Summarization, In MMIES-2: Multi-source, Multilingual Information Extraction and Summarization (COLING 2008), Coling 2008 Organizing Committee, series The 22nd International Conference on Computational Linguisti, pages 33--40, Manchester, UK, August 2008

2007

  • Ricardo Ribeiro, David Martins de Matos, Extractive Summarization of Broadcast News: Comparing Strategies for European Portuguese, In Text, Speech and Dialogue, 10th International Conference, TSD 2007, Springer, vol. 4629, series Lecture Notes in Computer Science, ISBN 978-3-540-74627-0, pages 115-122, doi: 10.1007/978-3-540-74628-7_17, , Pilsen, Czech Republic, September 2007
  • Ana Cristina Mendes, Luísa Coheur, Nuno J. Mamede, Luís Carlos da Silva Romão, João Miguel Sanches Loureiro, Ricardo Ribeiro, Fernando Batista, David Martins de Matos, QA@L2F@QA@CLEF, In Working Notes for the CLEF 2007 Workshop, September 2007

2006

  • Ricardo Ribeiro, Fernando Batista, Joana Paulo Pardal, Nuno J. Mamede, H. Sofia Pinto, Cooking an Ontology, In The Twelfth International Conference on Artificial Intelligence: Methodology, Systems, Applications, Springer Berlin / Heidelberg, vol. 4183, series Lecture Notes in Computer Science, pages 213-221, Varna, Bulgaria, September 2006

2004

  • Ricardo Ribeiro, David Martins de Matos, Nuno J. Mamede, How to integrate data from different sources, In Language Resources and Evaluation Conference - LREC 2004, European Language Resources Association (ELRA), pages 52-58, , Lisboa, Portugal, May 2004
  • David Martins de Matos, Ricardo Ribeiro, Nuno J. Mamede, Rethinking Reusable Resources, In Proceedings of the Fourth International Conference On Language Resources and Evaluation - LREC'2004, pages 357-360, Lisboa, Portugal, May 2004

2003

2002

2000

  • Luzia Helena Wittmann, Ricardo Ribeiro, Tânia Pego, Fernando Batista, Some Language Resources and Tools for Computational Processing of Portuguese at INESC, In LREC2000 – Second International Conference on Language Resources and Evaluation, vol. 1, pages 347, Athens, Greece, June 2000

National Conferences

2016

  • Angela Jusupova, Fernando Batista, Ricardo Ribeiro, Characterizing the Personality of Twitter Users based on their Timeline Information, In 16 Conferência da Associacao Portuguesa de Sistemas de Informação, pages 292 - 299, Porto, Portugal, October 2016
  • Fernando Rebelo, Fernando Batista, Ricardo Ribeiro, Cascatas de Classificação de Sentimento em Microblogues, In INFORUM 2016 - Atas do 8.o Simpósio de Informática, pages 203 -- 214, Lisboa, Portugal, September 2016

2006

Technical Reports

2008

  • David Martins de Matos, Ricardo Ribeiro, Sérgio Paulo, Fernando Batista, Luísa Coheur, Joana Paulo Pardal, Natural Language Engineering on a Computational Grid (NLE-GRID) T2 - Encapsulation of Reusable Components, Tech. Rep. 31 / 2008 INESC-ID Lisboa, January 2008
  • David Martins de Matos, Ricardo Ribeiro, Natural Language Engineering on a Computational Grid (NLE-GRID) T2h - Encapsulation of Reusable Components: Lexicon Repository and Server, Tech. Rep. 32 / 2008 INESC-ID Lisboa, January 2008

2007

  • Ricardo Ribeiro, David Martins de Matos, Computational Discourse Analysis, Tech. Rep. 32 / 2007 INESC-ID Lisboa, July 2007

2006

Doctoral Theses

2011

Masters Theses

2003

Other Publications

2022

  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, Towards Learning Through Open-Domain Dialog, https://arxiv.org/abs/2202.03040, February 2022

2020

  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, Automatic Recognition of the General-Purpose Communicative Functions defined by the ISO 24617-2 Standard for Dialog Act Annotation, https://arxiv.org/abs/2003.03556, March 2020

2019

  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, Hierarchical Multi-Label Dialog Act Recognition on Spanish Data, https://arxiv.org/abs/1907.12316, July 2019
  • Francisco Afonso Raposo, David Martins de Matos, Ricardo Ribeiro, Low-dimensional Embodied Semantics for Music and Language, https://arxiv.org/abs/1906.11759, June 2019
  • Francisco Afonso Raposo, David Martins de Matos, Ricardo Ribeiro, Learning Embodied Semantics via Music and Dance Semiotic Correlations, https://arxiv.org/abs/1903.10534, March 2019

2018

  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, Deep Dialog Act Recognition using Multiple Token, Segment, and Context Information Representations, https://arxiv.org/abs/1807.08587, July 2018
  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, A Study on Dialog Act Recognition using Character-Level Tokenization, https://arxiv.org/abs/1805.07231, May 2018

2017

  • Francisco Afonso Raposo, David Martins de Matos, Ricardo Ribeiro, Suhua Tang, Yi Yu, Towards Deep Modeling of Music Semantics using EEG Regularizers, https://arxiv.org/abs/1712.05197, December 2017
  • Eugénio Ribeiro, Fernando Batista, Isabel Trancoso, José Lopes, Ricardo Ribeiro, David Martins de Matos, Assessing User Expertise in Spoken Dialog System Interactions, https://arxiv.org/abs/1701.05011, January 2017

2016

  • Francisco Afonso Raposo, David Martins de Matos, Ricardo Ribeiro, An Information-theoretic Approach to Machine-oriented Music Summarization, https://arxiv.org/abs/1612.02350, December 2016
  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, Mapping the Dialog Act Annotations of the LEGO Corpus into the Communicative Functions of ISO 24617-2, https://arxiv.org/abs/1612.01404, December 2016
  • Jaime Rodrigues Ferreira, David Martins de Matos, Ricardo Ribeiro, Fast and Extensible Online Multivariate Kernel Density Estimation, https://arxiv.org/abs/1606.02608, June 2016

2015

  • Paulo César Dias Figueiredo, Ana Marta Simões Aparício, David Martins de Matos, Ricardo Ribeiro, Generation of Multimedia Artifacts: An Extractive Summarization-based Approach, https://arxiv.org/abs/1508.03170, August 2015
  • Ana Marta Simões Aparício, Paulo César Dias Figueiredo, Francisco Afonso Raposo, David Martins de Matos, Ricardo Ribeiro, Summarization of Films and Documentaries Based on Subtitles and Scripts, http://arxiv.org/abs/1506.01273, June 2015
  • Eugénio Ribeiro, Ricardo Ribeiro, David Martins de Matos, The Influence of Context on Dialogue Act Recognition, https://arxiv.org/abs/1506.00839, June 2015
  • António Luís Vilarinho dos Santos Lopes, David Martins de Matos, Vera Cabarrão, Ricardo Ribeiro, Helena Moniz, Isabel Trancoso, Ana Isabel Mata da Silva, Towards Using Machine Translation Techniques to Induce Multilingual Lexica of Discourse Markers, http://arxiv.org/abs/1503.0914, March 2015
  • Francisco Afonso Raposo, Ricardo Ribeiro, David Martins de Matos, Using Generic Summarization to improve Music Information Retrieval Tasks, http://arxiv.org/abs/1503.0666, March 2015

2014

  • Pedro Féria de Almeida Girão Antunes, David Martins de Matos, Ricardo Ribeiro, Isabel Trancoso, Automatic Fado Music Classification, http://arxiv.org/abs/1406.4447, June 2014
  • Francisco Afonso Raposo, Ricardo Ribeiro, David Martins de Matos, On the Application of Generic Summarization Algorithms to Music, http://arxiv.org/abs/1406.4877, June 2014
  • Ricardo Ribeiro, David Martins de Matos, Centrality-as-Relevance: Support Sets and Similarity as Geometric Proximity, http://arxiv.org/abs/1401.3908, January 2014

2013

  • Luís Marujo, Ricardo Ribeiro, David Martins de Matos, João Paulo da Silva Neto, Anatole Gershman, Jaime Carbonell, Key Phrase Extraction of Lightly Filtered Broadcast News, https://arxiv.org/abs/1306.489, June 2013

2012

2009

PhD theses

Ongoing

  • Text Summarization of Jurisprudence Documents, Martim Zanatti dos Santos Gomes da Silva. Instituto Superior Tecnico (2022-). H. Sofia Pinto, advisor. Ricardo Ribeiro, co-advisor.
  • Complexity of Language Variation and Sentence Structures, Eduardo M. Freitas. ISCTE (2020-). Fernando Batista, advisor. Ricardo Ribeiro, co-advisor.
  • Generation of Stylistically Consistent Music Pieces, Luís Manuel Dias Damas. ISCTE-IUL. Joaquim Lourenço Esmerado (co-advisor) (2020-). Ricardo Ribeiro, advisor. David Martins de Matos, co-advisor.
  • Analysis of service quality in peer-to-peer accommodation by modeling the hidden aspects and sentiments embedded in online texts, Mariana Sofia Barreira Cavique Santos. Iscte (2019-). Ricardo Ribeiro, advisor. Fernando Batista, co-advisor.

Finished

  • Towards Artificial Entities that Learn Through Dialog: Intention-Based Knowledge Extraction and Learning, Eugénio Ribeiro. Instituto Superior Técnico, Universidade de Lisboa (2018-2023). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.
  • Semantic Structures of Music Artifacts, Francisco Afonso Raposo. Instituto Superior Técnico, Universidade de Lisboa (2015-2022). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.

MSc theses

Ongoing

  • Anonimização Inteligente de Dados, Miguel Pereira. ISCTE (2022-). Fernando Batista, advisor. Ricardo Ribeiro, co-advisor.

Finished

  • Movie Summarization for the Automatic Generation of Movie Tributes, Ricardo Espadinha. Instituto Superior Técnico, Universidade de Lisboa (2021-2023). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.
  • Analysis of the Tourists behavior in Lisbon using Data from a Mobile Operator, Bruno Alexandre Mateus Francisco. Iscte - Instituto Universitário de Lisboa (2021-2022). Ricardo Ribeiro, advisor. Fernando Batista, co-advisor.
  • Humor and Offense Speech Classification and scoring using Natural Language Processing, Marcelo Custódio Mathias. Iscte - Instituto Universitário de Lisboa (2021-2022). Fernando Batista, advisor. Ricardo Ribeiro, co-advisor.
  • Twitter's content trends depending on users profile and time of the year, Érica Rosa. Iscte - Instituto Universitário de Lisboa (2021-2022). Fernando Batista, advisor. Ricardo Ribeiro, co-advisor.
  • Automatic Hate Speech Detection in Portuguese Social Media Text, Bernardo Cunha Matos. Instituto Superior Técnico (2021-2022). Paula Carvalho, advisor. Ricardo Ribeiro, co-advisor.
  • Deteção Automática de Sinais de Depressão em Redes Sociais, Daniela Cristina da Silva Carlos. Iscte - Instituto Universitário de Lisboa (2020-2021). Ricardo Ribeiro, advisor. Fernando Batista, co-advisor.
  • Sentiment Analysis to Predict the Portuguese Economic Sentiment Based on Economic News, Cátia Daniela Lopes Tavares. ISCTE-IUL (2020-2021). Ricardo Ribeiro, advisor. Fernando Batista, co-advisor.
  • Automatic Aggression Detection in Social Media, Tiago Filipe Pardal de Almeida. Iscte - Instituto Universitário de Lisboa (2020-2021). Ricardo Ribeiro, advisor. Fernando Batista, co-advisor.
  • Contact Agent Assistant, Luis Miguel Santos Neto. (2020-2021). André Vasconcelos, advisor. Ricardo Ribeiro, co-advisor.
  • Abstractive Multi-document Summarization using Topical Simplicial Curves, João Cruz. Instituto Superior Técnico, Universidade de Lisboa (2019-2021). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.
  • Classificação Automática de Correspondência de Uma Instituição Pública, Vilma Carina Simões Neves. (2019-2021). Ricardo Ribeiro, advisor. Nuno J. Mamede, co-advisor.
  • Seleção Automática da Lista de Distribuição Associada à Correspondência de Uma Instituição Pública, André Miguel Balau Fazendeiro. (2019-2021). Ricardo Ribeiro, advisor. Nuno J. Mamede, co-advisor.
  • Classificação de Emoções em Redes Sociais, Soraia Alexandra Cardoso Filipe. Iscte - Instituto Universitário de Lisboa (2018-2021). Fernando Batista, advisor. Ricardo Ribeiro, co-advisor.
  • A Book-oriented Chatbot, Nuno Alexandre Mestre Barradas. Iscte - Instituto Universitário de Lisboa (2020). Ricardo Ribeiro, advisor. Fernando Batista, co-advisor.
  • Question Generation Using Neural Networks, Gonçalo Fernando Ferreira da Costa Durão Correia. Iscte - Instituto Universitário de Lisboa (2019-2020). Ricardo Ribeiro, advisor. Hugo Rodrigues, co-advisor.
  • Sistema de Recomendação de Videojogos, Rosária Patrícia Firmino Bunga. Iscte - Instituto Universitário de Lisboa (2020). Ricardo Ribeiro, advisor. Fernando Batista, co-advisor.
  • Classificação de Fake News na Língua Portuguesa Europeia, João Filipe Carriço Rodrigues. Iscte - Instituto Universitário de Lisboa (2019-2020). Ricardo Ribeiro, advisor. Fernando Batista, co-advisor.
  • Detecção de Sentimentos Psíquicos em Utilizadores de Redes Sociais, Patrícia de Sousa dos Santos. Iscte - Instituto Universitário de Lisboa (2019-2020). Ricardo Ribeiro, advisor. Fernando Batista, co-advisor.
  • Análise de Texto e Referências Multi-Documento, Mariana Rebelo Dias. Iscte (2018-2019). João Ferreira, advisor. Ricardo Ribeiro, co-advisor.
  • Automatization of Incident Resolution, Jorge Tafarel Morais Costa. Iscte (2018-2019). Rúben Pereira, advisor. Ricardo Ribeiro, co-advisor.
  • PALbot: a Plug&(Almost)pLay chatbot, André Gilberto Tai. Iscte (2018-2019). Ricardo Ribeiro, advisor. Luísa Coheur, co-advisor.
  • Ticket Management on ServiceNow, Sara Alexandra Teixeira da Silva. Iscte (2017-2018). Rúben Pereira, advisor. Ricardo Ribeiro, co-advisor.
  • Neural Methods for Cross-lingual Sentence Compression, Frederico Infante Rodrigues. IST, UL (2017-2018). Bruno Martins, advisor. Ricardo Ribeiro, co-advisor.
  • Natural Language Generation for Open-domain Human-robot Interaction, António Luís Vilarinho dos Santos Lopes. Instituto Superior Técnico, Universidade de Lisboa (2015-2017). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.
  • Arc Summaries for TV Series, Pedro Filipe Flores Cristovão. Instituto Superior Técnico, Universidade de Lisboa (2014-2017). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.
  • Análise de Sentimento em Microblogues com base em Cascatas de Classificação, Fernando Manuel Dias Rebelo. ISCTE-IUL (2015-2016). Fernando Batista, advisor. Ricardo Ribeiro, co-advisor.
  • Thematically-Driven Guitar Music Retrieval, Daniel Filipe Pombo da Silva Baptista. Instituto Superior Técnico, Universidade de Lisboa (2014-2016). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.
  • Automated Generation of Movie Tributes, Ana Marta Simões Aparício. ISCTE-IUL (2014-2015). Ricardo Ribeiro, advisor. David Martins de Matos, co-advisor.
  • Video Summaries for Science Talks, Paulo César Dias Figueiredo. Instituto Superior Técnico, Universidade de Lisboa (2014-2015). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.
  • Incremental Learning of Probabilistic Models in High-Dimensional Space, Jaime Rodrigues Ferreira. Instituto Superior Técnico, Universidade de Lisboa (2014-2015). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.
  • Influence of Summarization on Music Classification Tasks, Francisco Afonso Raposo. Instituto Superior Técnico, Universidade de Lisboa (2013-2014). David Martins de Matos, advisor. Ricardo Ribeiro, co-advisor.
  • Onset Detection in Music Signals, Carlos Manuel Tadeia Rosão. ISCTE-IUL (2011-2012). Ricardo Ribeiro, advisor. David Martins de Matos, co-advisor.

Graduation theses

Finished

  • Estágio no âmbito de um programa ISCTE-IEFP, Carla Maria Rôla de Sacadura Cabral Trindade. (2016). Nuno J. Mamede, advisor. Ricardo Ribeiro, co-advisor.
  • Estágio no âmbito do Curso de Ciências Empresariais de Comunicação - IEFP/ISCTE, . (2016). Nuno J. Mamede, advisor. Ricardo Ribeiro, co-advisor.

Research Interests

  • Automatic speech/text summarization
  • Semantic similarity
  • Discourse processing
  • Corpora processing tools
  • Lexical resources management
  • Natural Language Processing
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