Anastasia Krithara

Post-Doc Researcher at IIT of NCSR "Demokritos" in Athens, Greece.
Member of Software and Knowledge Engineering Laboratory (SKEL).

SKEL groups:
Head of Biomedical and Health Informatics (BioHIT),
Member of Content Analysis and Knowledge Technologies (CAKT),
Member of Personalization and Social Network Analysis (PerSoNA).

General Secretary of Hellenic Artificial Intelligence Society (EETN).

Research Interests - keywords: machine learning, artificial intelligence, bioinformatics, information extraction, knowledge discovery, ontology learning, Web mining.

Selected publications

  • 8. F. Kollintza-Kyriakoulia, M. Maragoudakis and A. Krithara. "Measuring the Impact of Financial News and Social Media on Stock Market Modeling Using Time Series Mining Techniques". Algorithms, 11(11), 181 (2018). (Publisher's online version)
  • 7. A. Hanbury, H. Müller, K. Balog, T. Brodt, G. V Cormack, I. Eggel, T. Gollub, F. Hopfgartner, J. Kalpathy-Cramer, N. Kando, A. Krithara, J. Lin, S. Mercer, M. Potthast, "Evaluation-as-a-Service: Overview and outlook", ACM Journal of Data and Information Quality, 10 (4). 15. ISSN 1936-1955 (2018). (Pdf)
  • 6. S. Kazantzidis, A. Krithara and G. Paliouras. "Splice Site Prediction: Transferring knowledge across organisms". The 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOINFORMATICS). Porto, Portugal, (2017). (Publisher's online version)
  • 5. A. Krithara, G. Giannakopoulos, G. Paliouras, G. Petasis & V. Karkaletsis. “Predicting Sentiment using Tranfer Learning”. In Proceedings of the Adaptive NLP Workshop/ 15th International Conference on Artificial Intelligence, Buenos Aires, Argentina, (2015). (Pdf)
  • 4. G. Tsatsaronis, G. Balikas, P. Malakasiotis, I. Partalas, M. Zschunke, M.R. Alvers, D. Weissenborn, A. Krithara, S. Petridis, D. Polychronopoulos, Y. Almirantis, J. Pavlopoulos, N. Baskiotis, P. Gallinari, T. Artieres, A. Ngonga, N. Heino, E. Gaussier, L. Barrio-Alvers, M. Schroeder, I. Androutsopoulos and G. Paliouras, An overview of the BIOASQ large-scale biomedical semantic indexing and question answering competition, BMC Bioinformatics, v. 16, n. 138 (2015). (Publisher's online version) (pdf preprint)
  • 3. A. Krithara, G. Paliouras. TL-PLSA: Transfer Learning between Domains with Different Classes. IEEE International Conference on Data Mining series (ICDM), Dallas, Texas, December 2013. ( Publisher's online version)
  • 2. A. Krithara, M. Amini, C. Goutte and J.M. Renders. Learning Aspect Models with Partially Labeled Data. Pattern Recognition Letters -Elsevier. (2011). ( Publisher's online version)
  • 1. G. Petasis, V. Karkaletsis, G.Paliouras, A. Krithara and I. Zavitsanos. Ontology Population and Enrichment: State of the art. Book chapter in Knowledge-Driven Mulitmedia Informaton Extraction and Ontology Evolution". Lecture Notes in Computer Science, Springer. (2011). ( Publisher's online version)

Current projects


Integration and analysis of heterogeneous big data for precision medicine and suggested treatments for different types of patients.


A challenge on large-scale biomedical semantic indexing and question answering


  • 06/11/2018: Our article "Measuring the Impact of Financial News and Social Media on Stock Market Modeling Using Time Series Mining Techniques" has been published in Journal "Algorithms" as part of the Special Issue "Humanistic Data Mining: Tools and Applications"
    read more
  • 03/11/2018: Our article "Evaluation-as-a-Service: Overview and outlook" has been published in ACM Journal of Data and Information Quality.
    read more
  • 01/11/2018: BioASQ Workshop will be held in EMNLP 2018 conference, Brussels, Belgium.
    read more
  • 30/10/2018: Talk about iASiS and BigMedilytics projects in "Horizon 2020 - EU Partnering Event", Brussels, Belgium.
    read more
  • 11/07/2018: Project iASiS is organizing the International Symposium on Big Data for Precision Medicine, which will be held as part of the 6th Hellenic Forum for Science Technology and Innovation, in NCSR "Demokritos", Athens, Greece.
    read more
  • 03/07/2018: Talk about Precision Medicine on the 53th Summer School of NCSR "Demokritos".
    read more
  • 10/05/2018: The "Big Data For Precision Medicine Symposium" will be held as part of the 6th Hellenic Forum for Science Technology and Innovation, on July 11, 2018, in NCSR "Demokritos", Athens, Greece.
    read more
  • 19/01/2018: The 6th BioASQ Workshop will be held as part of the EMNLP conference, on Obtober 31 - November 1, 2018, in Brussels, Belgium.
    read more
  • 27/11/2017: Talk at the Information day of National Documentation Center
    read more
  • 11/10/2017: New MSc in Data Science
    read more
  • 20/09/2017: Talk at the "Greek Hospitals and Digital Health" meetup
    read more


  • 2017-today: Teaching "Machine learning" and "Natural language analytics" at the MSc in "Data Science" . NCSR "Demokritos -University of Peloponnese.
  • 2015-2018: Teaching "Biomedical databases and information extraction" at the MSc in "Information Technologies in Medicine and Biology" . University of Athens.
  • 2011-2012: Teaching "Machine Learning and Data Mining" and "Data visualization" at the Study abroad program. UTA-NCSR "Demokritos"- Aegean University - Marine Conservation, Research Institute “Archipelagos”.
  • 2009: Teaching assistant, "Information Extraction from Text" at “Technoglossia”. Interdisciplinary Interuniversity Postgraduate Course in Language Technologies. UΟA-NTUA-ILSP –NCSR “Demokritos”.

Supervising BSc/MSc theses

Other activities

Curriculum Vitae


  • PhD in artificial intelligence, Pierre et Marie Curie (Paris VI) University, Paris, France, 2008
  • Thesis: Semi-supervised and active learning for text classification. Supervisors: Prof. Patrick Gallinari, Dr. Jean-Michel Renders, Prof. Massih-Reza Amini.
    PhD scholarship (Conventions Industrielles de Formation par la REcherche - CIFRE GRANT) of the French center of research and technology (ANRT – Association Nationale de la Recherche et de la Technologie).
  • MSc in Advanced computer science (Machine Learning and Data Mining), Bristol University, Department of informatics, Bristol, UK, 2004
  • Thesis: Semantic classification. Supervisors: Dr. Steve Cayzer, Prof. Peter Flach.
    In collaboration with HP labs, Bristol.
  • BSc in informatics, Department of Informatics, Athens University of Economics and Business, Athens, Greece, 2003

Working Experience

  • 2008 – today: Postdoctoral researcher, Institute of Informatics and Telecommunications, National Center for Scientific Research (NCSR) “Demokritos”
  • Research and Development in the context of the EU and national projects.
  • 2009-2012: (part time) External consultant, “BYTE COMPUTER ABEE” company.
  • Project bids and management.
  • 2005 – 2008: Researcher, Xerox Research Center Europe (XRCE), Grenoble, France.
  • Research and development in the following areas: Machine learning, information extraction, document classification.
  • 2004 (6 months): Internship (research student), HP research labs, Bristol, UK.
  • Research and development: Machine learning, semantic web, document classification.

Anastasia Krithara
Institute of Informatics & Telecommunications
NCSR "Demokritos"
P.O. BOX 60037
Ag. Paraskevi, 15310
Athens, Greece

Tel: +30 21 06503172
Fax: +30 21 06532175