Anastasia Krithara

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

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

Board member of Hellenic Artificial Intelligence Society (EETN).

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

Selected publications

  • 7. 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)
  • 6. 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)
  • 5.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", SIGIR Forum, vol. 49, pp. 57–65, (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


Holistic Benchmarking of Big Linked Data



  • 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- today: 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