Florentina Hristea, Ph.D. - Professor

Contact: University of Bucharest,
Faculty of Mathematics and Computer Science,
Department of Computer Science,
14 Academiei Str., Bucharest, sector 1, cod 010014, Romania.

E-mail:
fhristea @ fmi.unibuc.ro

TEACHING: currently gives the following courses within the Department of Computer Science:

DISSERTATIONS:

RESEARCH FIELDS: Artificial Intelligence; Specializations: Knowledge Representation; Natural Language Processing and Human Language Technology; Computational Statistics and Data Analysis applied in Natural Language Processing.

MISCELLANEOUS:

Editorial Board “Central European Journal of Computer Science” (De Gruyter)

Editorial Board "Frontiers in Artificial Intelligence" (the NLP section)

Guest Editor, “Mathematics” (MDPI)

Editorial Board “International Journal on Information Technology” and “International Journal on Computer and Communications Networks, Computational Intelligence and Data Analytics” (Praise Worthy Prize)

Editorial Review Board “Artificial Intelligence Research” (Sciedu Press Canada)

Expert evaluator HORIZON 2020

Elected member of ISI (International Statistical Institute)

Member of GWA (Global WordNet Association)

Fulbright grant at Princeton University, U.S.A. in the field of Artificial Intelligence, 2004

Invited Professor, University of Toulouse, France, October 2011

Visiting Researcher, University of Toulouse Paul Sabatier III; Institut de Recherche en Informatique de Toulouse; L’ecole Polytechnique “Polytech Montpellier”; University of Hamburg; Heidelberg Institute for Theoretical Studies, Germany

SELECTED PUBLICATIONS:

  1. BOOKS:
    1. The Naïve Bayes Model for Unsupervised Word Sense Disambiguation, SpringerBriefs in Statistics Series, Springer, 2012.
    2. Issues of Knowledge Representation with Applications in Natural Language Processing, Bucharest, University of Bucharest Publishing House, 2011 (in Romanian).
    3. Introduction to Natural Language Processing, Bucharest, University of Bucharest Publishing House, 2010 (in Romanian).
    4. Search and Knowledge Representation in Artificial Intelligence. Theory and Applications (with M.F. Balcan). Bucharest, University of Bucharest Publishing House, 2005 (in Romanian).
    5. Issues of Search and Knowledge Representation in Artificial Intelligence (with M.F. Balcan). Bucharest, University of Bucharest Publishing House, 2004 (in Romanian).
    6. An Introduction to Natural Language Processing With Applications in Prolog. Bucharest, University of Bucharest Publishing House, 2000 (in Romanian).

  2. BOOK CHAPTERS; EDITOR:
    1. New Current Trends in Natural Language Processing (NLP) and Human Language Technology (HLT) (ed. Florentina Hristea), MDPI (Open Access), 2024. ISBN 978-3-7258-0085-8 (Hbk); ISBN 978-3-7258-0086-5 (PDF). https://www.mdpi.com/books/book/8881-current-trends-in-natural-language- processing-nlp-and-human-language-technology-hlt
    2. Natural Language Processing (NLP) and Machine Learning (ML) - Theory and Applications (eds. Florentina Hristea and Cornelia Caragea), MDPI (Open Access), 2022. ISBN 978-3-0365-5579-9 (Hbk); ISBN 978-3-0365-5580-5 (PDF). https://doi.org/10.3390/books978-3-0365-5580-5
    3. "On the Semiautomatic Generation of WordNet Type Synsets and Clusters with Special Reference to Romanian", in: Building Awareness in Language Technology (editors Florentina Hristea and Marius Popescu). Bucharest, University of Bucharest Publishing House, 2003 (in English).
    4. "A Dependency Grammar Approach to Syntactic Analysis with Special Reference to Romanian" (with M. Popescu), in: Building Awareness in Language Technology (editors Florentina Hristea and Marius Popescu). Bucharest, University of Bucharest Publishing House, 2003 (in English).

  3. ENCYCLOPEDIA ARTICLE:
    1. Outlier Detection, Hristea Algorithm. Encyclopedia of Statistical Sciences, Second Edition, Vol. 9, N. Balakrishnan, Campbell B. Read, and Brani Vidakovic, Editors-in-Chief. Wiley, New York, p. 5885–5886, 2005.

  4. PAPERS IN REFEREED JOURNALS:
    1. Dascalu, S., Hristea, F., Towards a Benchmarking System for Comparing Automatic Hate Speech Detection with an Intelligent Baseline Proposal. Mathematics, 2022, 10(6), 945.
    2. The long road from performing word sense disambiguation to successfully using it in information retrieval: An overview of the unsupervised approach (with M. Colhon). Computational Intelligence, Vol. 36, No. 3, 2020, pp. 1026-1062.
    3. Feature selection for spectral clustering: to help or not to help spectral clustering when performing sense discrimination for IR? (with A. Chifu). Open Computer Science, Vol. 8, No. 1, 2018, pp. 218-227.
    4. Word sense discrimination in information retrieval: A spectral clustering-based approach (with A. Chifu, J. Mothe, M. Popescu). Information Processing and Management, Vol. 51, No. 2, 2015, pp. 16-31.
    5. Unsupervised Word Sense Disambiguation with N-Gram Features (with D. Preotiuc). Artificial Intelligence Review, Vol. 41, Nr. 2, 2014, pp. 241-260.
    6. Feeding Syntactic Versus Semantic Knowledge to a Knowledge-lean Unsupervised Word Sense Disambiguation Algorithm with an Underlying Naïve Bayes Model (with M. Colhon). Fundamenta Informaticae, Vol. 119, Nr. 1, 2012, pp. 61-86.
    7. State of the Art Versus Classical Clustering for Unsupervised Word Sense Disambiguation (with M. Popescu). Artificial Intelligence Review, Vol.35, No.3, DOI 10.1007/s10462-010-9193-7, 2011, pp. 241-264.
    8. Syntactic Relations in the Context of Performing Word Sense Disambiguation (with M.Colhon). Journal of Knowledge, Communications and Computing Technologies, Vol. II, No. 2, 2010, pp. 1-9.
    9. Performing Word Sense Disambiguation at the Border Between Unsupervised and Knowledge-Based Techniques (with M. Popescu and M. Dumitrescu). Artificial Intelligence Review, Vol. 30, No. 1-4, DOI 10.1007/s10462-009-9117-6, 2009, pp. 67-86.
    10. Recent Advances Concerning the Usage of the Naïve Bayes Model in Unsupervised Word Sense Disambiguation. International Review on Computers and Software, Vol. 4, No. 1, 2009, pp. 58-67.
    11. Adjective Sense Disambiguation at the Border Between Unsupervised and Knowledge-based Techniques (with M. Popescu). Fundamenta Informaticae, Vol. 91, No. 3-4, 2009, pp. 547-562.
    12. On the Usage of the Naïve Bayes Model in Unsupervised Word Sense Disambiguation. International Review on Computers and Software, Vol.3, no. 6, 2008, pp. 572-578.
    13. Semiautomatic Generation of WordNet Type Synsets and Clusters Using Class Methods. An Overview. Revue Roumaine de Linguistique, VOL. LII, Issues 1-2, 2007, pp. 97-133.
    14. Towards Building a WordNet Noun Ontology (with G. Miller). Revue Roumaine de Linguistique, VOL. LI, Issues 3-4, 2006, pp. 405-413.
    15. On Some Romanian Text Summarization Contributions (with M. Popescu). Revue Roumaine de Linguistique, VOL. LI, Issues 3-4, 2006, pp. 507-509.
    16. WordNet Nouns: Classes and Instances (with G. Miller). Computational Linguistics, Volume 32, Number 1, 2006, pp. 1-3.
    17. On the semiautomatic generation of verb synsets in languages other than English. Annals of the University of Bucharest, ANO LII, 2003, pp. 75-86.
    18. On the semiautomatic generation of WordNet type synsets and clusters. Journal of Universal Computer Science (J.UCS), Vol.8, no.12, 2002, pp .1047-1064.
    19. On the use of MAICE for the detection of outliers in a linear regression model. Mathematical Reports Vol.4 (54), No.2, 2002, pp. 177-190.
    20. On the diagnosis of influential observations in multidimensional linear regression. Mathematical Reports, No.4, 1999, pp. 545-550.
    21. On WG syntactic analysis with special reference to Romanian. Annals of the University of Bucharest, No.1, 1998, pp. 59-69.
    22. A Word Grammar approach to syntactic analysis with special reference to Romanian (with M. Popescu). Annals of the University of Bucharest, Special Issue, 1998, pp. 101-113 .
    23. On multiple response outliers of additive nature in a linear regression model. Revue Roumaine de Mathematiques Pures et Appliquees, No.3-4, 1998, pp. 393-405.
    24. An algorithm for the detection of outliers in the case of the normal distribution. Mathematical Reports, No.5-6, 1997, pp. 339-342.
    25. On single distribution outlying pairs in a linear regression model. Annals of the University of Bucharest, XLVI, 1997, pp. 27-34.
    26. On single carrier outliers in a linear regression model. Foundations of Decision and Computing Sciences, Vol.21, No.3, 1996, pp. 125-136.
    27. On single additive outliers in the linear regression model. Annals of the University of Bucharest, No.2, 1996, pp. 53-64.
    28. On the masking effect concerning some tests for single upper outliers in the case of an exponential sample. Foundations of Decision and Computing Sciences, Vol. 20, No.1, 1995, pp. 37-48.
    29. On the performances of an outlier test in the case of the exponential distribution (with D. Enachescu & M. Dumitrescu). Computational Statistics and Data Analysis, No.17, 1994, pp. 119-127.
    30. A codification of column-convex polyominoes which generates a regular language. Bulletin of the European Association for Theoretical Computer Science, No.50, 1993, pp.197-208.
    31. On the performances of a test for a single upper outlier in an exponential sample (with D. Enachescu). Annals of the University of Bucharest, No.2, 1992, pp. 61-69.
    32. On stepwise procedures for the rejection of outliers in a normally distributed population (with R. Niculescu & D. Enachescu). Annals of the University of Bucharest, No.1-2, 1990, pp. 14-26.