English Version

Prof. dr. Hristea Florentina
Adresa:
Universitatea din Bucuresti
Facultatea de Matematica si Informatica
Catedra de informatica
Str. Academiei nr. 14
Bucuresti, sector 1, cod 010014


Adresa pentru corespondenta:
Casuta postala 82-9
Bucuresti, sector 4, cod 042400


Tel.: 40-2-1-4610982;



Educatie: Absolventa in 1984 a Facultatii de Matematica, Universitatea Bucuresti.

Teza de doctorat: "Analiza sensibilitatii unor modele statistice la prezenta valorilor de selectie discordante", 1996.

Pozitii academice:
- Asistent (1992-1996);
- Lector (1996-2003);
- Conferentiar (incepand din anul 2003).


Activitate didactica: In prezent preda urmatoarele cursuri la Facultatea de Matematica si Informatica a Universitatii din Bucuresti:
 Inteligenta artificiala - pentru studentii anului al II-lea ai sectiei "Informatica" si studentii anului al III-lea al sectiei "Matematica-Informatica"
 Procesarea limbajului natural si tehnologia limbajului - pentru studentii anului I la Master, sectia "Inteligenta artificiala"
 Semantica computationala cu aplicatii in regasirea informatiei - pentru studentii anului al II-lea la Master, sectia "Inteligenta artificiala"


Domenii de interes stiintific: Inteligenta artificiala; Specializari: Reprezentarea cunostintelor; Procesarea limbajului natural; Statistica computationala si analiza datelor cu aplicatii in procesarea limbajului natural.

 Coeditor al « Central European Journal of Computer Science » (Versita si Springer Verlag);
 Membru al « Editorial Review Board » pentru « Artificial Intelligence Research » (Sciedu Press, Canada)
 Membru ales al IRF (Information Retrieval Facility);
 Membru ales al ISI (International Statistical Institute);
 Membru al GWA (Global WordNet Association);
 Bursier Fulbright la Universitatea Princeton din S.U.A. in domeniul inteligentei artificiale (Laboratorul de Stiinte Cognitive, 2004).
 Profesor invitat la Universitatea din Toulouse, Octombrie 2011



PUBLICATII SELECTIVE:

CARTI DE SPECIALITATE

  1. Aspecte ale reprezentarii cunostintelor cu aplicatii in procesarea limbajului natural. Editura Universitatii din Bucuresti, 2011 (283 pagini).
  2. Introducere in procesarea limbajului natural. Editura Universitatii din Bucuresti, 2010 (335 pagini).
  3. Cautarea si reprezentarea cunostintelor in inteligenta artificiala. Teorie si aplicatii (cu M.F. Balcan). Editura Universitatii din Bucuresti, 2005 (364 pagini).
  4. Introducere in procesarea limbajului natural cu aplicatii in Prolog. Editura Universitatii din Bucuresti, 2000 (318 pagini).

CURSURI SI MANUALE

  1. Aspecte ale cautarii si reprezentarii cunostintelor in inteligenta artificiala (cu M.F. Balcan), Editura Universitatii din Bucuresti, 2004.
  2. Norton Commander 4.0. Norton Utilities 7.0 si 8.0 (cu D. Enachescu si R. Balint), Editura Tehnica, 1994.
  3. Sistemul de programe Norton Commander, Editura Tehnica, 1992.

EDITOR SI COAUTOR DE MONOGRAFIE

  1. Building Awareness in Language Technology (editori Florentina Hristea si Marius Popescu). Bucuresti, Editura Universitatii din Bucuresti, 2003.

CAPITOLE IN CARTI DE SPECIALITATE

  1. "On the Semiautomatic Generation of WordNet Type Synsets and Clusters with Special Reference to Romanian", in: Building Awareness in Language Technology (editori Florentina Hristea si Marius Popescu). Bucuresti, Editura Universitatii din Bucuresti, p. 113-140, 2003 (in lb. engleza).
  2. "A Dependency Grammar Approach to Syntactic Analysis with Special Reference to Romanian" (cu M. Popescu), in: Building Awareness in Language Technology (editori Florentina Hristea si Marius Popescu). Bucuresti, Editura Universitatii din Bucuresti, p. 9-34, 2003.

INSERARE IN ENCICLOPEDIE

  1. "Outlier Detection, Hristea Algorithm". Encyclopedia of Statistical Sciences, 2nd ed., Vol. 9; N. Balakrishnan, Campbell B. Read, and Brani Vidakovic, Editors-in-Chief. John Wiley & Sons, Inc., New York, p. 5885-5886, 2005.

ARTICOLE STIINTIFICE IN REVISTE CU REFERENTI

  1. Feeding Syntactic Versus Semantic Knowledge to a Knowledge-lean Unsupervised Word Sense Disambiguation Algorithm with an Underlying Naïve Bayes Model (cu M. Colhon). Fundamenta Informaticae, 2012 (sub tipar).
  2. Unsupervised Word Sense Disambiguation with N-Gram Features (cu D. Preotiuc). Artificial Intelligence Review, 2012, DOI 10.1007/s10462-011-9306-y (sub tipar).
  3. State of the Art Versus Classical Clustering for Unsupervised Word Sense Disambiguation (cu M. Popescu). Artificial Intelligence Review, 2011, Vol.35, Nr.3, DOI 10.1007/s10462-010-9193-7. p.241-264.
  4. Syntactic Relations in the Context of Performing Word Sense Disambiguation (cu M.Colhon). Journal of Knowledge, Communications and Computing Technologies, Vol. II, Nr. 2, 2010, p. 1-9.
  5. Performing Word Sense Disambiguation at the Border Between Unsupervised and Knowledge-Based Techniques (cu M. Popescu si M. Dumitrescu). Artificial Intelligence Review, 2009, Vol. 30, Issue 1, DOI 10.1007/s10462-009-9117-6, p. 67.
  6. Recent Advances Concerning the Usage of the Naive Bayes Model in Unsupervised Word Sense Disambiguation. International Review on Computers and Software, Vol. 4, Nr. 1, 2009, p. 58-67.
  7. Adjective Sense Disambiguation at the Border Between Unsupervised and Knowledge-based Techniques (cu M. Popescu). Fundamenta Informaticae, Vol. 91, Nr. 3-4, 2009, p. 547-562.
  8. On the Usage of the Naive Bayes Model in Unsupervised Word Sense Disambiguation. International Review on Computers and Software, Vol.3, no. 6, 2008, p. 572-578.
  9. Semiautomatic Generation of WordNet Type Synsets and Clusters Using Class Methods. An Overview. Revue Roumaine de Linguistique, VOL. LII, Issues 1-2, 2007, p. 97-133.
  10. Towards Building a WordNet Noun Ontology (cu G. Miller). Revue Roumaine de Linguistique, VOL. LI, Issues 3-4, 2006, p. 405-413.
  11. On Some Romanian Text Summarization Contributions (cu M. Popescu). Revue Roumaine de Linguistique, VOL. LI, Issues 3-4, 2006, p. 507-509.
  12. WordNet Nouns: Classes and Instances (cu G. Miller). Computational Linguistics, Volume 32, Number 1, 2006, p.1-3
  13. On the semiautomatic generation of verb synsets in languages other than English, Analele Univ. Buc., ANO LII, p.75-86, 2003.
  14. On the semiautomatic generation of WordNet type synsets and clusters, Journal of Universal Computer Science (J.UCS), Vol.8, no.12, 2002, p.1047-1064.
  15. On the use of MAICE for the detection of outliers in a linear regression model, Mathematical Reports, Vol.4 (54), No.2, 2002, p.177-190.
  16. On the diagnosis of influential observations in multidimensional linear regression, Mathematical Reports, No.4, 1999, p.545-550.
  17. On WG syntactic analysis with special reference to Romanian, Analele Univ. Buc., No.1, 1998, p.59-69.
  18. A Word Grammar approach to syntactic analysis with special reference to Romanian, (cu M.Popescu), Analele Univ. Buc., Special Issue, 1998, p.101-113.
  19. On multiple response outliers of additive nature in a linear regression model, Revue Roumaine de Mathematiques Pures et Appliquees, No.3-4, 1998, p.393-405.
  20. An algorithm for the detection of outliers in the case of the normal distribution, Mathematical Reports, No.5-6, 1997, p.339-342.
  21. On single distribution outlying pairs in a linear regression model, Analele Univ. Buc., XLVI, 1997, p.27-34.
  22. On single carrier outliers in a linear regression model, Foundations of Decision and Computing Sciences, Vol.21, No.3, 1996, p.125-136.
  23. On single additive outliers in the linear regression model, Analele Univ. Buc., No.2, 1996, p.53-64.
  24. 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, p.37-48.
  25. On the performances of an outlier test in the case of the exponential distribution (cu D.Enachescu si M.Dumitrescu), Computational Statistics and Data Analysis, No.17, 1994, p.119-127.
  26. A codification of column-convex polyominoes which generates a regular language (cu V. Domocos), Bulletin of the European Association for Theoretical Computer Science, No.50, 1993, p.197-208.
  27. On the performances of a test for a single upper outlier in an exponential sample (cu D.Enachescu), Analele Univ. Buc., No.2, 1992, p.61-69.
  28. On stepwise procedures for the rejection of outliers in a normally distributed population (cu R.Niculescu si D.Enachescu), Analele Univ. Buc., No.1-2, 1990, p.14-26.

CEL MAI RECENT PROIECT DE CERCETARE-DEZVOLTARE; director de proiect:

Proiectul BALRIC-LING finantat de Comisia Europeana.



ultima actualizare: 25 iunie 2012

Algebre Hopf in teoria categoriilor, teoria reprezentarilor si combinatorica
(Hopf algebras in category theory, representation theory and combinatorics)

  

UEFISCDI - IDEI 0635, contract 253/05.10.2011

English version:

Descriere succinta a proiectului de cercetare

In acest proiect ne propunem sa continuam studiul algebrelor Hopf si al unor structuri algebrice strans legate de acestea, pe urmatoarele directii de cercetare:

  1. Coactiuni ale unor clase de algebre Hopf pe anumite algebre;
  2. Structuri braided monoidale versus bimonade monoidale;
  3. Proprietati omologice ale algebrelor de incidenta;
  4. Produse incrucisate;
  5. Coomologie ciclica pentru algebre;
  6. Structuri combinatorice cu aplicatii la algebre si coalgebre.

Director de proiect

Prof.dr. Sorin Dascalescu, Facultatea de Matematica si Informatica a Universitatii din Bucuresti.

Echipa de cercetare a grantului:

  • Prof. Dr. Constantin Nastasescu
  • Prof. Dr. Dragos Stefan
  • CS II Dr. Florin Panaite
  • Conf. Dr. Daniel Bulacu
  • Conf. Dr. Doru Staic
  • Asist. Dr. Miodrag Iovanov
  • Doctorand Madalina Barascu
  • Masterand Laura Nastasescu
  • Masterand Adrian Manea

Cercetare sprijinita financiar de acest grant:

  1. S. Dascalescu, M. Iovanov si C. Nastasescu, Quiver Algebras, Path Coalgebras and co-reflexivity, Pacific Journal of Mathematics 262 (2013), 49-79.
  2. M. Barascu si S. Dascalescu, Good gradings on upper block triangular matrix algebras, Comm. Algebra 41 (2013), 4290-4298.
  3. S. Dascalescu, S. Predut si L. Van Wyk, Jordan isomorphisms of generalized structural matrix rings, Linear and Multilinear Algebra Vol. 61, No. 3, martie 2013, 369-376.
  4. S. Dascalescu, M. C. Iovanov, S. Predut, Frobenius structural matrix algebras, Linear Alg. Appl. 439 (2013), 3166-3172.
  5. D. Joita, C. Nastasescu si L. Nastasescu, Recollement of Grothendieck categories. Applications to schemes, Bull. Math. Soc. Sci. Math. Roum. 56 (104), no. 1, 2013, 109-116.
  6. A. Petrescu-Nita si D. M. Staic, Symmetry group of two special types of carbon nanotori, Acta Crystallographica Section A, Volume 69, Part 4, 2013, 435-439.
  7. M. Barascu, Good Z_p^2xZ_pxZ_p-gradings on matrix algebras, Annals of the University of Bucharest (Mathematical Series), 4(2) (2013), 425-431.
  8. M. Iovanov, Complete path algebras and rationals modules, Bull. Math. Soc. Sci. Math. Roum. 56 (2013), 349-364.
  9. F. Panaite, Equivalent crossed products and cross product bialgebras, Comm. Algebra 42(5)(2014), 1937-1952.
  10. F. Panaite, Iterated crossed products, J. Algebra Appl. 13(7) (2014), 1450036 (14 p.).
  11. S. Dascalescu, C. Nastasescu, L. Nastasescu, Frobenius algebras of corepresentations and group-graded vector spaces, J. Algebra 406 (2014), 226-250.
  12. A. Makhlouf, F. Panaite, Yetter-Drinfeld modules for Hom-bialgebras, J. Math. Phys. 55, 013501 (2014).
  13. S. Dascalescu, M. C. Iovanov, Semiperfect and coreflexive coalgebras, Forum Mathematicum 27(5) (2015), 2587-2607.
  14. A. Makhlouf, F. Panaite, Hom-L-R-smash products, Hom-diagonal crossed products and the Drinfeld double of a Hom-Hopf algebra, J. Algebra 441 (2015), 314-343.
  15. M. Iovanov, Triangular matrix coalgebras and applications, Linear and Multilinear Algebra 63(1) (2015), 46-67.
  16. M. Hughes, D. M. Staic, Xie Xiangdong, Classification of a class of nonrigid Carnot groups, Journal of Lie Theory 25 (2015), 717-732.
  17. D. M. Staic, A. Stancu, Operations on the Secondary Hochschild Cohomology, Homology, Homotopy and Applications 17 (2015), 129-146.
  18. D. Bulacu si B. Torrecillas, On Frobenius and separable algebra extensions in monoidal categories. Applications to wreaths, Journal of Noncommutative Geometry 9(3) (2015), 707-774.
  19. G. Graziani, A. Makhlouf, C. Menini, F. Panaite, BiHom-associative algebras, BiHom-Lie algebras and BiHom-bialgebras, Symmetry, Integrability Geom. Methods Appl. (SIGMA) 11 (2015), 086, 34 pagini.
  20. C. Boboc. S. Dascalescu, L. van Wyk, Jordan isomorphisms of 2-torsionfree triangular rings, Linear Multilinear algebra 64(2) (2016), 290-296.
  21. L. Daus, F. Panaite, A new way to iterate Brzezinski crossed products, Colloq. Math. 142(1) (2016), 51-60.
  22. J. Dello, F. Panaite, F. Van Oystaeyen, Y. Zhang, Structure theorems for bicomodule algebras over quasi-Hopfalgebras, Comm. Algebra 44 (2016), 4609-4636.
  23. A. Makhlouf, F. Panaite, Twisting operators, twisted tensor products and smash products for Hom-associative algebras, Glasgow Math. J. 58(3) (2016), 513-538.
  24. D. Stefan, C. Vay, The cohomology ring of the 12-dimensional Fomin-Kirillov algebra, Advances in Mathematics 291 (2016), 584-620.
  25. D. M. Staic, Secondary Hochschild homology, Algebras and Representation theory 19(1) (2016), 47-56.
  26. A. Manea, D. S tefan, Further properties of Koszul pairs and applications, Symmetry Integrability and Geometry-Methods and Applications 12 (2016), Article Number:092.
  27. Bruce R. Corrigan-Salter, Mihai D. Staic, Higher-order and secondary Hochschild cohomology. C. R. Math. Acad. Sci. Paris 354 (2016), no. 11, 1049-1054.
  28. S. Dascalescu, C. Nastasescu, L. Nstasescu, Symmetric algebras in categories of corepresentations and smash products, J. Algebra 465 (2016), 62-80.
  29. M. Iovanov, Z. Mesyan, M. Reyes, Infinite-dimensional diagonalization and semisimplicity, acceptat spre publicare in Israel Journal of Mathematics.
  30. P. Jara, J. L. Pena,D. Stefan, Koszul pairs. Applications, acceptat spre publicare in Journal of Noncommutative Geometry.
  31. D. Bulacu, S. Caenepeel , B.Torrecillas, Frobenius and separable functors for the category of generalized entwined modules. Applications, trimisa spre publicare la Trans. Amer. Math. Soc.
  32. M. Barascu, Counting good gradings on upper block triangular matrix algebras, in curs de revizuire.
  33. D. Bulacu, B. Torrecillas, Galois theory and cleft extensions for monoidal cowreaths. Applications, trimis spre publicare la Proc. London Math. Soc.
  34. A. Manea, D. Stefan, On Koszulity of finite graded posets, acceptat pentru publicare la Journal of Algebra and Its Applications.
  35. F. Panaite, F. Van Oystaeyen, Twisted algebras and Rota-Baxter type operators, acceptat la J. Algebra Appl.
  36. Jacob Laubacher, Mihai D. Staic, Alin Stancu, Bar Simplicial Modules and Secondary Cyclic (Co)homology, in stadiu avansat de finalizare.

Durata proiectului:

01.01.2012-31.12.2016

Buget:

500.000,00 RON/2012
225.745,43 RON/2013
250.000 RON/2014
169.152 RON/2015
355.102,57 RON/2016

Raportare 2012:

Raportare 2013:

Contractare/Raportare 2014:

Contractare/Raportare 2015:

Contractare/Raportare 2016:

2002 - 2015 -- Facultatea de Matematica si Informatica, Universitatea din Bucuresti
Str. Academiei nr. 14, sector 1, C.P. 010014, Bucuresti, Romania
Tel: (4-021) 314 2863, Fax: (4-021) 315 6990, secretariat fmi.unibuc.ro