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

Prof.dr. Dascalescu Sorin

  


Data si locul nasterii: Nascut la 23 Aprilie 1964 in Ploiesti.

Educatia: A absolvit Facultatea de Matematica, Universitatea Bucuresti in 1988.
Functiile didactice: profesor la Liceul Colorom Codlea intre 1988-1990, asistent intre 1990-1995, lector intre 1995-1999, conferentiar intre 1999-2001 iar din 2001 este Profesor la Facultatea de Matematica si Informatica, Universitatea Bucuresti.
Teza de doctorat: A sustinut doctoratul in 1992 cu teza ''Inele Graduate de Suport Finit''.
Cursuri predate: A tinut cursuri Algebre Hopf, Inele graduate si teorie Clifford, Algebra (I si II), Reprezentari de algebre, Algebre si coalgebre.
Domenii de cercetare: Algebre Hopf, Teoria Inelelor, Grupuri Cuantice.

Este recenzent la Zentralblatt fur Mathematik si Mathematical Reviews.
A obtinut Premiul "Gheorghe Lazar" al Academiei Romane, pentru anul 1996.

Carti si manuale

  1. Hopf algebras: an introduction, Monographs in Pure and Applied Mathematics 235(2000), Marcel Dekker, New York, 401 pag (cu C.Nastasescu si S.Raianu)
  2. Algebre Hopf, Editura Universitatii Bucuresti, 1998, 140 pag. (cu C.Nastasescu si S.Raianu).
  3. Probleme de algebra, Editura Universitatii Bucuresti, 1993, 100 pag., (cu C.Baetica).

Articole stiintifice

  1. Graded T-rings, Comm. Algebra, 17, 1989, p.3033-3042 (cu C.Nastasescu).
  2. The equation xn=a in left cancellative monoids, Rivista di Matematica Pura ed. Appl., Udine, 9, 1991, p.95-115 (cu C.Nastasescu).
  3. Some results on graded rings of finite support, Proc. of the Algebra Conf., Babes-Bolyai University, Faculty of Mathematics and Computer Science Research Seminars no.1, 1992, p.131-136.
  4. A note on groups with the finite embedding property, Proc. of the Int. Conf. on Group Theory, Timisoara, 1992, p.43-45.
  5. Graded semiperfect rings, Bull. de la Soc. Sci. Math. Roumaine, 36, 1992, p.247-255.
  6. Graded T-rings with finite support, Comm. Algebra, 21, 1993, p.3619-3636, (cu A. del Rio).
  7. A Maschke-type theorem for crossed coproducts, Annals of the Ovidius University of Constanta, 2, 1994, p.44-51 (cu S.Caenepeel si S.Raianu).
  8. A note on intermediate normalizing extensions, Bull.of the Austral. Math. Soc., 50, 1994, p.313-316 (cu L. Van Wyk).
  9. A note on graded semilocal rings, Revue Roumaine de Math. Pures et Appl., 40, 1995, p.253-258 (cu M.Beattie si C.Nastasescu).
  10. Graded coalgebras and Morita-Takeuchi contexts, Tsukuba J. Math., 19, 1995, p.395-407 (cu C.Nastasescu, S.Raianu si F. Van Oystaeyen).
  11. Finite Hopf-Galois coextensions, crossed coproducts and duality, J. Algebra 178, 1995, p.400-413 (cu S.Raianu si Y.H. Zhang).
  12. Cosemisimple Hopf algebras coacting on coalgebras, Comm. Algebra, 24, 1996, p.1649-1678 (cu S.Caenepeel si S.Raianu).
  13. Gradings of finite support. Applications to injective objects, J. Pure Appl. Algebra, 107, 1996, p.193-206 (cu C.Nastasescu, A. del Rio si F. Van Oystaeyen).
  14. Categories of modules graded by G-sets. Applications, J. Pure Appl. Algebra 107, 1996, p.129-139 (cu M.Beattie).
  15. Do isomorphic structural matrix rings have isomorphic graphs?, Proc. Amer. Math. Soc., 124, 1996, p.1385-1391 (cu L. Van Wyk).
  16. Crossed coproducts and cleft coextensions, Comm. Algebra 24, 1996, p.1229-1243 (cu G.Militaru si S.Raianu).
  17. Coalgebra deformations of bialgebras by Harrison cocycles, Bull. Belgian Math. Soc. 4(1997), 647-672 (cu S.Caenepeel, G.Militaru si F.Panaite).
  18. Some Remarks on a theorem of H.-J. Schneider, Comm. Algebra 24 (1996), p.4477-4493 (cu S.Raianu si F. Van Oystaeyen).
  19. Comodules graded by G-sets. Applications, Comm. Algebra 25 (1997), p.159-175 (cu C.Nastasescu, B.Torrecillas si F. Van Oystaeyen).
  20. Duality theorems for graded algebras and coalgebras, J. Algebra 192 (1997), p.261-276, (cu C.Nastasescu, B.Torrecillas si F. Van Oystaeyen).
  21. Galois Extensions for Co-Frobenius Hopf Algebras, J. Algebra 198 (1997), p.164-183, (cu M.Beattie si S.Raianu).
  22. Modules Graded By G-Sets. Duality And Finiteness Conditions, J. Algebra 195 (1997), p.624-633, (cu D.Bulacu si L.Grünenfelder).
  23. Comodules graded by G-sets. Applications, Comm. Algebra 25 (1997), p.159-175, (cu C.Nastasescu, B.Torrecillas si F. Van Oystaeyen).
  24. FBN Hopf Module Algebras, Comm. Algebra 25 (1997), p.3521-3529, (cu A.V. Kelarev si B.Torrecillas).
  25. Pointed Hopf algebras of dimension p3, J. Algebra 209 (1998), p.622-634, (cu S.Caenepeel).
  26. Finiteness Conditions, Co-Frobenius Hopf Algebras and Quantum Groups, J. Algebra 200 (1998), p.312-333, (cu M.Beattie, L.Grünenfelder si C.Nastasescu).
  27. On pointed Hopf algebras of dimension 2n, Bull. London Math. Soc. 31 (1999), p.17-24, (cu S.Caenepeel).
  28. On the number of types of finite dimensional Hopf algebras, Inventiones Math. 136 (1999), p.1-7, (cu M.Beattie si L.Grünenfelder).
  29. Classifying pointed Hopf algebras of dimension 16, Comm. Algebra 28 (2000), p.541-568 (cu S.Caenepeel si S.Raianu).
  30. On pointed Hopf algebras of dimension pn, Proc. Amer. Math. Soc. 128 (2000), p.361-367, (cu M.Beattie si L.Grünenfelder).
  31. Yang-Baxter operators arising from (co)algebra structures, Comm. Algebra 27 (1999), p.5833-5845, (cu F.Nichita).
  32. Group gradings on full matrix rings, J. Algebra 220 (1999), p.709-728 (cu B.Ion, C.Nastasescu si J.Rios).
  33. Pointed Hopf algebras with large coradical, Comm. Algebra 27 (1999), p.4821-4826, (cu S.Dascalescu).
  34. Forms of Hopf algebras, Manuscripta Math. 100 (1999), p.35-53, (cu S.Caenepeel si L. Le Bruyn).
  35. A co-Frobenius Hopf algebra with a separable Galois extension is finite, Proc. Amer. Math. Soc. 128(2000), 3201-3203 (cu M.Beattie si S.Raianu).
  36. Constructing pointed Hopf algebras by Ore extensions, J. Algebra 225 (2000), p.743-770, (cu M.Beattie si L.Grünenfelder).
  37. Co-Frobenius Hopf algebras: integrals, Doi-Koppinen modules and injective objects, J. Algebra 220 (1999), p.542-560, (cu C.Nastasescu si B.Torrecillas).
  38. The categories of Yetter-Drinfel'd modules, Doi-Hopf modules and two-sided two-cosided Hopf modules, Applied Categorical Structures 6 (1998), p.223-237, (cu M.Beattie, S.Raianu si F. Van Oystaeyen).
  39. Smash (Co)-products from adjunctions, "Rings, Hopf algebras and Brauer Groups", Marcel Dekker Lecture Notes, 197 (1998), p.103-110, (cu S.Raianu si F. Van Oystaeyen).
  40. Strongly graded coalgebras and graded crossed coproducts, ''Abelian groups, module theory, and topology'', editors D. Dikranjan si L. Salce, Proceedings of the conference in honour of A. Orsatti, Padua, Italy, Marcel Dekker Lecture Notes 201 (1998), p.131-142, (cu C.Nastasescu si S.Raianu).
  41. Finiteness conditions for semigroup graded modules, Rev. Roumaine Math. Pures. Appl 44 (1999), p.37-50 (cu A.V.Kelarev).
  42. On gradings of matrix algebras by cyclic groups, Comm. Algebra 29 (2001), 5013-5021 (cu C.Boboc).
  43. Homological dimension of coalgebras and crossed coproducts, K-Theory 23 (2001), 53-65 (cu C.Nastasescu si B.Torrecillas).
  44. The recovery of the non-diagonal tile in a tiled triangular matrix ring, Indian J. Math. 42 (2000), 167-173 (cu L.Van Wyk).
  45. Semigroup gradings of upper triangular matrix rings, Rev. Roumaine Math. Pures Appl. 46(2001), 611-615 (cu A.Kelarev si C.Nastasescu).
  46. Semigroup gradings of full matrix rings, Comm. Algebra 29 (2001), 5023-5031 (cu A.Kelarev si L.Van Wyk).
  47. Involutory Hopf algebras with non-zero integral, Bull. London Math. Soc. 34 (2002), 33-36 (cu C.Nastasescu si B.Torrecillas).
  48. On gradings of matrix algebras and descent theory, Comm. Algebra 30 (2002), 5901-5920 (cu S.Caenepeel si C.Nastasescu).
  49. Lifting of Nichols algebras of type B2, Israel J. Math. 132 (2002), 1-28 (cu M.Beattie si S.Raianu).
  50. Co-Frobenius Hopf algebras and the coradical filtration, Mathematische Zeitschrift 243 (2003), 145-154 (cu N.Andruskiewitsch).
  51. Group gradings on M2(k), Bull. Australian Math. Soc. 68 (2003), 285-293 (cu R.Khazal si C.Boboc).
  52. Isomorphism of generalized triangular matrix rings and recovery of tiles, International Journal of Mathematics and Math. Sciences 9 (2003), 533-538 (cu R.Khazal si L.Van Wyk).
  53. Hopf algebras of dimension 14, Journal of the London Math. Soc. 69 (2004), 65-78 (cu M.Beattie).
  54. Quantum lines over non-cocommutative Hopf algebras, J. Algebra 273 (2004), 753-779 (cu C.Calinescu, A.Masuoka si C.Menini).
  55. Some examples of integrals for bialgebras, Hopf algebras, 133-141, Lecture Notes in Pure Appl. Math. 237 (2004), Marcel Dekker.
  56. On associative superalgebras of matrices, Rocky Mountain J. Math. 34 (2004), 585-598 (cu P.Jarvis, A.Kelarev si C.Nastasescu).
  57. Symmetric liftings of quantum linear spaces, Mathematica 46 (69) (2004), 141-147.
  58. Periodic rings with finitely generated underlying group, International Journal of Mathematics and Math. Sciences 36 (2004), 1887-1892 (cu R.Khazal).
  59. Symmetric coalgebras, Journal of Algebra 279 (2004), 326-344 (cu F.Castano Iglesias si C.Nastasescu).
  60. Wide Morita contexts, relative injectivity and equivalence results, Journal of Algebra 284 (2005), 705-736 (cu C.Chifan si C.Nastasescu).
  61. On quantum groups at -1, Algebras and Representation Theory 8 (2005), 11-34 (cu N.Andruskiewitsch).
  62. Good gradings on matrix algebras by finite abelian groups of prime index, Bull. Math. Soc. Sc. Math. Roumanie 49 (2006), 5-11 (cu C.Boboc).
  63. Relative regular objects in categories, Applied Categorical Structures 14 (2006), 567-577 (cu C.Nastasescu, A.Tudorache si L.Daus).
  64. On the dimension of the space of integrals for finite dimensional bialgebras, va aparea in Studia Scientiarum Mathematicarum Hungarica.
  65. Group gradings on M3(k), va aparea in Comm. Algebra (cu C.Boboc).



Actualizat: 31 mai 2007



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