Articole din publicaţii internaţionale: Recent submissions

  • Comparison of Word-based and Letter-based Text Classification 
    BOBICEV, Victoria (Association for Computational Linguistics, 2007)
    In this paper the comparison of two PPM (Prediction by Partial Matching) methods for automatic content-based text classification is described: on the basis of letters and on the basis of words. The investigation was driven ...
  • Classification of Emotion Words in Russian and Romanian Languages 
    SOKOLOVA, Marina; BOBICEV, Victoria (Association for Computational Linguistics, 2009)
    This paper presents a machine learning study of affective words in Russian and Romanian languages. We tag the word affective meaning by one of the WordNet Affect six labels anger, disgust, fear, joy, sadness, surprise and ...
  • Can Anonymous Posters on Medical Forums be Reidentified? 
    BOBICEV, Victoria; SOKOLOVA, Marina; EL EMAM, Khaled; JAFER, Yasser; DEWAR, Brian; JONKER, Elizabeth; MATWIN, Stan (JMIR Publications, 2013)
    The goal was to build a system that accurately attributes authorship of messages posted on medical forums. The Authorship Attributor system uses text analysis techniques to crawl medical forums and automatically correlate ...
  • Automatic Detection of Arabicized Berber and Arabic Varieties 
    ADOUANE, Wafia; SEMMAR, Nasredine; JOHANSSON, Richard; BOBICEV, Victoria (The COLING 2016 Organizing Committee, 2016)
    Automatic Language Identification (ALI) is the detection of the natural language of an input text by a machine. It is the first necessary step to do any language-dependent natural language processing task. Various methods ...
  • Authorship Detection with PPM 
    BOBICEV, Victoria (CEUR, 2013)
    This paper reports on our work in the PAN 2013 author identification task. The task is to automatically detect the author of the given text having small training sets with known authors. The task was solved by a system ...
  • Authorship Attribution in Health Forums 
    BOBICEV, Victoria; SOKOLOVA, Marina; EL EMAM, Khaled; MATWIN, Stan (INCOMA Ltd. Shoumen, Bulgaria, 2013)
    The emergence of social media (networks, blogs, web forums) has given people numerous opportunities to share their personal stories, including details of their health. Although users mostly post under assumed nicknames, ...
  • An Effective and Robust Method for Short Text Classification 
    BOBICEV, Victoria; SOKOLOVA, Marina (The AAAI Press, Menlo Park, California, 2008)
    Classification of texts potentially containing a complex and specific terminology requires the use of learning methods that do not rely on extensive feature engineering. In this work we use prediction by partial matching ...
  • Agreement: How to Reach it? Defining Language Features Leading to Agreement in Discourse 
    ZIDRAŞCO, Tatiana; SHIRAMATSU, Shun; BOBICEV, Victoria; OZONO, Tadachika; SHINTANI, Toramatsu (Association for Computational Linguistics, 2011)
    Consensus is the desired result in many argumentative discourses such as negotiations, public debates, and goal-oriented forums. However, due to the fact that usually people are poor arguers, a support of argumentation is ...
  • TUMnanoSAT Nanosatellite and Kibocube Program 
    BOSTAN, Viorel; SECRIERU, Nicolae; ILCO, Valentin; MELNIC, Vladimir; MARTINIUC, Alexei; VARZARU, Vlad (IEEE, 2020)
    This paper presents a brief overview of the first Moldavian satellite – TUMnanoSAT designed at the Technical University of Moldova Space Technology Center, included in KiboCube Program. In the paper are described educational ...
  • Recovery-based error estimation and adaptive solution of elliptic variational inequalities of the second kind 
    BOSTAN, Viorel; HAN, Weimin (International Press of Boston, 2004)
    In this paper, we present and analyze gradient recovery type a posteriori error estimates for the finite element approximation of elliptic variational inequalities of the second kind. Both reliability and efficiency of the ...
  • Numerical modelling of hydrodynamic blades and floating stability of micro hydropower station (Part 2) 
    BOSTAN, Viorel (Universitaria, 2011)
    A new design and functional concept of a hydraulic flow turbine with vertical axis and individualized orientation of the hydrodynamic blades were proposed and elaborated. In order to maximize the flowing water energy ...
  • Development and validation of a CFD model used for vertical axis wind turbines simulations 
    BOSTAN, V.; GUŢU, M.; RABEI, I. (IOP Publishing, 2018)
    This paper describes the design of a CFD model based on the finite element analysis, used for determining the performance of a vertical axis wind turbine. The validation of the proposed model is done by simulating a real ...
  • Developing Modified Hydrodynamic Rotor for Flow Small Hydro 
    BOSTAN, Ion; BOSTAN, Viorel; DULGHERU, Valeriu; CIOBANU, Oleg; CIOBANU, Radu; GLADIS, Vitalie (Springer Nature Switzerland, 2017)
    An efficient conversion of kinetic energy of river water into mechanical or electrical energy without building barrages is provided by micro-hydropower stations. Increased efficiency is achieved by an optimum position of ...
  • Analytic description of teeth profile of gears with rollers ab and justification of precessional gear parameters selection a 
    BOSTAN, Ion; DULGHERU, Valeriu; BOSTAN, Viorel (Technical Sciences Academy of Romania, 2020)
    The engineering complex study of the triad “gear-technology-transmission” has permitted to elaborate a new type of mechanical transmission – planetary precessional transmissions with multicouple gear. In this paper, the ...
  • Aerodynamic efficiency enhancement for asymmetric profiles 
    BOSTAN, Viorel; GUŢU, Marin; ODAINÂI, Valeriu (EDP Sciences, 2009)
    This paper presents a solution for enhancement of aerodynamic efficiency for asymmetric airfoils. In order to increase the lift and reduce the drag forces for a blade segment, a groove was created on its surface. There ...
  • Adaptive Finite Element Solution of Variational Inequalities with Application in Contact Problems 
    BOSTAN, Viorel; HAN, Weimin (Springer Nature Switzerland, 2009)
    In this chapter, we perform a posteriori error analysis for the adaptive finite element solution of several variational inequalities, including elliptic variational inequalities of the second kind and corresponding quasistatic ...
  • A posteriori error estimation and adaptive solution of elliptic variational inequalities of the second kind 
    BOSTAN, Viorel; HAN, Weimin; REDDY, B. D. (Elsevier, 2005)
    In this paper, we perform an a posteriori error analysis for adaptive finite element solutions of elliptic variational inequalities of the second kind. A general framework for a posteriori error estimates is established ...
  • A posteriori error analysis for finite element solutions of a frictional contact problem 
    BOSTAN, Viorel; HAN, Weimin (Elsevier, 2006)
    In this paper, we derive and analyze a residual type a posteriori error estimator for finite element approximations of a frictional contact problem for linearized elastic materials. The reliability of the estimator is ...
  • A posteriori error analysis for elliptic variational inequalities of the second kind 
    BOSTAN, V.; HAN, W.; REDDY, B. D. (Elsevier, 2003)
    This chapter derives the posteriori error estimates for the finite element approximation of elliptic variational inequalities of the second kind, by using the duality theory in convex analysis. An example in which the ...
  • Spectrophotometric determination of polyphenolic and protein content of young white wines in the Moldova area 
    HORTOLOMEU, Andreea; SCUTARU, Iurie; ARSENI, Alexandra; STURZA, Rodica; NISTOR, Ileana Denisa (Alma Mater Publishing House of the University of Bacãu, Romania, 2021)
    In this paper, the processes of protein stability were treated in order to identify the level of protein substances as well as the polyphenolic compounds in white wines. For an optimal determination of the oxidation degree, ...

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