Articole din publicaţii internaţionale: Recent submissions

  • 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, ...
  • Gas-sensing features of nanostructured tellurium thin films 
    TSIULYANU, Dumitru (Beilstein Institute for the Advancement of Chemical Sciences (Germany), 2020)
    Nanocrystalline and amorphous nanostructured tellurium (Te) thin films were grown and their gas-sensing properties were investigated at different operating temperatures with respect to scanning electron microscopy and X-ray ...
  • Functional nanostructures for electronics, spintronics and sensors 
    SIDORENKO, Anatolie S. (Beilstein Institute for the Advancement of Chemical Sciences, Germany, 2020)
    Nanotechnology and functional nanostructures, exciting trends of the 21st century, are topics that have penetrated and influenced nearly all areas of human activity: from microelectronics to biology, from aerospace to ...
  • Technologies of capture and storage of energy from renewable sources 
    CRISTESCU, Corneliu; DUMITRESCU, Catalin; DRUMEA, Petrin; DULGHERU, Valeriu; KEDZIA, Krzysztof (HERVEX, 2016)
    The article presents some considerations general related to renewable energies, and some technologies for capture, conversion and storage of renewable energies, practiced globally, emphasizing the need for technical solutions ...
  • Selection of a Solution When Using Axiomatic Design 
    SLĂTINEANU, Laurenţiu; DODUN, Oana; COTEAŢĂ, Margareta; DULGHERU, Valeriu; DUŞA, Petru; BANCIU, Felicia; BEŞLIU, Irina (MATEC Web of Conferences, 2017)
    Over the years, the importance of the creativity inclusively in the field of design activities was highlighted. In accordance with the opinions of certain researchers, the divergent thinking could contribute to the increase ...
  • Reducing conventional fuel consumption by implementing hybrid energy production systems 
    DUMITRESCU, C.; DULGHERU, V.; CRISTESCU, C.; DUMITRESCU, L.; BLEJAN, M.; RADOI, R. (University Politehnica Timisoara, 2017)
    Benefiting from significant renewable energy resources, Romania has made great strides in recent years in the field of converting solar and wind energy; in addition to these, hydraulic energy has been exploited for several ...

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