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    • Starting with 2011, two regulary issues per year are published. Submissions are accepted on a continuous basis, though it is advisable to submit by February 15 for the first issue, and by May 15 for the second issue.
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Welcome to Spiru Haret University Annals :
Matematics-Informatics Series


 

 
 
Vol X / 2014, Issue 2

Editorial Committee: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica, Ph.D. Lecturer Dana Vîlcu
Web manager: Bârză Silviu

CONTENT:
  1. BÂRZĂ, Silviu: A Better Sets Approach Algorithm for the Determination of Component Minimal Complete Subgraph, pp. 5-12.
    Abstract, PDF
  2. BÂRZĂ, Silviu: Probability for the Existence of the Solutions for Constant Sum Integer Programming, pp. 13-21.
    Abstract, PDF
  3. DINCĂ, Sorin: Using Client-Server Technology to Query Knowledge Bases in Natural Language, pp. 23-31.
    Abstract, PDF
  4. COPIL, Vlad; IOAN, Rodica: A Brief History of Catalan's Conjecture, pp. 33-36.
    Abstract, PDF
  5. AVERIAN, Alexandru: Digital Ecosystems Software Modeling from a Niche Perspective, pp. 37-47.
    Abstract, PDF
  6. POIENARIU, Mihaela; CHIROIU, Veturia: Composite Materials Inspired by Nature, pp. 49-59.
    Abstract, PDF
Vol X / 2014, Issue 1

Editorial Committee: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica, Ph.D. Lecturer Dana Vîlcu
Web manager: Bârză Silviu

  1. BÂRZĂ, Silviu: A Better Sets Approach Algorithm for the Determination of Component Minimal Complete Subgraph, pp. 5-12.
    Abstract, PDF
  2. BÂRZĂ, Silviu: Probability for the Existence of the Solutions for Constant Sum Integer Programming, pp. 13-21.
    Abstract, PDF
  3. DINCĂ, Sorin: Using Client-Server Technology to Query Knowledge Bases in Natural Language, pp. 23-31.
    Abstract, PDF
  4. COPIL, Vlad; IOAN, Rodica: A Brief History of Catalan's Conjecture, pp. 33-36.
    Abstract, PDF
  5. AVERIAN, Alexandru: Digital Ecosystems Software Modeling from a Niche Perspective, pp. 37-47.
    Abstract, PDF
  6. POIENARIU, Mihaela; CHIROIU, Veturia: Composite Materials Inspired by Nature, pp. 49-59.
    Abstract, PDF
 
Vol IX / 2013, Issue 2

Editorial Committee: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica, Ph.D. Lecturer Argus Dunca
Web manager: Bârză Silviu

CONTENT:
  1. ENESCU, Marian: Subjective Risk Analysis Approaches of LCP, pp. 5-12.
    Abstract, PDF
  2. ALBEANU, Grigore: Neutrosophic Computational Models - I, pp. 13-22.
    Abstract, PDF
  3. ENESCU, Marian: Computer Aided Risk Management of Large Combustion Plants, pp. 23-30.
    Abstract, PDF
  4. ALBEANU, Grigore, BURTSCHY, Bernard, POPENÅ¢IU-VLÄ‚DICESCU, Florin: Soft Computing Strategies in Multiobjective Optimization, pp. 31-38.
    Abstract, PDF
  5. BUCEA-MANEA-TONIS, Rocsana, BUCEA-MANEA-TONIS, Radu: Marketing Simulation - Reducing the Transport Cost for Commercial Agents, pp. 39-46.
    Abstract, PDF
  6. Dumitru, Dan: About Generalized Quasi-Einstein Spaces, pp. 47-52.
    Abstract, PDF
  7. Dumitru, Dan: A Characterization of Einstein Spaces, pp. 53-55.
    Abstract, PDF
Vol IX / 2013, Issue 1

Editorial Committee: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica, Ph.D. Lecturer Argus Dunca
Web manager: Bârză Silviu

CONTENT:
  1. VÄ‚DUVA, Ion: On Simulation Some Life Data Distributions, pp. 5-16.
    Abstract, PDF
  2. CHIÅ¢ESCU, Ion: The Formula of Faà di Bruno: Old and New, pp. 17-26.
    Abstract, PDF
  3. DINICĂ, Maria; DINESCU, Luminiţa: Modern Perspectives of Using the Computer in Teaching Physics, pp. 27-36.
    Abstract, PDF
  4. MOISE, Luminiţa Dominica; CRISTEA, Ruxandra: Confluence Between Higher Secondary and Universitary Educational System. Approach Based on Projects in Virtual Space, pp. 37-44.
    Abstract, PDF
  5. VÎRGOLICI, Horia: On the Exponential Diophantine Equation x2 + D = yn: a brief survey, pp. 45-54.
    Abstract, PDF
  6. DUMITRU, Dan: On the connectedness properties of the attractors of iterated function systems, pp. 55-64.
    Abstract, PDF
  7. BÂRZÄ‚, Silviu: Sets Approach Algorithms for Determination of Component Minimal Complete Subgraph, pp. 65-72.
    Abstract, PDF
  8. BÂRZÄ‚, Silviu: Some Characterizations on Clustering Using Equivalent Graphs, pp. 73-78.
    Abstract, PDF
 
Vol VIII / 2012, Issue 2

Editorial Committee: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica, Ph.D. Lecturer Argus Dunca
Web manager: Bârză Silviu

CONTENT:
  1. Sterian, Alexandru: A geometric proof of a non-vanishing theorem on Del Pezzo variety Vn, pp. 5-10.
    Abstract, PDF
  2. Dumitru, Dan: Attractors of topological iterated function system, pp. 11-16.
    Abstract, PDF
  3. Loyola Y Blanco, José: Modeling a Virtual Learning Environment as States of a Touring Machine, pp. 17-26.
    Abstract, PDF
  4. Loyola Y Blanco, José,: A digital pedagogy model, pp. 27-40.
    Abstract, PDF
  5. Bârză, Silviu: Some Consideration About Component Minimal Complete Subgraph, pp. 41-50.
    Abstract, PDF
  6. Bârză, Silviu: Equivalent and Strong Equivalent Graphs with Application in Clustering, pp. 51-58.
    Abstract, PDF
 
Vol VIII / 2012, Issue 1

Editorial Committee: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica, Ph.D. Lecturer Argus Dunca
Web manager: Bârză Silviu

CONTENT:
  1. Ilea Mihai, Turnea Marius: Stiff equation with application in ovarian cancer diseases, pp. 5-16.
    Abstract, PDF
  2. Turnea Marius, Ilea Mihai, Rotariu Mariana: Stiff equation with application in physiological excitable systems, pp. 17-22.
    Abstract, PDF
  3. Dumitru Dan: Generalized Quasi-Einstein warped products, pp. 23-30.
    Abstract, PDF
  4. Săraru, Corina; State, Luminiţa,: Optimized classifier design using wavelets and independent component analysis feature extraction for support vector machines, pp. 31-38.
    Abstract, PDF
  5. Bârză, Silviu: Determination of the number of isomorphic graphs with diagonal cell type walks matrix, pp. 39-48.
    Abstract, PDF
  6. Poienariu Mihaela, Ioan Rodica: On the self-organizing pattern with application to smart materials, pp. 49-58.
    Abstract, PDF
  7. Georgescu Migdonia, Munteanu Ligia: On the dynamics of timber structures subjected to wind actions, pp. 59-66.
    Abstract, PDF
  8. Vîrgolici Horia: On the exponential diophantine equation    px+1009y=2z, pp. 67-70.
    Abstract, PDF
  9. Stanciu Laura Filofteia, Breaz Daniel: Some univalence conditions for a family of integral operators, pp. 71-78.
    Abstract, PDF
 
Vol VII / 2011, Issue 2

Editor in chief: Ph.D. prof. Rodica Trandafir;
Editors: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica

CONTENT:
  1. Vîrgolici, Horia: On the Exponential Diophantine Equation    2x+1009y=pz, pp. 5-10.
    Abstract, PDF
  2. Bârză, Silviu: Number of Isomorphic Graphs with the Same Diagonal Cell Type Walks Matrix, pp. 11-18.
    Abstract, PDF
  3. Grădinaru, Stelian: Pairs of Glauert Integrals, pp. 19-24.
    Abstract, PDF
  4. Săraru, Corina; State, Luminiţa,: Optimized Classifier Design Using Wavelets and Independent Component Analysis Feature Extraction for Support Vector Machines, pp. 25-30.
    Abstract, PDF
  5. Becheru, Petru-Ioan: Correcting Romanian Typesetting Mistakes by Using Regular Expressions, pp. 31-36.
    Abstract, PDF
  6. Fazlollahtabar, Hamed; Abbasi, Ali: Heuristic Probabilistic Approach for Prioritizing Optimal Course Delivery Policies in E-Learning Systems, pp. 37-52.
    Abstract, PDF
 
Vol VII / 2011, Issue 1

Editor in chief: Ph.D. prof. Rodica Trandafir;
Editors: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica

CONTENT:
  1. Anastasiu Popescu, Doru: Measuring the Quality of the Navigation in Web Sites Using the Cloning Relation, pp. 5-10.
    Abstract, PDF
  2. Paliokas, Ioannis: Towards Massively Multistudent Online Cloud Learning Environment (MMCLE), pp. 11-20.
    Abstract, PDF
  3. Dumitru, Dan: On Compact Einstein Warped Products, pp. 21-26.
    Abstract, PDF
  4. Paraschiv-Munteanu, Iuliana; State, Luminiţa: Classification Using Kernel SVM, pp. 27-32.
    Abstract, PDF
  5. Sticlaru, Gabriel: Counting Solutions to Some Polynomial Equations Over Finite Fields, pp. 33-44.
    Abstract, PDF
  6. Fazlollahtabar, Hamed; Hajmohammadi, Hamed: Reliability Assessment of Users’ Virtual Learning Queue System, pp. 45-52.
    Abstract, PDF
  7.  
 
Vol VI / 2010, Special Issue

Editorial committee: Ph.D. prof. Rodica Trandafir, Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica

CONTENT:
  1. Albeanu, Grigore; Vlada, Marin: New Results on E-Learning Methodologies, pp. 5-6.
    Abstract, PDF
  2. Chen, Zhengxin: Rethinking Thinking: Using Ontologies for E-Technology Enabled Integrated Problem Solving, pp. 7-14.
    Abstract, PDF
  3. Allegra, Mario; La Guardia Dario; Gentile, Manuel; Taibi, Davide; Fulantelli, Giovanni: A Digital Game Approach for Entrepreneurial Mindsets, pp. 15-22.
    Abstract, PDF
  4. Divena, Snejana: A Study on Students` Views on Blended Learning Environment Usage, pp. 23-30.
    Abstract, PDF
  5. Răileanu Elena: Metasystems Approach to Research the Globalisated Pedagogical Processes, pp. 31-50.
    Abstract, PDF
  6. Gentile, Manuel; Fulantelli, Giovanni; Taibi, Davide; Allegra Mario: Towards the Learning Object Management System and Dynamic Use of Metadata, pp. 51-58.
    Abstract, PDF
  7. Kitagaki, Ikuo: E-Learning for English Language Speaking Skill, pp. 59-67.
    Abstract, PDF
  8. Răileanu Elena: The E-Learning Structure - Context Methodology, pp. 68-72.
    Abstract, PDF
  9. Taibi, Davide; Gentile, Manuel; Fulantelli, Giovanni; Allegra, Mario: Collaborative Creation of Open Educational Resources: Teachers in the Net Generation, pp. 73-82.
    Abstract, PDF
  10. Stănescu, Ioana; Åětefan, Antoniu; Hamza-Lup, G. Felix; Åětefan, Veronica: Simulation and Haptic-Enabled Frameworks for Virtual Learning Environments, pp. 83-89.
    Abstract, PDF
  11. Awad, Abdelkarim; Ghanem, Wasel: Computer Organization: Hardware Description Language Approach, pp. 90-98.
    Abstract, PDF
 
Vol VI / 2010, Issue 1

Editor in chief: Ph.D. prof. Rodica Trandafir;
Editors: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica

CONTENT:
  1. Ghica, Manuela: Approximate Saddle Points Portfolios, pp. 5-10.
    Abstract, PDF
  2. Dumitru, Dan: Connectedness of the Attractors of Iterated Function Systems, pp. 11-18.
    Abstract, PDF
  3. Vîrgolici, Horia: On the Exponential Diophantine Equation, pp. 19-22.
    Abstract, PDF
  4. Vornicescu, Neculae: Approximation of Functions of Two Variables by Discrete Linear Positive Operators, pp. 23-32.
    Abstract, PDF
  5. Albeanu, Grigore; Madsen, Henrik; Popenţiu-Vlădicescu Florin; Dumitru, Marius: On Designing Extendable Java-based Software for Time Series Analysis, pp. 33-40.
    Abstract, PDF
  6. Sticlaru, Gabriel: Algebraic Statistics: Some Applications, pp. 41-54.
    Abstract, PDF
  7. Păunescu, Luminiţa; Curculescu, Bogdan Ionuţ: Information Security through Wireless Technology, pp. 55-69.
    Abstract, PDF
 
Vol V / 2009, Special Issue

Editor in chief: Ph.D. prof. Rodica Trandafir;
Editors: Ph.D. prof. Iordan Duda, Ph.D. Lecturer Manuela Ghica
Guest editors: Ion Popescu & Grigore Albeanu

CONTENT:
  1. Popescu, Ion; Albeanu, Grigore: Mathematical Modelling in Business, Environment and Computer Science, pp. 5-6.
    Abstract, PDF
  2. Miscoi, Gheorghe; Popescu, Ion; Ungureanu, Laura; Matei, Ion Viorel; Velter, Victor: On Interdisciplinary Approach of Economic Reality, pp. 7-10.
    Abstract, PDF
  3. Burtschy, Bernard; Albeanu, Grigore; Popentiu-Vladicescu, Florin: Time Series Forecasting in Software Reliability by Fuzzy Nearest Neighbour Method, pp. 11-14.
    Abstract, PDF
  4. Albeanu, Grigore; Madsen Henrik; Ghica, Manuela; Popentiu-Vladicescu, Florin: Bootstrap Intensive Methods for Understanding Empirical Loss Data and Dynamic Financial Analysis, pp. 15-20.
    Abstract, PDF
  5. Madsen, Henrik; Popentiu-Vladicescu, Florin; Albeanu, Grigore: Queueing Models for Computing Systems Management and Maintenance, pp. 21-26.
    Abstract, PDF
  6. Albeanu, Grigore; Burtschy, Bernard; Popentiu-Vladicescu, Florin: Uncertainty Estimation by Bootstrap Approach, pp. 27-30.
    Abstract, PDF
  7. Miscoi, Gheorghe; Popescu Ion; Albeanu, Grigore; Manuela Ghica: On Teaching Statistics and Econometrics Using Modern ICT Methodologies, pp. 31-34.
    Abstract, PDF
  8. Albeanu, Grigore; Burtschy, Bernard; Popentiu-Vladicescu, Florin; Ghica, Manuela: Bootstrap Simulation Models in Environmental Economics, pp. 35-44.
    Abstract, PDF
  9. Miscoi, Gheorghe, Ioan, Rodica; Albeanu, Grigore: Bootstrap Simulation Models for Indirect Measurement Estimation, pp. 45-54.
    Abstract, PDF
 
Vol V / 2009, Issue 1

Editor in chief: Ph.D. prof. Rodica Trandafir;
Editors: Ph.D. prof. Iordan Duda, Ph.D. prof. Grigore Albeanu, Ph.D. assoc. prof. Rodica Ioan

CONTENT:
  1. Nicola, Ileana Rodica: Hopf bifurcations for a time-delayed cancer cell population model, pp. 5-14.
    Abstract, PDF
  2. Vîrgolici, Horia: An algorithm for the synthesis of the functions generator cylinder mechanism, pp. 15-18.
    Abstract, PDF
  3. Ghica, Manuela: ε-Approximate portfolios, pp. 19-30.
    Abstract, PDF
  4. Dumitru, Dan: Some estimations of the Mandelbrot set, pp. 31-36.
    Abstract, PDF
  5. Vornicescu, Neculae: A problem in nonlinear optimization, pp. 37-46.
    Abstract, PDF
  6. Niculescu, Rodica Florentina; Niculescu, Radu Stefan: A characterization of Directed P-graphs, pp. 47-54.
    Abstract, PDF
  7. Militaru, Romulus; Călin, Liviu-Adrian; Călugăru George-Cristian; Georgescu, Adrian: Efficient processing of numerical algorithms through Numerical Engineering Software, pp. 55-64.
    Abstract, PDF
  8. Vîlcu, Dana; Mercier, Giles: Multiprocessor scheduling theory. A short survey, pp. 65-75.
    Abstract, PDF
 
Vol IV / 2008, Issue 1

Editor in chief: Ph.D. prof. Rodica Trandafir;
Editors: Ph.D. Assoc. Prof. Rodica Ioan, Ph.D. Assoc.Prof. Silviu Bârză, Ph.D. Lecturer Argus Adrian Dunca

CONTENT:
  1. Dumitru, Dan: Some generalizations of F-connections on differentiable manifolds, pp. 5-12.
    Abstract, PDF
  2. Vîrgolici, Horia: An algorithm for the optimal synthesis of a guiding mechanism, pp. 13-22.
    Abstract, PDF
  3. Bârză, Silviu: Variation of constant sum constraint for integer model with non uniform variables, pp. 23-28.
    Abstract, PDF
  4. Miu, Lisandra: Different approaches for a linear model for financial portfolio optimization, pp. 29-38.
    Abstract, PDF
  5. Militaru, Romulus; Călin, Liviu-Adrian; Călugaru, George-Cristian; Georgescu, Adrian: Numerical engineering software, pp. 39-46.
    Abstract, PDF
  6. Sticlaru, Gabriel; Dan, Radu, Necolae; Ispas, Marius: E-commerce with open source technology: Apache, Php, and Postgresql, pp. 47-56.
    Abstract, PDF
  7. Albeanu, Grigore; Ţarcă, Cătălin Radu; Popenţiu-Vlădicescu, Florin; Paşc, Ildiko: Interfacing a robot control application with a remote user, pp. 57-62.
    Abstract, PDF
 
Vol III / 2007, Issue 1

Editor in chief: Ph.D. prof. Rodica Trandafir;
Editors: Ph.D. Prof. Grigore Albeanu, Ph.D. Assoc. Prof. Ioan Rodica, Lecturer Manuela Ghica, Lecturer Alexandru Averian

CONTENT:
  1. Copil, Vlad: Relating the Riemann Hypothesis and the primes between two cubes, pp. 5-10.
    Abstract, PDF
  2. Chiţescu, Ion: A formula concerning symmetric bilinear maps and self adjoint operators, pp. 11-16.
    Abstract, PDF
  3. Miu, Lisandra; Bârză, Silviu: VaR methodology for currencies risk measurement, pp. 17-26.
    Abstract, PDF
  4. Averian, Alexandru: Component based systems testing with UML and incorporated contracts, pp. 27-34.
    Abstract, PDF
  5. DochiÅ£oiu, Åětefan: Algorithm and program to determine the order of a point on an elliptic curve, pp. 35-42.
    Abstract, PDF
  6. Tănase, Irina: Software application for activities, clients and contracts management in a life insurance company, pp. 43-48.
    Abstract, PDF
  7. Sticlaru, Gabriel: C++ classes to model financial instruments, pp. 49-56.
    Abstract, PDF
  8. Rozoveanu, Petru: The Clarke's subdifferential for vector valuated functions, pp. 57-76.
    Abstract, PDF
  9. Rozoveanu, Petru: A Perron-Frobenius theorem for nonlinear operators, pp. 77-90.
    Abstract, PDF
 
Vol II / 2006, Issue 1

Editor in chief: Ph.D. prof. Rodica Trandafir;
Prof. univ. dr. Iordan Duda, Prof. univ. dr. Grigore Albeanu, Lector dr. Ioan Rodica; Secretary: Assist. drd. Manuela Ghica

CONTENT:
  1. Rodica Trandafir: Spiru Haret - om de ştiinţă / Spiru Haret Scientist, pp. 5-8.
    Abstract, PDF
  2. Åětefan Costea: Spiru Haret, Sociologia matematică ÅŸi sociometria / Spiru Haret, Mathematical Sociology and Sociometrics, pp. 9-12.
    Abstract, PDF
  3. Gabriel Dumitriu: Asupra implementării unui simulator generic / On the Implementation of a Generic Simulator, pp. 13-22.
    Abstract, PDF
  4. Argus Adrian Dunca: O nouă tehnică de filtrare pentru simularea numerică a fluidelor turbulente / A New Filtering Technique for the Turbulent Flows' Numerical Simulation, pp. 23-30.
    Abstract, PDF
  5. Aurora Baciu: Limbaje Leontief probabiliste / Probabilistic Leontief Languages, pp. 31-34.
    Abstract, PDF
  6. Silviu Bârză: Modele întregi cu sumă constantă ÅŸi variabile cu domeniu uniform / Constant Sum Integer Models with Uniform Domain Variables, pp. 35-40.
    Abstract, PDF
  7. Antonela Gonciulea: Determinarea coeficienţilor omogenizaţi pentru o ecuaţie de tip eliptic / Homogenized Coefficients Determination for an Elliptic Equation, pp. 41-50.
    Abstract, PDF
  8. Manuela Ghica: Portofolii optime în finanÅ£e ÅŸi actuariat / Optimal Portfolios in Finance and Actuarial Science, pp. 51-58.
    Abstract, PDF
  9. Luciana Maria Morogan: Codificarea InformaÅ£iei în noile modele de calcul. Calcul bazat pe ADN ÅŸi calculul cu membrane celulare / Information Coding in the new Computational Models. DNA based Computing and Membrane Computing, pp. 59-72.
    Abstract, PDF
  10. Rodica Trandafir: Valori medii ale unor variabile aleatoare din planul euclidian E2 / Mean Values for Euclidian E2 Random Variables, pp. 73-78.
    Abstract, PDF
  11. Gabriel Sticlaru: Dezvoltarea unui sistem de tranzacţionare / The Development of a Transactional System, pp. 79-88.
    Abstract, PDF
  12. Florentina-Rodica Niculescu, Radu-Åětefan Niculescu: Extinderi ale noÅ£iunii de P-graf relativ la grafuri neorientate / P-graph Extensions for Non-directed Graphs, pp. 89-108.
    Abstract, PDF
 
Vol I / 2005, Issue 1

Editor in chief: Ph.D. prof. Rodica Trandafir;
Editors: Prof. univ. dr. Iordan Duda, Prof. univ. dr. Rodica Trandafir, Senior Lecturer, dr. Radu Nicolescu; Secretary: Lect. univ. drd. Mariana Popa

CONTENT:
  1. Aurora Baciu: Gramatici contextuale R-fuzzy / R-fuzzy contextual grammars, pp. 5-12.
    Abstract, PDF
  2. Marin Popa, Mariana Popa: InvarianÅ£i ÅŸi S-invarianÅ£i într-o PT-reÅ£ea Petri / Invariants and S-invariants in a marked PT-Petri net, pp. 13-26.
    Abstract, PDF
  3. Rodica Ioan: Utilizarea metodei perturbaţiilor la rezolvarea problemei tragerii benzilor folosind o teoremă de medie / The problem of strip drawing through a converging die using a local method, pp. 27-36.
    Abstract, PDF
  4. Lorena Tufan: H*-Algebre / H* - algebra, pp. 37-44.
    Abstract, PDF
  5. Marina Cidotă: Tehnici predictive în procesarea semnalului vorbit / Prediction techniques for speech processing, pp. 45-56.
    Abstract, PDF
  6. Gabriel Dimitriu: Asupra utilizării unor mecanisme formale în descrierea proceselor de aÅŸteptare specifice sistemelor client-server / About the utilization of formal languages in the description of the waiting processes specific to the client-server applications, pp. 57-62.
    Abstract, PDF
  7. Marin Popa, Mariana Popa: Calculul unor măsuri necesare căutării pe web / Computing some measures for WEB search, pp. 63-78.
    Abstract, PDF






 
 
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