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Cybernetics and Information Technologies

Volume 21 (2021): Issue 1 (March 2021)

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14 Articles
Open Access | Mar 30, 2021
New Ranking Functions for Interval-Valued Intuitionistic Fuzzy Sets and Their Application to Multi-Criteria Decision-Making Problem
Melda Kokoç

Melda Kokoç

Education and External Relations Coordination Office, Gazi UniversityAnkara, Turkey
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Kokoç, Melda
 and 
Süleyman Ersöz

Süleyman Ersöz

Kırıkkale University, Department of Industrial EngineeringKırıkkale, Turkey
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Ersöz, Süleyman
  
Open Access | Mar 30, 2021
The Probabilistic Risk Measure VaR as Constraint in Portfolio Optimization Problem
Todor Stoilov

Todor Stoilov

Institute of Information and Communication Technologies, Bulgarian Academy of SciencesSofia, Bulgaria
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Stoilov, Todor
, 
Krasimira Stoilova

Krasimira Stoilova

Institute of Information and Communication Technologies, Bulgarian Academy of SciencesSofia, Bulgaria
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Stoilova, Krasimira
 and 
Miroslav Vladimirov

Miroslav Vladimirov

Varna University of EconomicsVarna, Bulgaria
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Vladimirov, Miroslav
  
Open Access | Mar 30, 2021
Hierarchical Hexagon: A New Fault-Tolerant Interconnection Network for Parallel Systems
Laxminath Tripathy

Laxminath Tripathy

Department of Computer Science and Engineering, ITER, Siksha ‘O’ Anusandhan UniversityBhubaneswar, India
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Tripathy, Laxminath
 and 
Chita Ranjan Tripathy

Chita Ranjan Tripathy

Department of Computer Science and Engineering, VSS University of TechnologyBurla, India
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Tripathy, Chita Ranjan
  
Open Access | Mar 30, 2021
A New Symmetric Digital Video Encryption Model
Krasimir Kordov

Krasimir Kordov

Konstantin Preslavski University of ShumenShumen, Bulgaria
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Kordov, Krasimir
 and 
Georgi Dimitrov

Georgi Dimitrov

Konstantin Preslavski University of ShumenShumen, Bulgaria
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Dimitrov, Georgi
  
Open Access | Mar 30, 2021
Virtual Machine Placement Using Energy Efficient Particle Swarm Optimization in Cloud Datacenter
R. B. Madhumala

R. B. Madhumala

Department of Computer Science Engineering, JAIN (Deemed to be University)Bangalore, India
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Madhumala, R. B.
, 
Harshvardhan Tiwari

Harshvardhan Tiwari

CIIRC, Jyothy Institute of TechnologyBangalore, India
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Tiwari, Harshvardhan
 and 
Verma C. Devaraj

Verma C. Devaraj

Department of Computer Science Engineering, JAIN (Deemed to be University)Bangalore, India
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Devaraj, Verma C.
  
Open Access | Mar 30, 2021
A Study on Human Learning Ability during Classification of Motion and Colour Visual Cues and Their Combination
Albena Tchamova

Albena Tchamova

Institute of Information and Communication Technologies, Bulgarian Academy of SciencesSofia, Bulgaria
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Tchamova, Albena
, 
Jean Dezert

Jean Dezert

The French Aerospace LabPalaiseau, France
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Dezert, Jean
, 
Nadejda Bocheva

Nadejda Bocheva

Institute of Neurobiology, Bulgarian Acad. of Sci.Sofia, Bulgaria
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Bocheva, Nadejda
, 
Pavlina Konstantinova

Pavlina Konstantinova

European Polytechnical University PernikBulgaria
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Konstantinova, Pavlina
, 
Bilyana Genova

Bilyana Genova

Institute of Neurobiology, Bulgarian Acad. of Sci.Sofia, Bulgaria
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Genova, Bilyana
 and 
Miroslava Stefanova

Miroslava Stefanova

Institute of Neurobiology, Bulgarian Acad. of Sci.Sofia, Bulgaria
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Stefanova, Miroslava
  
Open Access | Mar 30, 2021
Relating Student Engagement Indicators to Academic Performance Using Multiple Correspondence Analysis
Ropo E. Ogunsakin

Ropo E. Ogunsakin

ICT and Society Research Group, South Africa Luban Workshop, Durban University of TechnologyDurban, South Africa
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Ogunsakin, Ropo E.
, 
Sibusiso Moyo

Sibusiso Moyo

ICT and Society Research Group, South Africa Luban Workshop, Durban University of TechnologyDurban, South Africa
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Moyo, Sibusiso
, 
Oludayo,

Oludayo,

ICT and Society Research Group, South Africa Luban Workshop, Durban University of TechnologyDurban, South Africa
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Oludayo,
, 
O. Olugbara

O. Olugbara

ICT and Society Research Group, South Africa Luban Workshop, Durban University of TechnologyDurban, South Africa
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Olugbara, O.
 and 
Connie Israel

Connie Israel

ICT and Society Research Group, South Africa Luban Workshop, Durban University of TechnologyDurban, South Africa
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Israel, Connie
  
Open Access | Mar 30, 2021
An Effective e-Commerce Recommender System Based on Trust and Semantic Information
Qusai Y. Shambour

Qusai Y. Shambour

Department of Software Engineering, Faculty of Information Technology, Al-Ahliyya Amman UniversityAmman, Jordan
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Shambour, Qusai Y.
, 
Nidal M. Turab

Nidal M. Turab

Department of Networks and Information Security, Faculty of Information Technology, Al-Ahliyya Amman UniversityAmman, Jordan
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Turab, Nidal M.
 and 
Omar Y. Adwan

Omar Y. Adwan

  • Department of Computer Science, Faculty of Information Technology, Al-Ahliyya Amman UniversityAmman, Jordan
  • Department of Computer Information Systems, The University of JordanAmman, Jordan
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Adwan, Omar Y.
  
Open Access | Mar 30, 2021
Design of a Multifunctional Operating Station Based on Augmented Reality (MOSAR)
Veronika Ivanova

Veronika Ivanova

Institute of Robotics, Bulgarian Academy of SciencesSofia, Bulgaria
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Ivanova, Veronika
, 
Plamen Vasilev

Plamen Vasilev

Industrial Automation University of Chemical Technologies and MetallurgySofia, Bulgaria
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Vasilev, Plamen
, 
Ivilin Stoianov

Ivilin Stoianov

Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle RicerchePadova, Italy
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Stoianov, Ivilin
, 
Rumen Andreev

Rumen Andreev

Institute of Information and Communication Technologies, Bulgarian Academy of SciencesSofia, Bulgaria
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Andreev, Rumen
 and 
Ani Boneva

Ani Boneva

Institute of Information and Communication Technologies, Bulgarian Academy of SciencesSofia, Bulgaria
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Boneva, Ani
  
Open Access | Mar 30, 2021
Contracting VoIP Packet Payload Down to Zero
Mosleh M. Abualhaj

Mosleh M. Abualhaj

Department of Networks and Information Security, Faculty of Information Technology, Al-Ahliyya Amman UniversityAmman, Jordan
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Abualhaj, Mosleh M.
, 
Mayy M. Al-Tahrawi

Mayy M. Al-Tahrawi

Department of Computer Science, Faculty of Information Technology, Al-Ahliyya Amman UniversityAmman, Jordan
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Al-Tahrawi, Mayy M.
 and 
Mahran Al-Zyoud

Mahran Al-Zyoud

Department of Networks and Information Security, Faculty of Information Technology, Al-Ahliyya Amman UniversityAmman, Jordan
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Al-Zyoud, Mahran
  
Open Access | Mar 30, 2021
Systems Engineering Information Model of Vehicle-Pedestrian Collisions
Hristo Uzunov

Hristo Uzunov

Technical University of Sofia, Faculty and College – SlivenBulgaria
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Uzunov, Hristo
, 
Plamen Matzinski

Plamen Matzinski

Technical University of Sofia, Faculty and College – SlivenBulgaria
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Matzinski, Plamen
, 
Silvia Dechkova

Silvia Dechkova

Technical University of Sofia, Faculty and College – SlivenBulgaria
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Dechkova, Silvia
 and 
Nikolay Dimov

Nikolay Dimov

Technical University of Sofia, Faculty and College – SlivenBulgaria
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Dimov, Nikolay
  
Open Access | Mar 30, 2021
Errata to the paper “All-words Word Sense Disambiguation for Russian Using Automatically Generated Text Collection” (Published in Vol. 20, No 4, pp. 90-107, DOI: 10.2478/cait-2020-0049)
Open Access | Mar 30, 2021
Erratum to the paper “Linguistic vs Encyclopaedic Knowledge. Classification of MWEs from Wikipedia Articles” (Published in Vol. 20, No 4, pp. 125-140, DOI: 10.2478/cait-2020-0051)
Open Access | Mar 30, 2021
Erratum to the paper “New Uniform Subregular Parallelisms of PG (3, 4) Invariant under an Automorphism of Order 2” (Published in Vol. 20, 2020, No 6, pp. 18-27, DOI: 10.2478/cait-2020-0057)

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English
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Journal Subjects:
Computer Sciences, Information Technology
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