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Evdokia N. Sotirova,Sotir Sotirov,Alexandar Dimitrov,Krassimir T. Atanassov 장전수학회 2013 Proceedings of the Jangjeon mathematical society Vol.16 No.2
Using the approach of the game method for modelling, a model of oil transformationin marine environment is constructed. It is an illustration of thepossible applications of the method.
On a modification of the global operator G_21 over generalized nets
Evdokia Sotirova 장전수학회 2006 Proceedings of the Jangjeon mathematical society Vol.9 No.1
A modification of the global operator G21 is defined. For the transition to which the operator G21 is applied a new place is introduced, at which tokens arrive, carrying information for the previous structure of the transition.
On index matrices Part 4: new operations over index matrices
Krassimir Atanassov,Evdokia Sotirova,Veselina Bureva 장전수학회 2013 Advanced Studies in Contemporary Mathematics Vol.23 No.3
In this paper eight new operations over index matrix are introduced and some of their basic properties are studied.
Taekyun Kim,Evdokia Sotirova,Anthony Shannon,Vassia Atanassova,Krassimir Atanassov,Lee-Chae Jang 한국지능시스템학회 2018 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.18 No.3
In the paper a method is proposed for evaluation of the students’ knowledge obtained in the university e-learning courses and an evaluation of the whole student class. For the assessment of the student’s solution of the respective assessment units the theory of intuitionistic fuzzy sets is used, while for the class evaluation, interval valued intuitionistic fuzzy sets is used. The obtained intuitionistic fuzzy estimations reflect the degree of each student’s good or poor performances, for each assessment unit. The interval valued intuitionistic fuzzy evaluations are based on the separate student’s evaluations. We also consider a degree of uncertainty that represents such cases wherein the student is currently unable to solve the problem. The method presented here provides the possibility for the algorithmization of the process of forming the student’s evaluations.
Anthony Shannon,Evdokia Sotirova,Maria Hristova,Taekyun Kim 장전수학회 2010 Proceedings of the Jangjeon mathematical society Vol.13 No.1
A generalized net is used to construct a model describing the process of a student’s course evaluation. The model utilizes the theory of intuitionistic fuzzy sets. The model can be used to simulate some processes, related to estimation of students’ background.
Aggregation operations over 3-dimensional extended index matrices
Velichka Traneva,Evdokia Sotirova,Vesselina Bureva,Krassimir Atanassov 장전수학회 2015 Advanced Studies in Contemporary Mathematics Vol.25 No.3
In this paper we introduce new operations over 3D-extended index matrices, which generalized dened operations over other types of index matrices.
Krassimir T. Atanassov,Evdokia N. Sotirova 장전수학회 2013 Proceedings of the Jangjeon mathematical society Vol.16 No.3
Using the approach of the Game Method for Modelling, some GMM-interpretationsof stochastical processes are described.
A GENERALIZED NET MODEL OF INFORMATION FLOW WITHIN A SCHOOL
Anthony Shannon,Boriana Miteva,EVDOKIA SOTIROVA,Krassimir Atanassov,김태균 장전수학회 2018 Advanced Studies in Contemporary Mathematics Vol.28 No.4
A generalized net is used to construct a model which describes the organization of the processes for information exchange among the different units within a school. The model can be applied for both the analysis and the optimization of the flow of information.
Jorijn Neyrinck,Eveline Seghers,Evdokia Tsakiridis 국립민속박물관 2020 International Journal of Intangible Heritage Vol.15 No.1
In the complex web of actors and processes that exists around safeguarding intangible cultural heritage (ICH), museums occupy a special place. The Intangible Cultural Heritage and Museums Project (IMP) has attempted to tackle a range of these issues, and searched for windows of opportunity that emerge where living heritage and museums meet. This paper presents an overview of the themes and issues that informed this networking initiative, and shares key insights that are of wider interest for those engaged in safeguarding ICH and in museums worldwide. IMP aimed to be an incentive to connect the safeguarding of living heritage more closely with museum work, as well as to bring about a better understanding of the questions that arise through dialogue and collaboration between the different stakeholders and perspectives. Throughout the trajectory, a ‘third space’ was uncovered and explored at the intersection between museum and ICH activities. Here, opportunities and risks in the interaction between ICH and museums are negotiated, and moulded into a mutually beneficial platform for all involved. Insights here relate to sustainable development, to ethical questions and concerns, and to the potential of learning networks.
INDEX MATRICES AND OLAP-CUBE PART 5: INDEX MATRIX OPERATIONS OVER OLAP-CUBE
VESELINA BUREVA,VELICHKA TRANEVA,EVDOKIA SOTIROVA,KRASSIMIR ATANASSOV 장전수학회 2020 Advanced Studies in Contemporary Mathematics Vol.30 No.1
The aim of On-line Analytical Processing (OLAP) is to extract knowl- edge from data warehouse. It is used to provide users with the ability to perform dynamic data analysis. The index matrices (IMs) concept has been introduced by Atanassov in 1984. The outlined approach for big data analysis using the IMs concept can be applied to both crisp and fuzzy data and can be expanded to retrieve information to other types of multi-dimensional data. The main contri- bution of the paper is that is proposed to expand the OLAP-cube data analysis by implementing some of the index matrix operations.