George Pashev
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View article: A conceptual framework for multi-component summative assessment in an e-learning management system
A conceptual framework for multi-component summative assessment in an e-learning management system Open
The article presents a conceptual framework for the design, implementation, and analysis of multi-component summative assessment systems in an electronic educational environment. A universal model is proposed, based on a four-level hierarc…
View article: Tariff Responses: A Graph-Theoretic Approach with Industry Dependencies
Tariff Responses: A Graph-Theoretic Approach with Industry Dependencies Open
In response to the growing prevalence of tariffs as instruments of economic policy and strategic competition, this paper introduces a formal mathematical framework for optimizing counter-tariff strategies. We model the global trade ecosyst…
View article: Pondera: A Personalized AI–Driven Weight Loss Mobile Companion with Multidimensional Goal Fulfillment Analytics
Pondera: A Personalized AI–Driven Weight Loss Mobile Companion with Multidimensional Goal Fulfillment Analytics Open
The global obesity epidemic is a significant challenge to public health, necessitating innovative and personalized solutions. This paper presents Pondera, an innovative mobile app revolutionizing weight management by integrating Artificial…
View article: Assessing the Digital Level in Educational Institutions: Formal Model and Software Prototype
Assessing the Digital Level in Educational Institutions: Formal Model and Software Prototype Open
The increasingly widespread use of software solutions to digitize training and administrative processes in educational institutions of all levels increases the interest in offering models and software tools for measuring the level of digit…
View article: Towards Automated Evaluation of the Quality of Educational Services in HEIs
Towards Automated Evaluation of the Quality of Educational Services in HEIs Open
The provision of educational services with high quality is a matter of concern to all stakeholders in higher education (academic staff, administration, students, etc.). According to many researchers, student satisfaction is an indicator of…
View article: DOMAIN SPECIFIC AUTOMATED ESSAY SCORING USING CLOUD BASED NLP API
DOMAIN SPECIFIC AUTOMATED ESSAY SCORING USING CLOUD BASED NLP API Open
The paper presents a methodology and an application framework (PUAnalyzeThis) that makes use of MeaningCloud API to automatically extract entities, concepts, relations, etc. and calculate scores and grades based on their relevance to a pre…
View article: Personalized Healthy Anti-COVID Menu Generator Chatbot Based on Prolog
Personalized Healthy Anti-COVID Menu Generator Chatbot Based on Prolog Open
It is a healthy diet that creates conditions for human life, ensuring the optimal functioning of all processes in the body. Of course, a healthy diet cannot be a protection against the penetration of infection into the body, but it is the …
View article: An Adaptive E-learning System for Teaching Mobile Applications
An Adaptive E-learning System for Teaching Mobile Applications Open
Support for various aspects of personalization and adaptation of the reviewed tools is not at the desired level of abstraction - very often depends on the specific way in which it is assumed that a learning object will be combined, to buil…
View article: Facebook Integrated Chatbot for Bulgarian Language Aiding Learning Content Delivery
Facebook Integrated Chatbot for Bulgarian Language Aiding Learning Content Delivery Open
The paper presents a chatbot oriented linguistic approach and a software prototype which addresses the need of delivering learning content based on queries in Bulgarian language. Two distinct database query generation approaches are presen…
View article: Hybrid Visual Programming Language Environment for Programming Training
Hybrid Visual Programming Language Environment for Programming Training Open
The paper presents an approach to learning and an environment for working with a hybrid visual - text programming language with a special emphasis on the training for future programmers at an early stage. An overview of other visual progra…
View article: Workflow Based Prototype for Criminal Investigation in Bulgaria
Workflow Based Prototype for Criminal Investigation in Bulgaria Open
The basic workflows in the field of Criminal Investigations in Bulgaria which are incorporated in a proprietary information system are presented in this paper. Leading role in the investigation is the prosecutor, but in other countries, th…
View article: A System for Modelling of Processes for Data Accumulation and Synthesis in Higher Education
A System for Modelling of Processes for Data Accumulation and Synthesis in Higher Education Open
The paper presents a proprietary software system for Modelling of Processes for Data Accumulation and Synthesis in Higher Education, which is designed and developed to overcome the lack of tools suitable enough for work-flows manipulation …
View article: Adaptive Workplace E-Learning Model
Adaptive Workplace E-Learning Model Open
The paper presents the main concepts of an approach which can be used in a corporate environment for Adaptive education of employees. A formal model is proposed to facilitate adaptivity in terms of pursuing personal and corporate goals. So…
View article: Business Process Modelling & Execution Application in Work Education Domain
Business Process Modelling & Execution Application in Work Education Domain Open
This paper describes a workflow based approach towards work-place education. Proprietary workflow description and execution environments are used to create a certain application. In order to overcome existing difficulties and functional de…
View article: EMS – A Workflow Programming Language and Environment
EMS – A Workflow Programming Language and Environment Open
The current paper includes formal definition of the grammar of the proprietary scripting procedural language used by the proprietary EMS Workflow management Environment of Dextro Research Ltd. (DR) as an inseparable part of project metadat…
View article: Personalized Educational Paths through Self-Modifying Learning Objects
Personalized Educational Paths through Self-Modifying Learning Objects Open
The paper presents a formal model for generation of personalized learning paths. The paths consist of self-modifying learning activities suitable for the achievement of course goals. The course goals (as defined by the teacher) are a list …