This paper deals with comparative analysis of two different types of objective techniques for criteria weighing: Entropy and CRITIC and two MCDM methods: MOORA and SAW on example of an air conditioner selection. We used six variants for calculation of normalized performance ratings. Results showed that the decision of the best air conditioner was basically independent of the MCDM method used, despite the applied technique for determination of criteria weights. Complete ranking within all of the combinations of methods and techniques with diverse ratio calculation variants showed that the best ranked air conditioner was A7, while the worst ones were A5 and A9. Significant positive correlation was obtained for almost all the pairs of variants in all the combinations except for the MOORA-CRITIC combination with SAW-Entropy combination to have the highest correlations between variants (p < 0.01).
This paper aims to introduce the concept of data analysis which could easily be implemented by anybody involved in the subject matter with basic IT knowledge and skills. The paper is divided into two parts, the first of which presents an overview of related research from two points of view: (1) publications which refer to the analysis, or the overall use of open data from the tourism domain and (2) publications which use business intelligence tools to analyse tourism data. Results indicate that there is a significant number of publications but none of them combines the two issues in the field of tourism (open data and business intelligence). The second part refers to the possibilities of using Power BI, the business intelligence tool for analysing available open data about tourism in Serbia.
The development of technology in the last few decades has led to major changes in almost all areas of the economy. This is mostly related to production and service delivery processes, but also to other accompanying activities, without which the functioning of business systems is unthinkable today. The Internet is probably one of the most important representatives of this development and a factor without which the modern world can hardly be imagined. Its role is also highlighted in the field of marketing with the emergence of a new concept known as Internet marketing. By linking online marketing and manifestations/events, as one of the most important factors in tourism activity, the basis for satisfying the demands that modern age implies in the process of achieving quality relationships with the target market is created. Events and the way of their presentation, as the basis of marketing communications, with their specificities contribute to the uniqueness of a particular area by creating its image. The aim of this paper was to analyze the degree of the use of the Internet in the marketing activities of local tourist organizations as well as the tourist events of the Moravica administrative district, with particular reference to the use of websites and four most popular social networks.
The goal of this paper is to provide a comprehensive overview of application of multi-criteria decision making (MCDM) methods in papers from the field of ecotourism and sustainable tourism. A search has been done of the relevant terms in titles, abstracts and keywords found in papers from 26 prominent journals from the field of tourism belonging in Web of Science (WoS) Clarivate Analytics. It has been established which MCDM methods were used and who are the most common authors of such papers. A keyword frequency analysis was also performed. It is established there are 39 papers in the field of ecotourism and sustainable tourism where MCDM methods were applied whereby all were published after the year 2000, as well as that their number is constantly increasing.
This paper describes and evaluates an application which provides the simulation of the functioning of the central processor (CPU). The simulation provides visual representation of anything occurring both at the level of arithmetic logic units (ALU) for different arithmetic and logical operations and at the level of bits. The evaluation of the application of this simulator in teaching was also conducted. The sample included 95 students from the Faculty of Technical Sciences in Čačak, study program - Information Technologies. The method with parallel groups was applied in this research. One group of students mastered the contents of the ALU in traditional way of teaching, while the other group used the simulator. Their advancement in ALU knowledge was measured by knowledge test specially designed for this research. In the end, the students of both groups evaluated the use of the simulator in teaching. The results of the research showed that students who studied with simulators were more motivated and achieved better results than students who learned the same content in a traditional way.
U radu su prikazani veb-bazirani servisi i alati koji se koriste u programerskoj praksi a mogu ih koristiti nastavnici i učenici prilikom savladavanja gradiva koje se odnosi na programiranje a predviđeno je programima nastave i učenja za predmet Informatika i računarstvo u osmom razredu osnovne škole, odnosno Računarstvo i informatika u drugoj godini gimnazije. Rad ima za cilj da uputi nastavnike u postojanje datih alata i popularizuje njihovu upotrebu i prelazak na novi koncept nastave kada je reč o programiranju, shodno prednostima koje dati alati imaju u odnosu na svoje desktop verzije sa kojima su nastavnici upoznati kroz udžbenike svih izdavačkih kuća dostupne na domaćem tržištu.
The paper presents research conducted in order to examine the differences in students' propensity to cheat on exams according to their area of study, year of study and country of study. One of specific goals was to determinate the most dominant reason for cheating. The sample included 210 students (of which 90 freshmen and 120 senior students) from two universities in Serbia (University of Kragujevac and University of Belgrade) (N = 168) and University of Applied Sciences in Austria (N = 42). The sample consisted of students whose studies were in the following scientific areas: electrical and computer engineering (N = 64), management and business (N = 56), production technology and organization (N = 42) and biological sciences (N = 48). Results indicate that, in general, students cheat relatively rarely. Cheating mostly occurs when students are helping their colleagues. On the other hand, cheating is least likely to happen with means of illicit materials. Specific results show that biology students use illicit resources less when compared with other groups of students; that production technology and organization students provide help to other students less than electrical and computer engineering students and management and business students and that Serbian students are more likely to provide help to others compared to Austrian students. However, there are limitations to these conclusions. First-year students have also been found to be less likely to cheat (use illicit resources and provide help to others) than older students.
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