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The purpose of the paper is to analyze the ventricular tachycardia by soft computing. Ventricular tachycardia is a type of regular and fast heart rate which arises from improper electrical activity in the ventricles of the heart.

In this study, a soft computing approach was applied for the ventricular tachycardia detection. The soft computing was used to detect which factors are the most important for the ventricular tachycardia.

Three factors were used: brain natriuretic peptide, troponin I which is a part of the troponin complex and C-reactive protein which is an annular (ring-shaped), pentameric protein found in blood plasma.

It was found that troponin I has the most influence on the ventricular tachycardia prediction.

This study made an advance over previous work by providing a modified model for measuring the competitiveness of tourism destinations based on competitive performance from a stakeholder perspective. Furthermore, this paper aims to evaluate the sources of relative strengths and weaknesses perceived of a destination.

This study uses a quantitative approach to seek opinions of 135 tourism stakeholders. Univariate and bivariate statistical analyses were used to describe the profile of the respondents, quantify the main findings and test the proposed hypotheses.

The results highlight the importance of safety in determining the attractiveness of a destination and its significance for the competitiveness of a destination. The strongest indicator of competitiveness is “Core resources and attractions,” while the weakest indicator is “Destination management.” Also, employees in public institutions and in the tourism industry in general have different opinions about competitive tourism destinations for most dimensions.

Despite the fact that the findings do not consider the demand side, which has a major impact on the destination, they minimize the research gap and contribute to the existing literature review.

The results are of particular value to stakeholders and destination management responsible for strengthening the competitiveness of tourism destinations.

The research progressed over previous studies by developing and empirically testing a modified conceptual model for measuring destination competitiveness from a supply-side perspective and recommending improvements for the emerging tourism destinations.

利益相关者对竞争性旅游目的地的看法：来自塞尔维亚的经验证据

本研究提供了一个修正模型, 用于从利益相关者的角度基于竞争绩效来衡量旅游目的地的竞争力, 从而比以前的工作有所进展。此外, 它旨在评估目的地感知的相对优势和劣势的来源。

本研究采用定量分析法征求了135 名旅游业利益相关者的意见。采用单变量和双变量统计分析方法对受访者的概况进行描述, 量化主要研究结果并检验所提出的假设。

结果强调了安全在决定目的地吸引力方面及其对目的地竞争力的重要性。竞争力最强的指标是“核心资源和景点”, 最弱的指标是“目的地管理”。 此外, 公共机构和旅游业的从业人员对竞争性旅游目的地在大多数方面的看法普遍不同。

尽管研究结果没有考虑对目的地有重大影响的需求方, 但它们最大限度地缩小了研究差距并对现有的研究综述有所帮助。

研究结果对于利益相关者和旅游目的地管理层加强旅游目的地的竞争力具有特别价值。

相较于以往的研究而言, 该研究的进展在于形成和实证检验一个修正的概念模型, 从供应方的角度衡量目的地竞争力, 并为新兴旅游目的地的竞争地位提出改进建议。

Las percepciones de las partes interesadas del destino turístico competitivo: las pruebas empíricas de Serbia

Este estudio avanzó sobre el anterior con proporcionar un modelo modificado para medir la competitividad de los destinos turísticos desde la perspectiva de las partes interesadas.  Además, el objetivo es evaluar los fuentes de las fuerzas y debilidades relativas, percibidas de un destino. 

Este estudio usa el enfoque cuantitativo para buscar opiniones de 135 actores del turísmo. Se utilizaron análisis estadísticos univariados y bivariados para describir el perfíl de encuestados, para cuantificar los resultados principales y para comprobar la hipótesis propuesta. 

Los resultados destacan la importancia de la seguridad para determinar el atractivo de un destino y su importancia para la competitividad de un destino. El indicador de competitividad más fuerte es “Recursos y atracciones principales”, mientras el indicador más débil es “Gestión de destinos”. Empleados en las instituciones públicas y en turismo en general, tienen opiniones diferentes sobre el destino turístico competitivo en la mayoría da las dimensiones.

A pesar de que los resultados no consideran el lado de la demanda, que tienen un mayor impacto en el destino, minimizan la brecha de la investigación y contribuyen a la revisión de literatura existente. 

Los resultados tienen un valor práctico para las partes interesadas y para la gestión del destino responsable de fortalecer la competitividad del destino turístico. 

Esta investigación progresó sobre los estudios anteriores desarrollando y empíricamente probando un modelo conceptual modificado para medir la competitividad de los destinos desde la perspectiva de la oferta, y las recomendaciones para los progresos competitivos de los destinos turísticos  emergentes. 

This paper aims to show the implementation in the terrestrial trunked radio (TETRA)-based sensor network. The publicly available data show that, in Serbia, the annual damage caused by hailstorms in the past seven years has been estimated almost at an average level of 40m of euros. As the amount of hail was not changed, the hail suppression system of the Republic of Serbia has to be improved, both technically and organizationally, to get better efficiency and protection and to reduce the damage.

In this paper, the authors show the implementation and improvements in the modern terrestrial trunked radio (TETRA)-based sensor network, and they propose the scientific use of sensors for remote control of automatic hail suppression rocket stations.

The authors’ idea is that TETRA should be used as an operational and official telecommunicating system for hail suppression activities units. A number of sensors, connected in a network, are used to maintain a high-quality functioning of this digital radio system, managed remotely and controlled either by operators or automatically.

The presented study with a real example attempts to explain as to how the system functions and how it can improve hail suppression activities.

The purpose of this paper is to identify the common issues affecting the cultural institutions’ websites in terms of organic search visibility and to detect if there are some category specifics for the national libraries, archives and museums.

In the first phase, an online survey was conducted involving the cultural institutions of national importance, aiming to map the current state of their websites in organizational and functional terms, to collect the information about the used domains, their social media activity and the use of analytical tools to monitor the visitor behavior and online traffic. In the second phase, the cultural institutions’ websites were analyzed using the “White Hat SEO” technics of optimization on Google.

From the category perspective, the historical archives have the best Technical search engine optimization (SEO) position due to the low coding errors and fair site speed, the libraries are leading in content generation and the museums have a very good total SEO index due to their strong social media activities. Common issues are detected in the description of web images, non-existence of sitemaps and low website mobile friendliness.

The data were collected from the personnel of the national cultural institutions based on their pre-assumed knowledge and understanding of website management.

The research methodology can be used to analyze the organic visibility of any national culture on search engines.

A research gap in addressing the cultural institutions’ websites from the search engine perspective was identified and addressed within the paper.