Dealing with Probability Statistics Prediction on Sporting Events

Problem setting. Sport becomes an important part of modern life. Nowadays there are many international sports competitions and events, where unrecognized states take part. In connect with this, such cases have an impact on society and social media. Consequently, there is a question of the impact of sports diplomacy on recognition of states and its importance on this procedure. Target research. To identify the impact of sport diplomacy on the recognition of newly created states. Analysis of recent researches and publications. The object of research was recognition in international law of a large number of both domestic and foreign scientists, among which, Telipko V.E., Ovcharenko A.S., Feldman D.І., Janatayev H.M., whose doctrinal developments provide an important theoretical basis for studying the issue of the impact of sports diplomacy on recognition of states. Article’s main body. Forms of recognition of states were identified in the article. It was determined that there are three form of recognition: de jure, de facto and ad hoc. Definition of sports diplomacy was given. It was proposed that in ad hoc recognition as the representative of the state should be considered not only a representative of the Government, but also other persons with official powers given by authorities. Cases of using sports diplomacy were analyzed. Usually a platform of sports diplomacy is different sport events where unrecognized states take part. The examples of such events are participation of Kosovo Republic in Olimpic Games in Brazil, Kosovo’s entry into FIFA, the football match between Kosovo Republic and Ukraine and others. In this way, sports representatives of the states enter into the negotiations and establish relationships between the states, which don’t recognize each other. It was found that sports diplomacy can be a way of ad hoc recognition. Conclusions and prospects of development. Sports diplomacy is a type of diplomacy, which purpose is to provide state foreign policy in the field of sports. However, sports diplomacy doesn’t cause de jure or de facto recognition of states; it can influence on recognition of the states by helping to build relationships between them.

An efficient framework is developed by deep neural networks (DNNs) and artificial neural network (ANNs) for predicting the outcomes of football matches. A dataset is used with the rankings, team performances, all previous international football match results and so on. ANN and DNN are used to explore and process the sporting data to generate prediction value. Datasets are divided into sections for training, validating and testing. By using the proposed DNN architecture, corresponding model performed excellently on predicting the FIFA world cup 2018 matches. This model had predicted 63.3% matches accurately. However, this accuracy can be increased with proper datasets and more accurate information of the teams. The outcome of this hypothesis can be derived that deep learning may be used for successfully predicting the outcomes of football matches or any other sporting events. For more accurate performance of the prediction, prior and more information about each team, player and match is desirable.

The issue of safety at sports mega-events, with a particular focus on football matches, has emerged as a pivotal concern for policymakers, event organisers and international governing bodies. Whilst such events are held to symbolise unity and cultural exchange, they also present substantial legal, economic and organisational challenges. The present study investigates the multifaceted issue of stadium safety by examining its legal frameworks, economic ramifications, and evolving technological solutions, employing football as the primary case study. The present study adopts a multidisciplinary methodology. A comprehensive review of the extant literature, encompassing academic studies, regulatory guidelines and institutional reports, established the theoretical foundation. A review of historical case studies was conducted to extract lessons from past failures in crowd management and emergency response. The case studies included the Hillsborough, Heysel, and Luzhniki disasters. Comparative and economic analyses were employed to evaluate safety investments in various regions and contexts, focusing on FIFA World Cup evaluations and national strategies, including those of the Latvian Football Federation. Additionally, the contributions of international legal instruments, including the Saint-Denis Convention, the Balance S4 Initiative and the Green Guide, to safety, security and services in stadium environments were evaluated. Finally, technological projects such as eVACUATE were analysed to determine their innovative contributions to predictive crowd modelling and emergency coordination. The primary objective of this research endeavour is to investigate the potential for aligning legal regulations, economic considerations, and technological innovation to engender safer and more inclusive sports environments. A fundamental concept in the analysis is the development of a "security culture", encompassing awareness, collaboration, adaptability, technological integration, and cultural sensitivity. The study emphasises the necessity of embedding this culture into stadium management, thereby highlighting the importance of implementing both preventive measures and rapid responsiveness to evolving risks, including the emergence of threats such as cyberattacks. The findings show that, although safety investments require significant financial commitments, the long-term costs of neglect, measured in terms of human lives lost, reputational damage and legal liabilities, far exceed the costs of prevention. Lessons from past tragedies emphasise the importance of consistently enforcing safety frameworks and integrating best practices into national policies. Furthermore, technological advances in crowd monitoring, evacuation planning and data-driven decision-making offer the opportunity to enhance existing protocols. In conclusion, the study argues that achieving sustainable safety at major sporting events requires international co-operation, standardised legal frameworks and balanced economic strategies. Future policy should focus on reducing disparities between countries with different resources, promoting a global culture of safety and investing in innovation driven by research. Such measures will ensure that sporting events remain secure, inclusive and celebratory occasions.

Social surveys and observations show a significant lag in the popularity of the sports industry in Russia from European countries and the United States, as well as the insufficient influence of marketing on the promotion of sports services, which increases the urgency of this problem. The purpose of the study is to consider the features of the digital transformation of sports marketing and identify ways to use it to increase the activity of consumers of services of sports events and facilities. The basis of the research methodology is an interdisciplinary approach for complementary analysis of a complex set of economic, socio-demographic, psychological, information technology and other factors. The empirical basis of the study was the materials of selective observations and surveys of fans and spectators of sports events, processed by the methods of grouping, comparative analysis, and expert evaluation. The main result of the study is the substantiation of the need to overcome Russia’s lag behind other countries in the development of the sports industry, visiting sports events and venues, which requires a change in the relationship between the management of sports clubs, associations and audiences, and wider use of the possibilities of digital information and communication technologies. The article, as elements of scientific novelty, shows the dynamics of the ratio of various sources of news information and changes in the consumer behavior of target audiences of viewers, generalizes empirical material on the use of social networks as a communication channel and substantiates the need for their activation as a marketing tool, as well as expanding the use of methodological approaches “analytics of the digital footprint”, “digital portrait” of consumers of sports services to select the most effective management solutions to increase the attendance of sports facilities and events. The practical significance of the study lies in the fact that the digital transformation of the sports industry causes significant changes in the relationship with the target audiences of fans, spectators, fans aimed at enhancing visits to sports events and facilities, as well as increasing their attention to broadcasts on smartphones, tablets, mobile phones, personal computers. A special role is played by social networks integrated with mobile applications as marketing tools that use the discussion of news information, the exchange of opinions and emotions, the demonstration of photo and video materials based on the results of sports events, polls of fans, spectators, fans to promote the services of sports events, evaluate their effectiveness. for sponsors, charity events. The article outlines the directions for the wider use of modern digital technologies, such as social networks integrated with mobile applications and online services, to improve marketing efficiency, stimulate users’ interest in watching sports events.

Crowdsourcing enables the solicitation of forecasts on a variety of prediction tasks from distributed groups of people. How to aggregate the solicited forecasts, which may vary in quality, into an accurate final prediction remains a challenging yet critical question. Studies have found that weighing expert forecasts more in aggregation can improve the accuracy of the aggregated prediction. However, this approach usually requires access to the historical performance data of the forecasters, which are often not available. In this paper, we study the problem of aggregating forecasts without having historical performance data. We propose using peer prediction methods, a family of mechanisms initially designed to truthfully elicit private information in the absence of ground truth verification, to assess the expertise of forecasters, and then using this assessment to improve forecast aggregation. We evaluate our peer-prediction-aided aggregators on a diverse collection of 14 human forecast datasets. Compared with a variety of existing aggregators, our aggregators achieve a significant and consistent improvement on aggregation accuracy measured by the Brier score and the log score. Our results reveal the effectiveness of identifying experts to improve aggregation even without historical data.

The purpose of the study: The purpose of this study was to analyze the association between xG and goals scored in soccer matches. Materials and methods: This study was quantitative, correlational, and longitudinal. 333 league matches were analyzed. The dataset was obtained from Sofascore, a website that offers statistics and results from various sporting events. The hypothesis was put forward that there is a positive correlation between xG and goals scored. The sample consisted of 333 official matches from international competitions, including the 2013/24 Champions League, the 2024 Copa Libertadores, Euro 2024, and the 2024 Copa América. These tournaments were selected due to their significant international relevance. Results: The results of this research confirm the validity of using xG as an indicator for analyzing a team's offensive performance, although its predictive capacity tends to vary depending on the context or competition. In clubs, players have more continuity because they train together, which makes it easier to establish a playing pattern, so this may be a reason for higher xG compared to national team tournaments. Conclusions: The results obtained in this study confirm the relationship between xG and goals scored in football matches, thus establishing it as a valid indicator for measuring offensive performance in football. It was found that in club tournaments, the amount of association, in the Copa Libertadores (r = 0.537) having the best association between the variables, in the Champions League the association was lower (r = 0.403). Meanwhile, in national team tournaments, the values ​​for the Copa América and Euro were (r = 0.475) and (r = 0.479), respectively, where some similarity can be observed in the association of variables, which is attributed to the poor group cohesion and poor tactical fit of the national teams compared to the clubs.

The basis of modern company management is the marketing concept, the customer-oriented management and strategic planning, the managerial decisions matching the market opportunities, challenges, and the company objectives and opportunities. Marketing research is the input for corporate strategy, while on the other hand elaboration of the marketing strategy is based on the objectives of corporate strategy. The sports developments that started at the beginning of the 20th.century have been of high relevance, but still incomparable to the current measure of development. Generally, the countries of Western-Europe, due to their better economic performance, have achieved a higher level of development far earlier than the post-communist countries. The political and economic change of the 90s in the 20th century, later the EU enlargement opened a range of new economic opportunities also for our region. The sports marketing, similarly to marketing activity in other sectors and fields, has made relevant progress. The obsolete sports facilities were replaced by modern and well-equipped facilities. The customers were offered a wide variety of sports equipment and sports services. The objective of the research is to examine the services and products of a football club in the Slovak Premier League (Fortuna League) in terms of consumerism, as well as to summarize the consumer experience and opinion, emphasizing the marketing aspect. We formulated two hypotheses in this study. Chi-square test of independence was used for testing our hypotheses, with the help of which we examined several variables at the same time – and also the joint distribution of several variables. The results show a significant relationship between the age groups and the consumer habit of the customers at football matches. The outcome of the study also indicates that neither the age nor the distance from the sports event can influence the fans of the football club to attend the sporting event. Our results could be used by Slovak football clubs to make their marketing more precise and more efficient. Keywords: consumer behavior, generations, marketing, Slovakia, sports marketing.

No. 25704. European convention on spectator violence and misbehaviour at sports events and in particular at football matches. Concluded at Strasbourg on 19 August 1985

To review whether watching football increases the population cardiac event risk in New South Wales. Analysis of hospital admissions for acute myocardial infarction, other cardiovascular disease, and other acute injuries at the time of two stressful sporting events in NSW in 2005: the Sydney Swans playing in the Australian Football League (AFL) Grand Final, and the Socceroos' penalty shoot-out in their World Cup qualifying match against Uruguay. There were no increases in any of the studied admission events at the time of, or in the days immediately following, these football matches. Australians appear to be resistant to acute stressors associated with watching sporting events, possibly due to higher rates of motivational deficiency disorder (MoDeD) than in European populations.

No. 25704. European Convention on spectator violence and misbehaviour at sports events and in particular at football matches. Concluded at Strasbourg on 19 August 1985

This book is the first academic contribution that deals with international taxation of income sources from sports events.Using an interdisciplinary approach, with in-depth analysis of both sports law and international tax law, it is notably the first academic work to conduct a thorough analysis in the fields of international taxation of eSports, sports betting as well as illegal/unlawful income sources that may be obtained in relation to a sporting event, such as kickback payments. After describing the general methodologies of income tax and VAT from an international standpoint, defining key terms such as ‘eSports’ and ‘bidding procedure’, the book examines in detail the taxation of the services that are rendered and the goods that are sold, thereby the income obtained, in relation to an international sports event from both income tax and VAT perspectives. Also analysed are government funding in the sports sector, along with its taxation modalities, as well as specific tax exemption regulations enacted for the purposes of mega sporting events. Highlighting the absence of an acceptable level of certainty in the field of taxation of international sports events, the work makes pertinent suggestions as to the future of international sporting event taxation law.With international appeal, this comprehensive book constitutes essential reading for tax and sports law scholars.

Automation of machine fault diagnosis is approached using an expert network which captures human expertise in symbolic form and is refined using historical performance data. A development environment for expert networks which draws from knowledge implicit in historical data to build and refine the expert network dynamically is presented. The testbed for the design of this development environment is fault diagnosis for gas chromatographs used in detecting contaminants in soil samples. The expert knowledge capture procedure for this testbed problem and its implementation in the G2 commercial expert system package were presented at AeroSense '95. The development environment for the fault diagnosis system includes several data-assisted methods which complement the expert knowledge embedded in the expert network. The first module presented, NetMaker, automatically constructs the network in G2 from an ASCH knowledge table file. NetMedic, the second module, is a data- assisted method which is used to confirm, refine, and augment expert knowledge in order to make the knowledge table more accurate. These tools form the foundation of the expert network development environment. The basis of the expert networks developed for machine fault diagnosis is the knowledge table, a matrix of signature symptoms and machine faults related by linguistic qualifiers. The knowledge table undergoes frequent revision due to refinements from the experts, data-enhanced knowledge from NetMedic, and improved symptom extraction algorithms. NetMaker satisfies the need to easily revise the knowledge tables and incorporate them seamlessly into the G2 expert network environment. NetMedic is used to improve machine fault diagnosis by suggesting alterations to the physical architecture of the knowledge table and the associated expert network, including several non-trainable parameters. This utility discovers relationships in the sample data using statistics from historical data. The experts may then incorporate new relationships in the expert knowledge as well as confirm existing knowledge. This approach preserves the ability to retrieve the expert knowledge from the modified network.© (1996) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Occupational exposure assessment is important in preventing occupational coal worker’s diseases. Methods have been proposed to assess compliance with exposure limits which aim to protect workers from developing diseases. A Bayesian framework with informative prior distribution obtained from historical or expert judgements has been highly recommended for compliance testing. The compliance testing is assessed against the occupational exposure limits (OEL) and categorization of the exposure, ranging from very highly controlled to very poorly controlled exposure groups. This study used a Bayesian framework from historical and expert elicitation data to compare the posterior probabilities of the 95th percentile (P95) of the coal dust exposures to improve compliance assessment and decision-making. A total of 10 job titles were included in this study. Bayesian framework with Markov chain Monte Carlo (MCMC) simulation was used to draw a full posterior probability of finding a job title to an exposure category. A modified IDEA (“Investigate”, “Discuss”, “Estimate”, and “Aggregate”) technique was used to conduct expert elicitation. The experts were asked to give their subjective probabilities of finding coal dust exposure of a job title in each of the exposure categories. Sensitivity analysis was done for parameter space to check for misclassification of exposures. There were more than 98% probabilities of the P95 exposure being found in the poorly controlled exposure group when using expert judgments. Historical data and non-informative prior tend to show a lower probability of finding the P95 in higher exposure categories in some titles unlike expert judgments. Expert judgements tend to show some similarity in findings with historical data. We recommend the use of expert judgements in occupational risk assessment as prior information before a decision is made on current exposure when historical data are unavailable or scarce.

This study used the Angoff and Hofstee standard-setting methods to derive minimum passing scores for six advanced cardiac life support (ACLS) procedures. An expert panel provided item-based (Angoff) and group-based (Hofstee) judgments about six ACLS performance checklists on two occasions separated by ten weeks. Interrater reliabilities and test-retest reliability (stability) of the judgments were calculated. Derived ACLS passing standards are compared to historical ACLS performance data from two groups of ACLS-trained internal medicine residents. Both the Angoff and Hofstee standard-setting methods produced reliable and stable data. Hofstee minimum passing scores (MPSs) were uniformly more stringent than Angoff MPSs. Interpretation of historical ACLS performance data from medical residents shows the MPSs derived in this study would yield higher-than-expected failure rates. Systematic standard setting for ACLS procedures is a necessary step toward the creation of mastery learning educational programs.

Sirs: Takotsubo cardiomyopathy (TTC) was first described by Sato et al. [1] in 1990. According to the clinical features, TTC usually affects postmenopausal women and is preceded by a psychical or physical stress. Characteristics of TTC contain ST-segment elevation or T wave inversion in ECG, modest biomarker release (troponin, CK, CK-MB) and almost always complete wall-motion resolution. However, the clinical spectrum of the TTC patients could be heterogeneous and occurs extremely rarely in the male population [2]. Here we present a case on a 56-year-old male with no past cardiovascular history who was admitted to the emergency room due to sudden chest pain and dyspnoea. Symptoms followed an acute emotional stress event caused by the defeat of his favorite soccer team, he watched at the fan zone during the Euro 2012 cup. Initial ECG revealed sinus rhythm of 76 bpm, RBBB with negative T waves in V3–V6 and heart rate-corrected QT interval (QTc) was 447 ms. Blood pressure was 145/85 mmHg, troponin I level of 0.21 ng/dl and elevated BNP (243 pg/ml). With subsequent diagnosis of acute coronary syndrome, the patient was referred for urgent coronary angiography, which documented no coronary artery disease (Fig. 1a top). Ventriculography revealed an apical ballooning pattern with contrast retention in the apex (Fig. 1a lower). Bedside echocardiogram revealed akinesis of apical and midventricular segments of left ventricle with ejection fraction (LVEF) of 30 % and diminished average global longitudinal peak systolic strain (GLPS −10.3 %) (Fig. 1b). Cardiac magnetic resonance T2-weighted sequence did not record any pathological regional increase of the myocardial signal intensity (Fig. 1c); delayed postcontrast hyperenhancement was absent, consistent with viable myocardium (Fig. 1D). Four days later an ECG showed deep negative T waves in V3–V6, II, III, aVF. The patient was initially treated for STEMI and received β-blockers, aspirin and ACE inhibitor after the final diagnosis had been made. The patient’s recovery was uneventful and the patient was discharged after 5-day hospitalization. Fig. 1 Left and right coronary artery (a top), cardiac ventriculography at diastole at systole (a lower), left ventricular average global longitudinal peak systolic strain (GLPS) at acute phase (b), cardiac magnetic resonance T2-weighted sequence (c), cardiac ... Three weeks later echocardiography recorded no signs of left ventricle apical ballooning with RBBB wall motion pattern, estimated LVEF of 65 % and GLPS improvement to −14, 9 % (Fig. 1e). It has been proved that great and important sport events such as the European Championships are associated with physical stress and emotional strain especially after a favorite team’s loss [3]. Incidences of sudden cardiac death or other cardiovascular events are suggested to be increased during an important football match due to increased sympathetic tone and catecholamine levels. Interestingly, the impact of adrenergic stimulation increasing the risk of cardiovascular events may persist for several days after the game [4]. Stressful events and elevated catecholamine plasma levels in the acute course of TTC indicate a possible involvement of the sympathetic nervous system in this cardiomyopathy as well [5]. A minor size of the LV and hormonal disruption in the female subset may play a key-role in the pathology of TTC [6]. The small LV size observed in women could potentially predispose the LV-outflow tract obstruction raising the intraventricular pressure gradient and an oxygen mismatch in the region of the apex. The studies on animals have shown the important protective roles of estrogen in myocardial damage including through stimulating transcription of cardioprotective substances such as atrial natriuretic peptide [7]. Among the male population TTC, however, is triggered more often by physical stress [8]. Therefore, we present a particular case of a man with the TTC-event after participating in football match at the Fan Zone Euro 2012 Cup in the Host City of Gdansk, Poland. Bill Shankly, the former F.C. Liverpool manager, could be right in saying: “Some people believe football is a matter of life and death… I can assure you it is much, much more important than that.”