scholarly journals Learning the Value of Teamwork to Form Efficient Teams

2020 ◽  
Vol 34 (05) ◽  
pp. 7063-7070
Author(s):  
Ryan Beal ◽  
Narayan Changder ◽  
Timothy Norman ◽  
Sarvapali Ramchurn

In this paper we describe a novel approach to team formation based on the value of inter-agent interactions. Specifically, we propose a model of teamwork that considers outcomes from chains of interactions between agents. Based on our model, we devise a number of network metrics to capture the contribution of interactions between agents. This is then used to learn the value of teamwork from historical team performance data. We apply our model to predict team performance and validate our approach using real-world team performance data from the 2018 FIFA World Cup. Our model is shown to better predict the real-world performance of teams by up to 46% compared to models that ignore inter-agent interactions.

Author(s):  
Victoria Alexandrovna Dihor ◽  
Nina Borisovna Serova ◽  
Dmitry Yurievich Narkhov

The FIFA 2018 World Cup is a significant event for Russian society. Ministries carry out various actions to promote football in the country. The Russian society of sociologists conducted a survey (4703 respondents) to understand the attitude to the Championship. Further, the teachers of the Ural Federal University conducted a survey of the attitude to football fans. Scientists have found that over the past 7 years, citizens have become more positive about fanaticism, but there is a problem of lack of objective information. To solve this problem, teachers at the Institute of physical culture of the Ural Federal University have developed a special course "Basics of working with the fans". The course is designed for students, postgraduates and teachers of physical education departments of universities, as well as stewards and volunteers. Since September 2017, 118 students have been trained in this course. The course consists of two parts: theoretical – describing the types of fans, information about the differences between fans from different countries; practical – reviewing the real situations of interaction with fans, communicating with Russian and foreign fans. Classes are conducted by a sports psychologist who studies football fans for 8 years.


2019 ◽  
Vol 11 (21) ◽  
pp. 5873
Author(s):  
Francisco E. Cabrera ◽  
Manuel Amaya ◽  
Gustavo Fabián Vaccaro Witt ◽  
José Ignacio Peláez

This paper presents a novel approach for ranking tourist destinations based on the eigenvector method for pairwise voting (EMPV). The proposed approach relies solely on pairwise comparisons instead of direct-vote polling. The EMPV method was tested over a real-world case application to rank various tourist destinations in the Costa del Sol region, Spain, and its outcome was compared against a polling approach using a Likert-type scale. Results show that the EMPV and the Likert-based approach provided different rankings of preferred tourist destinations. Furthermore, both the EMPV and the Likert-based approaches shared the same preference patterns per ranking position, thus confirming that the reported predilection of the tourist is independent of the measurement approach. Finally, results show that the ranking produced by the EMPV methodology was highly related to the real number of visitors of the Costa del Sol tourist destinations, surpassing the Likert-based approach in both ordering and value similarities.


2021 ◽  
Author(s):  
Harry Manley ◽  
Minnie Bundit ◽  
Trin Savejnarong ◽  
Pattramon Pornsukjantra ◽  
Naravut Sasipongsakorn

Slater, Haslam & Steffens (2018) found that the perceived level of team passion displayed during (pre-match) national anthems at UEFA Euro 2016 predicted team performance during the match. Teams that displayed greater passion conceded fewer goals and team passion predicted the likelihood of victory during the knockout (but not group) stages. Here, we replicate Slater et al. using a larger sample of matches from the FIFA World Cup (n = 415), and apply more appropriate analyses, and control for potential confounds. We also extend the original study to consider additional performance-related outcome variables (fouls, bookings, and possession). We found no empirical support for the effect of passion on performance outcomes. Supplementary materials, raw data and analysis files are available on the Open Science Framework (https://osf.io/q2urw).


2016 ◽  
Vol 28 (1) ◽  
pp. 40-49
Author(s):  
Jun Ogawa ◽  
◽  
Hiroyuki Iizuka ◽  
Masahito Yamamoto ◽  
Masashi Furukawa ◽  
...  

[abstFig src='/00280001/04.jpg' width=""300"" text='Seaweed tangle formation' ]We discuss novel approaches to the control of seaweed tangle formations in stirrer cultivation. Cultivating seaweed is one important way to avoid such formation. Because defining such formation is difficult based on human recognition alone, there is currently no quantitative evaluation criterion for formation. We develop physical simulation for analyzing formations in a water flow field and model three factors – physical, geometric and time – for characterizing formations. Our criterion is that formations are created by using these factors as input to a nonlinear support vector machine. To show the effectiveness of our simulation and criteria, we confirm the control effects of the water flow in simulation and the real world. Results show that our simulation model is useful for avoiding such formation in the real world.


2019 ◽  
Vol 16 (3) ◽  
pp. 885-893
Author(s):  
Kemal Göral

Penalties, free-kicks (direct-indirect), throw-ins, corner kicks and goal kicks are known to be as set-pieces. In this study; examination of set-pieces’ effects on scoring goals were targeted and, in this context, the competitions of Russia 2018 FIFA World Cup were analyzed. As a part of this study, 64 competitions of Russia 2018 FIFA World Cup were analyzed depending on penalties and set-pieces (free-kicks, corner kicks and throw-ins etc.) ending with goals. “E-Analyze Soccer” computer program were used to analyze the set-piece organizations in the competitions at the tournament. The findings were registered and interpreted via SPSS (18.0) program upon calculations of frequencies and percentages. 21 (%12.43) of the all goals scored in this tournament were from penalties, 23 (%13.61) from free-kicks, 22 (%13.02) from corner kicks and 2 (%1.18) from throw-ins. Throughout the Russia 2018 FIFA World Cup, 169 goals were scored in total with an average of 2.64 goals per game and, 68 (%40.24) of all the goals were recorded as score following the set-pieces. In the tournament, 21 (%72.41) penalties out of 29 resulted with goals. A major part of the goals scored from corner kicks were completed via headings (%77.27) and rest with kicks (%22.73). A great amount of completing goal scoring kicks following corner kicks were recorded with right foot (%81.82) and the rest with left foot (%18.18). As a result, the goals scored after the set-pieces amongst the all goals scored during the World Cup are to be rather important to effect the game and to reserve a considerable place on the scoreboard. Thus, in order to achieve the success through the tournaments and to complete the competitions as aspired, the set-pieces’ effective use and, in defense, the countermeasures to exercise against the set-pieces of opponent teams emerges as a crucial matter. Hereby, it is momentously suggested to accommodate more tactical trainings about set-pieces during the trainings as it might most likely to contribute a lot to team performance. ​Extended English summary is in the end of Full Text PDF (TURKISH) file.   Özet Penaltılar, serbest vuruşlar (direkt-endirekt), taç atışları, köşe vuruşları ve kale vuruşları, futbolda duran toplar olarak adlandırılmaktadır. Bu çalışma, futbolda duran topların, maçlarda atılan goller üzerindeki etkisinin incelenmesi ve bu kapsamda Rusya’da düzenlenen 2018 FIFA Dünya kupasındaki müsabakaların analiz edilmesi amacıyla yapılmıştır. Çalışmada, 2018 FIFA Futbol Dünya kupasında oynanan 64 müsabakada, kullanılan penaltılar ile duran top sonrası golle sonuçlanan serbest vuruş, köşe vuruşu ve taç atışlarının analizi yapılmıştır. Turnuvada oynanan müsabakalarda, kullanılan duran top organizasyonlarını (penaltı, serbest vuruş, köşe vuruşları ve taç atışları) analiz etmek için bilgisayar ortamında “e-analyze soccer” futbol analiz programı kullanılmıştır. Elde edilen veriler SPSS 18.0 programında kaydedilmiş, frekans ve yüzde değerleri hesaplandıktan sonra yorumlanmıştır. Turnuvada atılan gollerin %12.43’ü (21 gol) penaltıdan gelirken, %13.61’inin (23 gol) serbest vuruş, %13.02’sinin (22 gol) köşe vuruşu ve %1.18’inin de (2 gol) taç atışı sonrasında olmak üzere, maç başına 2,64 gol ortalaması ile 2018 FIFA Futbol Dünya kupasında atılan toplam 169 golün 68’inin (%40.24) duran toplar sonrasında gerçekleştiği belirlenmiştir. Turnuvada kullanılan 29 penaltının 21’inin (%72.41) golle sonuçlandığı, köşe vuruşu sonrası atılan gollerin %18.18’inin sol ayakla, %81.82’sinin sağ ayakla kullanılan köşe vuruşları sonrasında oluşurken, gollerin %77.27’si kafa vuruşu ile, %22.73’ü ise ayakla kaydedilmiştir. Sonuç olarak, dünya kupasında atılan goller içerisinde duran top organizasyonları sonrasında meydana gelen gollerin oldukça önemli bir yer tuttuğu görülmektedir. Takımların turnuvalarda başarılı olabilmesi ve müsabakalardan istenilen sonuçlarla ayrılabilmeleri açısından, duran topların etkili kullanımı ve kullanılan duran toplara karşı alınacak önlemler üzerine hazırlanmış taktiksel antrenmanlara çalışmalarda daha da fazla yer verilmesinin takım performansına oldukça önemli katkılar sağlayacağı söylenebilir.


2021 ◽  
Vol 11 (2) ◽  
pp. 158-168
Author(s):  
Roberto X. de Lima ◽  
Ernesto F. Nobre Júnior ◽  
Pedro G. P. S. Fernandes

AbstractThe purpose of this paper is to present an optimization model for planning the distribution of materials in earthmoving operations, considering possible interferences between cut-and-fill sections such as rivers, vegetation, topographical features, or expropriations. The earth allocation problem incorporating interferences was modeled as a linear programming problem, aiming to minimize the total earthmoving cost while considering the constraints related to volume balance, construction project duration, and time for the release of traffic. The proposed linear programming model was run by an integrated system, using Excel for data analysis and IBM CPLEX as the optimizer. The mathematical model was evaluated by a sensitivity analysis and validated by a real-world project of a dam access road in the state of Ceará, Brazil. The unit costs and productivity rates used in the fictional example and in the real-world application followed the referential cost system created by Ceará’s Secretariat of Infrastructure (SEINFRA-CE). The proposed optimization model achieved reasonable processing times for all tested applications, presenting itself as a viable and efficient option for planning earthmoving operations. Furthermore, the linear programming approach provided a 2.12% cost reduction for the real-world case study, when comparing the optimized solution and original budget. This study explored the problem of earth allocation with interferences using a linear programming approach, while avoiding complex modeling issues found in recent literature. As a result, this paper proposes a user-friendly optimization system that can be easily utilized by construction companies and departments.


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