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8th International Conference on Contemporary Information Technology and math.matics, ICCITM 2022

作者： Ahmad, Farah B. Ibrahim, Laheeb M. University of Mosul College of Computer Sciences & Math. Software Engineering Department Mosul Iraq

ISBN: (纸本)9798350334869

Software effort estimation (SEE) is an important process for predicting the effort required to develop or maintain software projects. It is considered one of the difficult challenges for software engineering because the more accurate the estimation, the greater the chances of success in developing software projects to complete and deliver them within the specified scheduling and budget. The diversity in software projects led to the use of many techniques to estimate the effort. The main objective of the research is to find the best technique to get the estimated effort as close to the real effort, using Machine learning Algorithms, artificial neural network Long Short-Term Memory(LSTM) and the artificial neural network Stacked Long Short-Term Memory (Stacked_LSTM), with six data sets are China, Kitchenham, Kemerer, Cocomo 81, Albrecht, Decharnais, and comparing the performance of the two machine learning algorithms performance, Neuralnet and Lasso from previous research, used the same data sets and using the same evaluation metrics, which are: the root mean square error (RMSE), mean absolute error (MAE) and R_Squared. The results demonstrated the superiority of the Stacked _LSTM algorithm by all metrics with the dataset of China, Kemerer and Albrecht, while in the data sets, Descharnais and Kitchenham, the LSTM algorithm outperformed the rest of the methods. While in the Cocomo 81 dataset, Neuralnet algorithm outperformed the rest of the techniques used, but the best rating was obtained. It is for Stacked _LSTM algorithm with China data. © 2022 IEEE.

关键词： Long short-term memory

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Enzigame: An Educational Game About Enzymes and Metabolism 53

Enzigame: An Educational Game About Enzymes and Metabolism

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53rd IEEE ASEE Frontiers in Education International Conference, FIE 2023

作者： De Carvalho Ferreira, Gustavo M. S. Faria, Michel Hecker Dias Cirilo, math.us Henrique De Oliveira, Alexandre Ponce De Oliveira Carvalho, Carla Roberta De Souza, Paulo Sergio Lopes Inst. of Math. and Computer Sciences Engineering School of Sao Carlos University of Sao Paulo Sao Carlos Brazil University of Sao Paulo Technology Faculty of Lins Sao Carlos Brazil Institute of Biomedical Sciences University of Sao Paulo Sao Paulo Brazil Inst. of Math. and Computer Sciences University of Sao Paulo Sao Carlos Brazil

ISBN: (纸本)9798350336429

This paper presents a novel game to teach metabolism and enzymatic activity concepts, exploring game-based and active learning. This study is part of a larger project that aims to update primary and secondary school teachers with scientific knowledge, allowing them to include novel teaching strategies and general discussions about eating habits and health with their students. The game impact was measured by qualitative assessment of 75 teachers who used the game, and overall, the feedback was very positive. Enzigame has been developed to explore essential concepts of metabolism and enzymatic activity. A heterogeneous group of people from computing and biomedical science participated in creating the game's software, and another group worked on reviewing the pedagogic issues in the game to make it able to be used in the classroom. The computing subgroup created a game design document describing the game's features, mechanics, elements, and scenarios. The game's development was cyclic, constantly reviewing the requirements for pedagogic, content, and computing technical aspects. Our results show the strong game's evolution, which was possible through the constant feedback from teachers from middle school, high school, and university education. Now, we have Enzigame's stable final version, with several mechanics that approach the contents in a playful and didactic way. Enzigame teaches about metabolism and enzymes, and, at the same time, it tests the motor and reasoning player's capacity through its gameplay, where the player controls an enzyme and needs to lead that one to its substrates, regulating the body's metabolism. The gameplay is accompanied by the 'Teacher' character, who appears occasionally and explains things to the player, like an enzyme and how it works. The game has different levels, representing distinct places of the body. Such levels allow us to explore the various kinds of enzymes and the different phases of our metabolism. Through game development a

关键词： enzyme activity game-based learning healthy habits learning obesity

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Metabuleiro: a Digital Board Game About the Human Body and a Healthy Diet 53

Metabuleiro: a Digital Board Game About the Human Body and a...

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53rd IEEE ASEE Frontiers in Education International Conference, FIE 2023

作者： De Oliveira, Alexandre Ponce Dias Cirilo, math.us Henrique Sarenci De Carvalho Ferreira, Gustavo M. Faria, Michel Hecker De Oliveira Carvalho, Carla Roberta Lopes De Souza, Paulo Sergio University of Sao Paulo Technology Faculty of Lins Sao Carlos Brazil Inst. of Math. and Computer Sciences Engineering School of Sao Carlos University of Sao Paulo Sao Carlos Brazil Institute of Biomedical Sciences University of Sao Paulo Sao Paulo Brazil Inst. of Math. and Computer Sciences University of Sao Paulo Sao Carlos Brazil

ISBN: (纸本)9798350336429

Traditional teaching methods often need help engaging students and effectively fostering active participation and knowledge retention. There is a growing need for innovative educational tools to address this challenge that can enhance student engagement and learning outcomes. Educational games have gained significant attention as an effective method to improve motivation, engagement, and learning outcomes in educational settings. This paper introduces Metabuleiro, a digital multiplayer board game developed as a gamified learning tool. While initially focused on teaching metabolism, obesity, and a healthy diet, Metabuleiro's versatility allows its application in various subjects. The objective is to provide teachers with a unique and engaging resource that enhances student engagement and promotes effective learning. Experts collaboratively developed Metabuleiro from computer science and biomedical science. The game combines elements of board games and quizzes to offer a collaborative and competitive learning experience. Careful consideration was given to the game's features, mechanics, and components to ensure an effective learning environment while maintaining an enjoyable gameplay experience. Throughout the development process, feedback from teachers at different educational levels was collected and incorporated into the game's revisions. The final version of Metabuleiro received positive evaluations from teachers, demonstrating high satisfaction and intentions to integrate the educational game or similar tools into their classes. This positive feedback highlights Metabuleiro's potential as an effective educational tool for enhancing student engagement and learning outcomes. Furthermore, the game's adaptability allows it to be applied across various fields of study, making it a valuable resource for educators seeking to incorporate game-based learning and active educational methodologies in their classes. To further enhance our understanding of the game's education

关键词： game-based learning healthy diet learning metabolism obesity

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Health Tycoon: An Educational Simulation Game on Positive Habits 53

Health Tycoon: An Educational Simulation Game on Positive Ha...

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53rd IEEE ASEE Frontiers in Education International Conference, FIE 2023

作者： Cirilo, math.us Henrique Dias De Carvalho Ferreira, Gustavo M. Sarenci Faria, Michel Hecker De Oliveira, Alexandre Ponce De Oliveira Carvalho, Carla Roberta De Souza, Paulo Sergio Lopes Inst. of Math. and Computer Sciences Engineering School of Sao Carlos University of Sao Paulo Sao Carlos Brazil University of Sao Paulo Technology Faculty of Lins Sao Carlos Brazil Institute of Biomedical Sciences University of Sao Paulo Sao Paulo Brazil Inst. of Math. and Computer Sciences University of Sao Paulo Sao Carlos Brazil

ISBN: (纸本)9798350336429

This study explores how a game can be an effective active learning methodology for promoting health education and healthy eating habits among young students. The primary objective of the research was to develop an educational game that emphasizes the importance of healthy behaviors. To achieve this, the team created a game design document that described the game's main features, including themes, game mechanics, characters, scenarios, challenges, and feedback. The team used the Unity platform, a game development tool, to develop the game to create a unique game that engages young students in healthy activities. The game's educational content is reinforced through math.matical simulations that give players feedback about healthy choices, such as healthy eating and regular exercise. The feedback system aims to highlight the significance of healthy habits for overall health, even when the results of these habits may not be immediately visible. The team collaborated with health and nutrition experts to ensure the game's educational content was accurate and up-to-date. Experts validated the game to ensure its quality and effectiveness, while teachers tested its usability to identify any issues that could affect its use in the classroom. As a result of the research, the team developed an educational simulation tool primarily aimed at slightly older students. The game demonstrates the impact of good habits, breaking the problem of delayed gratification that affects young people. The game development methodology presented in this study can be a helpful model for educators and developers working in educational technology. The game's potential as an educational tool and its success in fostering healthy behaviors must encourage further research and development. In conclusion, an educational game emphasizing the importance of healthy behaviors can promote health education among young students. As presented in this study, the educational game Health Tycoon shows evidence that te

关键词： eating habits educational game learning metabolism nutrition obesity

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Food Battle: Game-Based Learning to Teach Healthy Eating Habits 53

Food Battle: Game-Based Learning to Teach Healthy Eating Hab...

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53rd IEEE ASEE Frontiers in Education International Conference, FIE 2023

作者： Faria, Michel Hecker De Carvalho Ferreira, Gustavo M. S. Cirilo, math.us Henrique Dias De Oliveira, Alexandre Ponce De Oliveira Carvalho, Carla Roberta De Souza, Paulo Sergio Lopes Inst. of Math. and Computer Sciences Engineering School of Sao Carlos University of Sao Paulo Sao Carlos Brazil University of Sao Paulo Technology Faculty of Lins Sao Carlos Brazil Institute of Biomedical Sciences University of Sao Paulo Sao Paulo Brazil Inst. of Math. and Computer Sciences University of Sao Paulo Sao Carlos Brazil

ISBN: (纸本)9798350336429

Game-based learning has gained popularity in recent years, as it is an effective method to engage students and improve their learning experience. The present study aimed to investigate the use of game-based learning in teaching eating habits and health to elementary school students, focusing on nutrition and obesity. The study was part of a larger project to update elementary and high school teachers in Brazil on metabolism and obesity, linked to the World Health Organization (WHO) campaign entitled Beat Diabetes. Our research can be split into three methodological stages. In the first stage, we established the requirements for the topics covered in the game through meetings with experts in metabolism and obesity. The digital game was developed in the second stage using the Unity Engine and the C# language. The game was titled Food Battle and was inspired by another popular game called Plants vs. Zombies. In this game, the players had to choose healthy and unhealthy food options while fighting off junk food monsters. The third and final stage of the study was responsible for the verification, validation, and testing (VV&T) of the game. Programmers, computers, and medical teachers initially tested the Food Battle game. Then, the game was validated by its end-users, which included elementary and high school teachers and undergraduate students in biomedical sciences. The study's results showed a positive acceptance of the game as a teaching tool. The Food Battle game was playful, engaging, and effective in reaching various age groups of students. The use of games in education can offer various benefits to students, including increased motivation, engagement, and interest in the topic being taught. Additionally, games can assist teachers in the classroom by providing them with a tool that facilitates teaching complex issues such as obesity and healthy eating. The present study highlights the importance and benefits of games in education and how they can effectively impr

关键词： eating habits games learning metabolism obesity

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On biased compression for distributed learning

The Journal of Machine Learning Research

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The Journal of Machine Learning Research 2023年第1期24卷 12974-13023页

作者： Aleksandr Beznosikov Samuel Horváth Peter Richtárik Mher Safaryan Computer Electrical and Math. Sciences and Engineering Division King Abdullah University of Science and Technology Thuwal KSA and Skolkovo Institute of Science and Technology Moscow Russia and School of Applied Mathematics and Informatics Moscow Institute of Physics and Technology Moscow Russia Computer Electrical and Math. Sciences and Engineering Division King Abdullah University of Science and Technology Thuwal KSA

In the last few years, various communication compression techniques have emerged as an indispensable tool helping to alleviate the communication bottleneck in distributed learning. However, despite the fact biased compressors often show superior performance in practice when compared to the much more studied and understood unbiased compressors, very little is known about them. In this work we study three classes of biased compression operators, two of which are new, and their performance when applied to (stochastic) gradient descent and distributed (stochastic) gradient descent. We show for the first time that biased compressors can lead to linear convergence rates both in the single node and distributed settings. We prove that distributed compressed SGD method, employed with error feedback mechanism, enjoys the ergodic rate $O\left( \delta L \exp[-\frac{\mu K}{\delta L}] + \frac{(C + \delta D)}{K\mu}\right)$, where δ ≥1 is a compression parameter which grows when more compression is applied, L and µ are the smoothness and strong convexity constants, C captures stochastic gradient noise (C = 0 if full gradients are computed on each node) and D captures the variance of the gradients at the optimum (D = 0 for over-parameterized models). Further, via a theoretical study of several synthetic and empirical distributions of communicated gradients, we shed light on why and by how much biased compressors outperform their unbiased variants. Finally, we propose several new biased compressors with promising theoretical guarantees and practical performance.

关键词： compression operators biased compressors distributed learning linear convergence error feedback

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Software effort estimation Based on long short term memory and stacked long short term memory

Software effort estimation Based on long short term memory a...

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Contemporary Information Technology and math.matics (ICCITM), International Conference on

作者： Farah B. Ahmad Laheeb M. Ibrahim Software Engineering Department College of Computer Sciences & Math. University of Mosul Mosul Iraq

关键词： Measurement Training Machine learning algorithms Software algorithms Estimation Prediction algorithms Software

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Reconfigurable Intelligent Surfaces and DF-relay Improved Spectral Efficiency in Cognitive Radio Networks 97

Reconfigurable Intelligent Surfaces and DF-relay Improved Sp...

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97th IEEE Vehicular Technology Conference, VTC 2023-Spring

作者： El Mettiti, Abderahmane Saber, Mohamed Chehri, Abdellah Chaibi, Hasna Badaoui, Abdel Saadane, Rachid Faculty of Sciences University Mohamed v Ehtp LRIT-GSCM Morocco SIRC/LAGeS Ehtp Laboratory Engineering System Casablanca Morocco Royal Military College Dep. Math. and Computer Science Kingston Canada Supmti Genuis Laboratory Rabat Morocco Mohammed v University Laboratory Lastimi Casablanca Morocco

ISBN: (纸本)9798350311143

Cognitive radio (CR) is considered a primary technology for spectrum usage efficiency and dynamic spectrum management. Spectrum sensing is an essential cognitive radio cycle function. Recently, reconfigurable intelligent surfaces (RIS) technology has emerged as a promising new enabler of 6G wireless communication, with the ability to control signal propagation and increase signal coverage and spectrum management. This paper investigates how integrating RISs with CR can improve spectral efficiency. First, we optimize the RIS parameters by identifying the optimal transmit powers and number of RIS antennas. Then, we compare the novel RIS technology with the traditional decode-and-forward (DF) relaying technology. Next, we investigate how adopting RIS can enhance spectral efficiency. Finally, we demonstrate how integrating the novel technology of reconfigurable intelligent surfaces with CR can significantly increase spectrum detection, the most crucial step in the cognitive radio process. Simulation studies indicate that RIS is more energy-efficient than SISO and DF-relay communications in various setups. Moreover, by boosting spectrum sensing capability in CR situations, RISs can significantly enhance the efficiency of frequency spectrum usage. © 2023 IEEE.

关键词： Cognitive radio

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Enzigame: An Educational Game About Enzymes and Metabolism

Enzigame: An Educational Game About Enzymes and Metabolism

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Frontiers in Education (FIE) Conference

作者： Gustavo M. S. de Carvalho Ferreira Michel Hecker Faria math.us Henrique Dias Cirilo Alexandre Ponce de Oliveira Carla Roberta de Oliveira Carvalho Paulo Sergio Lopes de Souza Inst. of Math. and Computer Sciences Engineering School of Sao Carlos University of Sao Paulo Sao Carlos Brazil Technology Faculty of Lins University of Sao Paulo Sao Carlos Brazil Institute of Biomedical Sciences University of Sao Paulo Sao Paulo Brazil Inst. of Math. and Computer Sciences University of Sao Paulo Sao Carlos Brazil

This paper presents a novel game to teach metabolism and enzymatic activity concepts, exploring game-based and active learning. This study is part of a larger project that aims to update primary and secondary school teachers with scientific knowledge, allowing them to include novel teaching strategies and general discussions about eating habits and health with their students. The game impact was measured by qualitative assessment of 75 teachers who used the game, and overall, the feedback was very positive. Enzigame has been developed to explore essential concepts of metabolism and enzymatic activity. A heterogeneous group of people from computing and biomedical science participated in creating the game's software, and another group worked on reviewing the pedagogic issues in the game to make it able to be used in the classroom. The computing subgroup created a game design document describing the game's features, mechanics, elements, and scenarios. The game's development was cyclic, constantly reviewing the requirements for pedagogic, content, and computing technical aspects. Our results show the strong game's evolution, which was possible through the constant feedback from teachers from middle school, high school, and university education. Now, we have Enzigame's stable final version, with several mechanics that approach the contents in a playful and didactic way. Enzigame teaches about metabolism and enzymes, and, at the same time, it tests the motor and reasoning player's capacity through its gameplay, where the player controls an enzyme and needs to lead that one to its substrates, regulating the body's metabolism. The gameplay is accompanied by the “Teacher” character, who appears occasionally and explains things to the player, like an enzyme and how it works. The game has different levels, representing distinct places of the body. Such levels allow us to explore the various kinds of enzymes and the different phases of our metabolism. Through game development a

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Food Battle: Game-Based Learning to Teach Healthy Eating Habits

Food Battle: Game-Based Learning to Teach Healthy Eating Hab...

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Frontiers in Education (FIE) Conference

作者： Michel Hecker Faria Gustavo M. S. de Carvalho Ferreira math.us Henrique Dias Cirilo Alexandre Ponce de Oliveira Carla Roberta de Oliveira Carvalho Paulo Sergio Lopes de Souza Inst. of Math. and Computer Sciences Engineering School of Sao Carlos University of Sao Paulo Sao Carlos Brazil Technology Faculty of Lins University of Sao Paulo Sao Carlos Brazil Institute of Biomedical Sciences University of Sao Paulo Sao Paulo Brazil Inst. of Math. and Computer Sciences University of Sao Paulo Sao Carlos Brazil

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