George G Boateng

George G Boateng
ETH Zurich | ETH Zürich

About

41
Publications
3,928
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182
Citations
Introduction
Skills and Expertise

Publications

Publications (41)
Preprint
Full-text available
Africa has a high student-to-teacher ratio which limits students' access to teachers. Consequently, students struggle to get answers to their questions. In this work, we extended Kwame, our previous AI teaching assistant, adapted it for science education, and deployed it as a web app. Kwame for Science answers questions of students based on the Int...
Preprint
Full-text available
Dyadic interactions of couples are of interest as they provide insight into relationship quality and chronic disease management. Currently, ambulatory assessment of couples' interactions entails collecting data at random or scheduled times which could miss significant couples' interaction/conversation moments. In this work, we developed, deployed a...
Preprint
Full-text available
Couples' relationships affect the physical health and emotional well-being of partners. Automatically recognizing each partner's emotions could give a better understanding of their individual emotional well-being, enable interventions and provide clinical benefits. In the paper, we summarize and synthesize works that have focused on developing and...
Article
Full-text available
The human voice communicates emotion through two different types of vocalizations: nonverbal vocalizations (brief non-linguistic sounds like laughs) and speech prosody (tone of voice). Research examining recognizability of emotions from the voice has mostly focused on either nonverbal vocalizations or speech prosody, and included few categories of...
Conference Paper
Automatic grading systems have been in existence since the turn of the half-century. Several systems have been developed in the literature with either static analysis and dynamic analysis or a hybrid of both methodologies for computer science courses. This paper presents AutoGrad, a novel portable cross-platform automatic grading system for graphic...
Conference Paper
Full-text available
How romantic partners interact with each other during a conflict influences how they feel at the end of the interaction and is predictive of whether the partners stay together in the long term. Hence understanding the emotions of each partner is important. Yet current approaches that are used include self-reports which are burdensome and hence limi...
Conference Paper
Full-text available
Many processes in psychology are complex, such as dyadic interactions between two interacting partners (e.g., patient-therapist, intimate relationship partners). Nevertheless, many basic questions about interactions are difficult to investigate because dyadic processes can be within a person and between partners, they are based on multimodal aspect...
Preprint
BACKGROUND Older adults who engage in physical activity can reduce their risk of mobility and disability. Short amounts of walking can improve their quality of life, physical function, and cardiovascular health. Various programs have been implemented to encourage older adults to engage in physical activity, but sustaining their motivation continues...
Article
Background: Older adults who engage in physical activity can reduce their risk of mobility impairment and disability. Short amounts of walking can improve quality of life, physical function, and cardiovascular health. Various programs have been implemented to encourage older adults to engage in physical activity, but sustaining their motivation co...
Preprint
Full-text available
There is a burgeoning trend of smartphone ownership in Africa due to the low costs of Android smartphones and the global increase in social media usage. Building upon previous works that introduced a smartphone-based coding course to secondary and tertiary students in Ghana via an in-person program and an online course, this work introduced African...
Preprint
Full-text available
Automatic grading systems have been in existence since the turn of the half-century. Several systems have been developed in the literature with either static analysis and dynamic analysis or a hybrid of both methodologies for computer science courses. This paper presents AutoGrad, a novel portable cross-platform automatic grading system for graphic...
Preprint
Full-text available
Many processes in psychology are complex, such as dyadic interactions between two interacting partners (e.g. patient-therapist, intimate relationship partners). Nevertheless, many basic questions about interactions are difficult to investigate because dyadic processes can be within a person and between partners, they are based on multimodal aspects...
Preprint
Full-text available
How romantic partners interact with each other during a conflict influences how they feel at the end of the interaction and is predictive of whether the partners stay together in the long term. Hence understanding the emotions of each partner is important. Yet current approaches that are used include self-reports which are burdensome and hence limi...
Chapter
Code plagiarism in online courses gives a false idea of the performance of students. In 2020, we run a smartphone-based online coding course, SuaCode Africa 2.0 in which 27% of plagiarism cases was found in the final assignment submissions. Hence, a need arose to develop software that detects plagiarism among source code. The software described in...
Chapter
Introductory hands-on courses such as our smartphone-based coding course, SuaCode require a lot of support for students to accomplish learning goals. Online environments make it even more difficult to get assistance especially more recently because of COVID-19. Given the multilingual context of SuaCode students—learners across 42 African countries...
Conference Paper
Full-text available
Recognizing the emotions of the elderly is important as it could give an insight into their mental health. Emotion recognition systems that work well on the elderly could be used to assess their emotions in places such as nursing homes and could inform the development of various activities and interventions to improve their mental health. However,...
Conference Paper
Full-text available
Extensive couples’ literature shows that how couples feel after a conflict is predicted by certain emotional aspects of that conver- sation. Understanding the emotions of couples leads to a better understanding of partners’ mental well-being and consequently their relationships. Hence, automatic emotion recognition among couples could potentially g...
Preprint
Full-text available
Introductory hands-on courses such as our smartphone-based coding courses, SuaCode require a lot of support for students to accomplish learning goals. Online environments make it even more difficult to get assistance especially more recently because of COVID-19. Given the multilingual context of our students (learners across 38 African countries),...
Preprint
The human voice communicates emotion through two different types of vocalisations: nonverbal vocalisations (brief non-linguistic sounds like laughs) and speech prosody (tone of voice). Research examining recognisability of emotions from the voice has mostly focused on either nonverbal vocalisations or speech prosody, and included few categories of...
Conference Paper
Full-text available
Illness management among married adults is mainly shared with their spouses and it involves social support. Social support among couples has been shown to affect emotional well-being positively or negatively and result in healthier habits among diabetes patients. Hence, through automatic emotion recognition, we could have an assessment of the emoti...
Conference Paper
Full-text available
Couples’ relationships affect partners’ mental and physical well-being. Automatic recognition of couples’ emotions will not only help to better understand the interplay of emotions, intimate relationships, and health and well-being, but also provide crucial clinical insights into protective and risk factors of relationships, and can ultimately guid...
Conference Paper
Africa lags behind the rest of the world in terms of digital literacy skills with less than one percent of African children leaving school with basic coding skills. One cause of this gap is poor access to equipment such as computers for teaching and learning. Yet, there is a proliferation of smartphones in Africa. Seeking to leverage this opportuni...
Conference Paper
Full-text available
Married adults share illness management with spouses and it involves social support and common dyadic coping (CDC). Social support and CDC have an impact on health behavior and well-being or emotions in couples' dyadic management of diabetes in daily life. Hence, understanding dyadic interactions in-situ in chronic disease management could inform b...
Article
Full-text available
Background: Type II diabetes mellitus (T2DM) is a common chronic disease. To manage blood glucose levels, patients need to follow medical recommendations for healthy eating, physical activity, and medication adherence in their everyday life. Illness management is mainly shared with partners and involves social support and common dyadic coping (CDC)...
Conference Paper
Full-text available
Smartwatches provide a unique opportunity to collect more speech data because they are always with the user and also have a more exposed microphone compared to smartphones. Speech data could be used to infer various indicators of mental well being such as emotions, stress and social activity. Hence, real-time voice activity detection (VAD) on smart...
Conference Paper
Full-text available
Married adults share illness management with spouses and it involves social support and common dyadic coping (CDC). Social support and CDC have an impact on health behavior and well-being or emotions in couples dyadic management of diabetes in daily life. Hence, understanding dyadic interactions in-situ in chronic disease management could inform be...
Article
Full-text available
Background: Obesity in older adults is a significant public health concern. Weight-loss interventions are known to improve physical function but risk the development of sarcopenia. Mobile health devices have the potential to augment existing interventions and, if designed accordingly, could improve one's physical activity and strength in routine p...
Conference Paper
Full-text available
Wrist-worn devices hold great potential as a platform for mobile health (mHealth) applications because they comprise a familiar, convenient form factor and can embed sensors in proximity to the human body. Despite this potential, however, they are severely limited in battery life, storage, bandwidth, computing power, and screen size. In this paper,...
Preprint
BACKGROUND Type II diabetes mellitus (T2DM) is a common chronic disease. To manage blood glucose levels, patients need to follow medical recommendations for healthy eating, physical activity, and medication adherence in their everyday life. Illness management is mainly shared with partners and involves social support and common dyadic coping (CDC)....
Poster
Full-text available
Diabetes mellitus Type II (T2DM) is a common chronic disease of the endocrine system in which the pancreas no longer produces enough insulin to metabolize blood glucose or the body becomes less sensitive to insulin. To manage blood glucose levels and to reduce the risk of diabetes-related complications (e.g., cardiovascular diseases, vision loss, a...
Article
Mobile health (mHealth) interventions hold the promise of augmenting existing health promotion interventions. Older adults present unique challenges in advancing new models of health promotion using technology including sensory limitations and less experience with mHealth, underscoring the need for specialized usability testing. We use an open-sour...
Article
Sarcopenia is defined as an age-related loss of muscle mass and strength which impairs physical function leading to disability and frailty. Resistance exercises are effective treatments for sarcopenia and are critical in mitigating weight-loss induced sarcopenia in older adults attempting to lose weight. Yet, adherence to home-based regimens, which...
Conference Paper
The ability to monitor a person's level of daily activity can inform self-management of physical activity and assist in augmenting behavioral interventions. For older adults, the importance of regular physical activity is critical to reduce the risk of long-term disability. In this work, we present GeriActive, an application on the Amulet wrist-wor...
Conference Paper
Full-text available
Technological innovation has the potential to speed up development. However, in most African countries the education system is largely theoretical in nature with inadequate attention to STEM education. In effect, students leave school lacking critical skills which are necessary in today's global economy. We developed and implemented a project-base...
Article
Physical activity helps reduce the risk of cardiovascular disease, hypertension and obesity. The ability to monitor a person's daily activity level can inform self-management of physical activity and related interventions. For older adults with obesity, the importance of regular, physical activity is critical to reduce the risk of long-term disabil...

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Projects

Project (1)
Project
The aim of the DyMand project is to systematically investigate the effects of visible and invisible social support and CDC on health behaviors involved in diabetes management (eg, physical activity, healthy diet, and medication adherence) and well-being using a novel ambulatory assessment application for smartphones for the open-source behavioral intervention platform MobileCoach allowing the objective evaluation of the core study constructs and outcomes in romantic couples’ everyday lives.