Situational awareness through IoT sensors : A smart healthcare system as a use case

Emerging technologies of the Internet of Things are getting increasingly significant and to some extent essential as well to the society we are living in. These technologies have shown ability over the time to be implemented in a number of different fields, for instance, Smart Home, Smart Building, Smart City, Smart Retail, Smart Supply Chain, Smart Farming, Smart Grid, Industrial Internet and many more. Incorporation of Internet of Things technologies in the healthcare sector has potential to benefit not only medical related enterprises but at the same time it can improve the overall health and well-being of individuals as well. The deployment of IoT integrated systems has to deal with fairly heterogeneous environments that consist of a large number of sensors and actuators which all can be quite different from one another in many aspects. For example, they can use different operating systems and can have different hardware architecture. Such sensors are sometimes used for situational awareness of the surrounding and for making the individuals interact better with their environment. Such variety of applications and tasks poses a problem for system designers and developers on the choice of the most suitable technology to be employed to accomplish a specific task. This thesis explores the potential of Internet of Things technologies in the medical sector. We used analytical hierarchical process to have a kind of situational awareness through IoT technologies. As an use case, a healthcare system was considered for elderly people with neurological problems who need special care – people suffering with dementia for example. At the same time we have taken into account for the proposed system that it would enable regular people track and monitor their usual activities with a focus on improving the quality of life and enhancing their overall wellbeing. It is of prime importance for the system designers and developers that they have an idea about the potential IoT technologies and applications that can help this cause. We have considered eleven different IoT technologies to select from for the proposed paradigm. The decision of selecting the most appropriate technology obviously depends upon different criteria. Every IoT technology has its pros and cons. According to the needs of the proposed healthcare system, we have constructed a multi-criteria hierarchical model to assess the potential of those eleven IoT technologies for the healthcare system and chosen the best one based on set criteria and sub criteria. A 4-tier Analytical Hierarchical model is used to compare those technologies in terms of their quality of service or effectiveness, their acceptability and from the cost perspective. These criteria are then further divided into sub-criteria and the technologies are compared with respect to these ten sub-criteria to have a more thorough and comprehensive analysis. For these comparisons, quantitative data were collected from the internet including IEEE articles, and some of the comparisons are purely subjective. The results indicate that wide-area low-power solutions show more potential for the proposed healthcare system than other IoT technologies which we used for comparison, and SigFox tops the table. Also WiFi solutions have shown significant potential. But again, every technology has its shortcomings as well. Further studies are needed to see if we can somehow make a hybrid healthcare system that utilizes multiple IoT technologies and incorporate the plus points of all of them into the system; such future system can prove to be revolutionary in the medical care

Indoor particulate matter in developing countries: a case study in Pakistan and potential intervention strategies

Around three billion people, largely in low and middle income countries, rely on biomass fuels for their household energy needs. The combustion of these fuels generates a range of hazardous indoor air pollutants and is an important cause of morbidity and mortality in developing countries. Worldwide, it is responsible for four million deaths. A reduction in indoor smoke can have a significant impact on lives and can help achieve many of the Millennium Developments Goals. This letter presents details of a seasonal variation in particulate matter (PM) concentrations in kitchens using biomass fuels as a result of relocating the cooking space. During the summer, kitchens were moved outdoors and as a result the 24 h average PM10, PM2.5 and PM1 fell by 35%, 22% and 24% respectively. However, background concentrations of PM10 within the village increased by 62%. In locations where natural gas was the dominant fuel, the PM concentrations within the kitchen as well as outdoors were considerably lower than those in locations using biomass. These results highlights the importance of ventilation and fuel type for PM levels and suggest that an improved design of cooking spaces would result in enhanced indoor air quality. © 2013 IOP Publishing Ltd

SSO Based Fingerprint Authentication of Cloud Services for Organizations

Access to a pool of programmable resources, such as storage space, applications, services, and on-demand networks, is made possible by cloud computing technology. Involving the cloud with the organization reduces its efforts to meet the needs of its customers. The Single Sign-On (SSO) method, which enables users to access various application services using a single user credential, is one of the key benefits of cloud computing. There are numerous problems and difficulties with cloud computing that need to be highlighted. However, protecting user agent privacy against security assaults is far more challenging. To combat security and privacy assaults, this study suggests SSO-based biometric authentication architecture for cloud computing services. Since end devices are computationally inefficient for processing user information during authentication, biometric authentication is effective for resources controlled by end devices at the time of accessing cloud services. As a result, the proposed design minimizes security attacks in cloud computing. An innovative strategy that establishes a one-to-one interaction between the user agent and the service provider is also included in the suggested design. In this case, user agents can use their fingerprint to access various cloud application services and seek registration. The highlights of the suggested architecture have been offered based on comparison analysis with a number of existing architectures

Microbial dynamics during various activities in residential areas of Lahore, Pakistan

Bioaerosols are ubiquitous in the atmosphere with their levels affected by a variety of environmental factors as well as type of activities being carried out at any specific time. The present study investigated how indoor activities influence bioaerosol concentrations in five residential houses of Lahore. Agar coated petri plates were exposed face upwards for twenty minutes in kitchens and living rooms during activity and non-activity periods. The temperature and relative humidity levels were noted as well. The bioaerosol concentrations in kitchens during the activity time ranged between 1022 to 4481 cfu/m3 and in living rooms from 1179 to 3183 cfu/m3 . Lower values were observed during non-activity periods. A paired-t test revealed a significant difference in bacterial loads during activity and non-activity times in both micro-environments (p = 0.038 in kitchen and p = 0.021 in living room). The predominant species identified were Micrococcus spp., Staphylococcus spp., and Bacillus spp. which are a common constituent of the indoor environment and are known to be opportunistic pathogens as well

Measurement of NO2 indoor and outdoor concentrations in selected public schools of Lahore using passive sampler

Higher levels of NO2 are a danger to human health especially for children. A seven day study was carried to find out the ambient concentrations of NO2in 27 schools of Lahore with the help of passive samplers. In each school three sites were selected, viz: laboratory, corridor and outdoors. After 7 days exposure the tubes were subjected to spectrophotometric analysis. Results showed that the maximum values measured in laboratory, outdoor and corridors were 376µg/m3 , 222µg/m3 and 77µg/m3 . Minimum values for laboratory, outdoor and corridors were 10µg/m3 , 20µg/m3 and 8µg/m3 . Factors affecting these values were laboratory activities and proximity to main roads. These values were significantly higher than the standard values defined by EPA. Therefore children in schools were at risk of developing health complications

Exploring Linguistic Space Occupied by the Teachers and Students of an ESL Classroom in Gilgit-Baltistan, Pakistan: Comparisons Across Gender

Classroom talk plays a key role in language learning especially in English as second language (ESL) classrooms. Therefore, in this study the linguistic space occupied by the teacher and students in an ESL classroom has been investigated. A descriptive and exploratory approach was employed and videotaping was used for data collection during five consecutive classroom lessons. Results revealed that the teacher occupied most of the linguistics space (60%) as compared to the students (40%). The average word count of boys (56%) was comparatively higher than that of girls’ word count (44%). This study reports important insights into the patterns of teachers’ speech acts, students’ speech acts, silent and dominant students, length of students’ turns during classroom talk and comparisons across gender for both policy and practice

Comparison of Ephedrine Versus Lidocaine in Reducing the Frequency of Pain on Propofol Injection during Elective Surgeries

Background: To compare the ephedrine with lidocaine for reducing frequency of pain on propofol injection during elective surgeries.Methods: In this randomized controlled trial 80 patients were observed by taking 40 patients in each group, i.e. group A: ephedrine group and group B:lidocaine group. Patients with ASA–I (normal healthy patient), II (mild systemic disease with no functional limitation) aging between 20 and 40 years and opting for elective surgical procedures were included. The pain intensity was classified in four levels from no pain to severe pain. The frequencies of pain intensity were recorded during the injection period before the loss of consciousness according to the verbal rating scale (VRS) explained to patients at the preoperative visit. Chi square test was used to compare the frequency of pain in two groups, where p-value <0.05 was considered statistically significant. Effect modifiers i.e. the age, gender and ASA were controlled by stratification. The post stratification Chi-square test was applied keeping the p-value <0.05 as significant.Results: In Group A, 35% complained of severe pain, 42.5% had moderate pain, 22.5% had mild pain and no patients reported absence of pain as per our operational definition. In Group B 47.5% reported no pain during propofol injection, 40% complained of mild pain, 12.5% had moderate and no patients reported severe pain. The p-value is 0.00.Conclusion: Pretreatment with lidocaine resulted in significantly better pain control during propofol infusion than pretreatment with ephedrin

Effect of Despotic Leadership on Employee Turnover Intention: Mediating Toxic Workplace Environment and Cognitive Distraction in Academic Institutions

Despotic leadership builds adverse emotions and turnover intentions in the employees of an educational organization. This study investigated the relationships among despotic leadership, toxic workplace environment, cognitive distraction, and employee turnover intention. This study is based on social exchange theory (SET), social psychology theories of behavioral intention formation (such as the theory of reasoned action and the theory of planned behavior), and of the despotic leadership style. A survey questionnaire containing 28 items was completed by 240 faculty members from four Chinese universities. The responses were documented on a seven-point Likert scale. We applied PLS–SEM (partial least squares structural equation modeling) to measure the effects. The outcomes showed that despotic leadership influenced employee turnover intention in academic institutions. Toxic workplace environment correlates with employee turnover intention. Cognitive distraction also correlates with employee turnover intention. Toxic workplace environment mediates the relationship between despotic leadership and employee turnover intention. Similarly, cognitive distraction mediates the relationship between despotic leadership and employee turnover intention. The study concluded that despotic leadership, toxic workplace environment, and cognitive distraction might increase employee turnover intention. This study adds to the literature in the field of despotic leadership, toxic workplace environment, cognitive distraction, and employee turnover intention in academic institutions. Furthermore, it offers valuable and practical implications along with recommendations for future research

Effect of Despotic Leadership on Employee Turnover Intention : Mediating Toxic Workplace Environment and Cognitive Distraction in Academic Institutions

Despotic leadership builds adverse emotions and turnover intentions in the employees of an educational organization. This study investigated the relationships among despotic leadership, toxic workplace environment, cognitive distraction, and employee turnover intention. This study is based on social exchange theory (SET), social psychology theories of behavioral intention formation (such as the theory of reasoned action and the theory of planned behavior), and of the despotic leadership style. A survey questionnaire containing 28 items was completed by 240 faculty members from four Chinese universities. The responses were documented on a seven-point Likert scale. We applied PLS-SEM (partial least squares structural equation modeling) to measure the effects. The outcomes showed that despotic leadership influenced employee turnover intention in academic institutions. Toxic workplace environment correlates with employee turnover intention. Cognitive distraction also correlates with employee turnover intention. Toxic workplace environment mediates the relationship between despotic leadership and employee turnover intention. Similarly, cognitive distraction mediates the relationship between despotic leadership and employee turnover intention. The study concluded that despotic leadership, toxic workplace environment, and cognitive distraction might increase employee turnover intention. This study adds to the literature in the field of despotic leadership, toxic workplace environment, cognitive distraction, and employee turnover intention in academic institutions. Furthermore, it offers valuable and practical implications along with recommendations for future research.Peer reviewe

Effect of Despotic Leadership on Employee Turnover Intention : Mediating Toxic Workplace Environment and Cognitive Distraction in Academic Institutions

Despotic leadership builds adverse emotions and turnover intentions in the employees of an educational organization. This study investigated the relationships among despotic leadership, toxic workplace environment, cognitive distraction, and employee turnover intention. This study is based on social exchange theory (SET), social psychology theories of behavioral intention formation (such as the theory of reasoned action and the theory of planned behavior), and of the despotic leadership style. A survey questionnaire containing 28 items was completed by 240 faculty members from four Chinese universities. The responses were documented on a seven-point Likert scale. We applied PLS-SEM (partial least squares structural equation modeling) to measure the effects. The outcomes showed that despotic leadership influenced employee turnover intention in academic institutions. Toxic workplace environment correlates with employee turnover intention. Cognitive distraction also correlates with employee turnover intention. Toxic workplace environment mediates the relationship between despotic leadership and employee turnover intention. Similarly, cognitive distraction mediates the relationship between despotic leadership and employee turnover intention. The study concluded that despotic leadership, toxic workplace environment, and cognitive distraction might increase employee turnover intention. This study adds to the literature in the field of despotic leadership, toxic workplace environment, cognitive distraction, and employee turnover intention in academic institutions. Furthermore, it offers valuable and practical implications along with recommendations for future research.Peer reviewe