2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)最新文献

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Extracting Semantics of Indoor Places based on Context Recognition 基于上下文识别的室内场所语义提取
G. Pipelidis, Frederik Fraaz, C. Prehofer
{"title":"Extracting Semantics of Indoor Places based on Context Recognition","authors":"G. Pipelidis, Frederik Fraaz, C. Prehofer","doi":"10.1109/PERCOMW.2018.8480187","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480187","url":null,"abstract":"In this paper we present our work in progress for the dynamic extraction of semantics in a subway station, from smart-phone Inertial Motion Unit (IMU) data. For this, we use machine learning for context recognition and fuzzy set theory for quantification of the uncertainty. Our architecture is client-server, where the clients collect data from sensors, extract features and use classification to identify seven different activities, while these activities are then aggregated on the server with other user activities, from the same regions, to enable the semantic identification of places.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129984885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Probability of Task Completion and Energy Consumption in Cooperative Pervasive Mobile Computing 协同普适移动计算中任务完成概率与能量消耗
D. V. Le, Thuong Nguyen, H. Scholten, P. Havinga
{"title":"Probability of Task Completion and Energy Consumption in Cooperative Pervasive Mobile Computing","authors":"D. V. Le, Thuong Nguyen, H. Scholten, P. Havinga","doi":"10.1109/PERCOMW.2018.8480135","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480135","url":null,"abstract":"It is challenging for multiple smartphones to complete a given task in large-scale pervasive sensing systems cooperatively. Sensing paradigms such as opportunistic sensing, participatory sensing, and hybrid sensing have been used for smartphones to work together seamlessly under different contexts. However, these existing paradigms do not incorporate the energy problem and sharing sensory resources of applications. In this paper, we revisit sensing paradigms regarding the probability of task completion and energy consumption for smartphones to cooperatively complete a sensing task. In addition, we propose a symbiotic sensing paradigm that can significantly save smartphone batteries while maintaining equivalent performance to existing paradigms, provided that the smartphones allow applications to share sensing resources. We also quantitatively evaluate our probabilistic models with a realistic case study. This work is a useful aid to designing and evaluating large-scale smartphone-based sensing systems before deployment, which saves money and effort.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124354646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Impact of Physical Activities on the Physiological Response to Emotions 体育活动对情绪生理反应的影响
Judith S. Heinisch, I. Hübener, K. David
{"title":"The Impact of Physical Activities on the Physiological Response to Emotions","authors":"Judith S. Heinisch, I. Hübener, K. David","doi":"10.1109/PERCOMW.2018.8480086","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480086","url":null,"abstract":"Despite the advantages of using physiological sensors to collect emotion data, emotion recognition systems using physiological signals such as Electrodermal Activity (EDA), Electrocardiogram (ECG) or Electromyography (EMG) are mainly tested in controlled environments or under laboratory conditions. The use of physiological data in real-world scenarios has not been widely investigated. One of the main issues of using physiological data from real-world scenarios is that the data may also be influenced by movement and in some cases, the physiological response to emotions can be even confused with the one due to physical activities, such as walking or running. In this paper, we investigate the impact of physical activities in the recognition of emotions and provide new insights on how emotion data from physiological sensors are affected by these activities. We use two scenarios (one with and one without the influence of physical movement) to investigate the effect of physical activities in the Blood Volume Pulse (BVP) and the Skin Temperature (TMP) signals. To overcome these issues we used a random forest algorithm to model both scenarios. Our results show that by combining emotion data from both scenarios, we can achieve a recognition accuracy of up to 96%.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121277274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Towards Comprehensible Explanations of Phenomena in Home Automation Systems 迈向家庭自动化系统现象的可理解解释
Matthäus Wander, V. Matkovic, Torben Weis, Michael Bischof, Lorenz Schwittmann
{"title":"Towards Comprehensible Explanations of Phenomena in Home Automation Systems","authors":"Matthäus Wander, V. Matkovic, Torben Weis, Michael Bischof, Lorenz Schwittmann","doi":"10.1109/PERCOMW.2018.8480147","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480147","url":null,"abstract":"The current focus in home automation is on making these systems smart and easy to install. Following advances in the area of smart assistants like Alexa and Google Home, we assume that users will not only issue commands to their smart home. They will ask their smart home for explanations why something happened. Hence, we develop and evaluate an algorithm that can explain users why a certain observable phenomenon occured. These questions can originate in the complexity of smart home systems, i.e., the system did something unexpected and the users wonders what caused it. Furthermore, users might ask the system about phenomena caused by their roommates. To evaluate our prototype, we analyze the difference between answers given by humans and those generated by our prototype. Therefore, we conducted an Amazon Mechanical Turk-based Turing Test. In four out of six scenarios our prototype passed the Turing Test. In one of them the computer answer appeared even more human than the real human one.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115208378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
BluMoon: Bluetooth Low Energy Emulation System with Software-Implemented Controller 软件实现控制器的蓝牙低功耗仿真系统
Tsubasa Yumura, Kunio Akashi, Tomoya Inoue
{"title":"BluMoon: Bluetooth Low Energy Emulation System with Software-Implemented Controller","authors":"Tsubasa Yumura, Kunio Akashi, Tomoya Inoue","doi":"10.1109/PERCOMW.2018.8480294","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480294","url":null,"abstract":"In the Internet of Things (IoT), Bluetooth Low Energy (BLE) plays the important role of providing a path between a terminal device and a gateway. For the development of BLE applications, testing is important; however, two major problems exist in that physical device preparation is costly and replay testing is difficult. To avoid these problems, we propose a novel approach to BLE application testing that employs emulation using the newly designed BluMoon architecture, which is a BLE emulation system with utilization software. The BluMoon emulation system design follows the communication model of actual BLE. However, BluMoon uses software-implemented pseudo controllers instead of physical controllers. Interaction with remote devices is emulated through exchange of virtual packets, where each virtual packet encapsulates an entire BLE link layer packet format in its payload. Here, we implement a pseudo controller with an advertising function, establishing a connection and exchanging data. We also evaluate the BluMoon implementation performance and measure the resource usage at BluMoon execution, the received packet loss rate, and the response time of HCI command execution. The results show that BluMoon exhibits performance satisfactory for practical application, for all measured items.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130697425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Efficient Scheduling of Multiple Data Transfers in Mobile Applications 移动应用程序中多个数据传输的高效调度
V. Kalogeraki, Giannis Tzouros
{"title":"Efficient Scheduling of Multiple Data Transfers in Mobile Applications","authors":"V. Kalogeraki, Giannis Tzouros","doi":"10.1109/PERCOMW.2018.8480319","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480319","url":null,"abstract":"Over the last decade wireless data streaming has progressively become an important aspect of our life. However, the lack of appropriate mechanisms to handle wireless network disruptions and delays, causes mobile applications to frequently suffer from unstable wireless connectivity, which makes data streaming particularly challenging leading to unstable streaming rates, long delays and often network failures. This paper proposes a framework that utilizes performance monitoring, machine learning and scheduling techniques to effectively schedule data streaming for mobile applications. The framework monitors the current network conditions through a set of performance metrics and evaluates its availability using a machine learning approach. To meet real-time performance objectives, if the network is characterized eligible for streaming, we use a deadline-first scheduling order for the data streaming. Our experimental evaluation, using different network traffic scenarios, illustrates the performance and benefits of the approach proposed.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121439912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Automatic Imputation of Missing Highway Traffic Volume Data 公路交通量缺失数据的自动补全
Mohamed Elshenawy, M. El-Darieby, B. Abdulhai
{"title":"Automatic Imputation of Missing Highway Traffic Volume Data","authors":"Mohamed Elshenawy, M. El-Darieby, B. Abdulhai","doi":"10.1109/PERCOMW.2018.8480120","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480120","url":null,"abstract":"Automatic data imputation is often needed in cyber-physical systems to enhance the quality of incomplete datasets produced by sensors. Existing methods require significant modeling and analysis efforts at each sensor location which hinders their applicability in large-scale systems. This paper presents an automatic approach to selecting and estimating autoregressive integrated moving average models for traffic volume imputation. We study real-life data collected from around 1030 sensors distributed along major highways in Toronto, Canada. We study the characteristics of missing data in order to provide measures for the quality of data collected. The proposed method estimates missing traffic volume data for any sensor from its own observed values. Results show that the proposed procedure can estimate short and mid-sized gaps (less than one week) with an accuracy that ranges between 7 and 25%.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122170846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
A Comprehensive Comparison of Commercial Wrist- Worn Trackers in a Young Cohort in a Lab- Environment 商用腕带追踪器在实验室环境中对年轻人群的综合比较
Salvatore Tedesco, Marco Sica, Thomas Garbay, J. Barton, B. O’flynn
{"title":"A Comprehensive Comparison of Commercial Wrist- Worn Trackers in a Young Cohort in a Lab- Environment","authors":"Salvatore Tedesco, Marco Sica, Thomas Garbay, J. Barton, B. O’flynn","doi":"10.1109/PERCOMW.2018.8480386","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480386","url":null,"abstract":"In today’s society, the use of watch-based technology is growing steadily and is being used in a wide range of applications and on different aspects of the user’s life, from sport and fitness measurement, to entertainment and healthcare evaluation. Considering the multiple application fields for smartwatch/wristbands and their potential adoption in precision medicine applications, it is thus critical to investigate the performance and accuracy of these devices in different potential scenarios of interest. textbfThis study investigated the performance and accuracy of a variety of commercially available activity trackers as regards the estimation of stepcount, distance, and heart rate in a number of walking/household/sedentary activities typical in everyday life, and recreated in a lab-environment in a study population of young adults. Results show that heart rate and stepcount measurements are accurate but unstandardized activities, such as common domestic or leisure tasks, may cause large errors in some devices. Finally, travelled distance can also represent a quantification challenge when climbing up/downstairs. This preliminary work will support the next phase of the project whose goal is to evaluate elderly subjects in lab- and freeliving environments in an ambient assisted living context.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126639389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Lightweight M2M protocol: Archetyping an IoT device, and deploying an upgrade architecture 轻量级M2M协议:原型化物联网设备,并部署升级架构
I. F. Trentin, Samuel Berlemont, D. Barone
{"title":"Lightweight M2M protocol: Archetyping an IoT device, and deploying an upgrade architecture","authors":"I. F. Trentin, Samuel Berlemont, D. Barone","doi":"10.1109/PERCOMW.2018.8480313","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480313","url":null,"abstract":"The Internet of Things (IoT) is made up of billions [1] of connected devices worldwide, with different lifecycle profiles. This engineering project explores lifecycle management solutions through the study of two IoT open-source projects, analyzing a newly published communication protocol – the Lightweight Machine-to-Machine (LwM2M) – and a multiprotocol software update project named HawkBit. As a first step, a LwM2M IoT device archetype is created, so as to explore the protocol and its functionalities, in particular the firmware update. In a second step, a firmware upgrade campaign is simulated in order to analyze the behavior and limitations of both solutions.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126766478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Billing Models for Public Displays in Smart Cities 智慧城市公共展示的计费模型
J. Naber, Dominik Schäfer, C. Becker
{"title":"Billing Models for Public Displays in Smart Cities","authors":"J. Naber, Dominik Schäfer, C. Becker","doi":"10.1109/PERCOMW.2018.8480284","DOIUrl":"https://doi.org/10.1109/PERCOMW.2018.8480284","url":null,"abstract":"Pervasive applications support people in various situations. In smart cities additional infrastructure, like public displays, extends the functionality of pervasive applications. Even though, public display technology is available and is also adopted by users, they are not present in smart cities with few exceptions. We identified the lack of financial incentives and cost transparencies as the main issues to deploy displays in public places. In this paper, we present smart city displays, our vision to launch interactive public displays on a large scale. We discuss influence factors and derive requirements for our system design. Further, we develop a comprehensive billing model, which consists of multiple strategies and identify hybrid billing solutions for complex scenarios.","PeriodicalId":190096,"journal":{"name":"2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)","volume":"8 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127057045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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