Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing最新文献

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CityProphet: city-scale irregularity prediction using transit app logs CityProphet:使用交通应用程序日志进行城市规模的不规则预测
Tatsuya Konishi, Mikiya Maruyama, K. Tsubouchi, M. Shimosaka
{"title":"CityProphet: city-scale irregularity prediction using transit app logs","authors":"Tatsuya Konishi, Mikiya Maruyama, K. Tsubouchi, M. Shimosaka","doi":"10.1145/2971648.2971718","DOIUrl":"https://doi.org/10.1145/2971648.2971718","url":null,"abstract":"Thanks to the recent popularity of GPS-enabled mobile phones, modeling people flow or population dynamics is attracting a great deal of attention. Advances in methods where regular population patterns with respect to factors such as holidays or weekdays are extracted have provided successful results in irregularity detection. With large-scale crowded events such as fireworks, it is crucial that there be enough time to take countermeasures against the irregular congestion, i.e., irregularity prediction. It remains a tough challenge to predict population from GPS trace logs with existing methods. To tackle this problem, we focus here on route search logs, since aggregation of the location-oriented queries of individual plans serves as a mirror of short-term city-scale events, in contrast to GPS mobility logs. This paper presents a brand new framework for city-scale event prediction: CityProphet. By our observation of data where the route search logs related to a future event are in most cases repeatable and accumulated in proportion as the event draws near, we are able to leverage the divergence between the above two properties to predict city-scale irregular events. We demonstrate through experiments using the transit app logs of over 370 million queries that our approach can successfully predict city-scale crowded events one week in advance.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129433862","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: 43
Interactive worker assistance: comparing the effects of in-situ projection, head-mounted displays, tablet, and paper instructions 互动式工作人员协助:比较现场投影、头戴式显示器、平板电脑和纸质指示的效果
Markus Funk, T. Kosch, A. Schmidt
{"title":"Interactive worker assistance: comparing the effects of in-situ projection, head-mounted displays, tablet, and paper instructions","authors":"Markus Funk, T. Kosch, A. Schmidt","doi":"10.1145/2971648.2971706","DOIUrl":"https://doi.org/10.1145/2971648.2971706","url":null,"abstract":"With increasing complexity of assembly tasks and an increasing number of product variants, instruction systems providing cognitive support at the workplace are becoming more important. Different instruction systems for the workplace provide instructions on phones, tablets, and head-mounted displays (HMDs). Recently, many systems using in-situ projection for providing assembly instructions at the workplace have been proposed and became commercially available. Although comprehensive studies comparing HMD and tablet-based systems have been presented, in-situ projection has not been scientifically compared against state-of-the-art approaches yet. In this paper, we aim to close this gap by comparing HMD instructions, tablet instructions, and baseline paper instructions to in-situ projected instructions using an abstract Lego Duplo assembly task. Our results show that assembling parts is significantly faster using in-situ projection and locating positions is significantly slower using HMDs. Further, participants make less errors and have less perceived cognitive load using in-situ instructions compared to HMD instructions.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128648659","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: 160
Domain adaptation methods for improving lab-to-field generalization of cocaine detection using wearable ECG 改进可穿戴ECG可卡因检测实验室到现场泛化的领域自适应方法
A. Natarajan, G. Angarita, Edward Gaiser, R. Malison, Deepak Ganesan, Benjamin M Marlin
{"title":"Domain adaptation methods for improving lab-to-field generalization of cocaine detection using wearable ECG","authors":"A. Natarajan, G. Angarita, Edward Gaiser, R. Malison, Deepak Ganesan, Benjamin M Marlin","doi":"10.1145/2971648.2971666","DOIUrl":"https://doi.org/10.1145/2971648.2971666","url":null,"abstract":"Mobile health research on illicit drug use detection typically involves a two-stage study design where data to learn detectors is first collected in lab-based trials, followed by a deployment to subjects in a free-living environment to assess detector performance. While recent work has demonstrated the feasibility of wearable sensors for illicit drug use detection in the lab setting, several key problems can limit lab-to-field generalization performance. For example, lab-based data collection often has low ecological validity, the ground-truth event labels collected in the lab may not be available at the same level of temporal granularity in the field, and there can be significant variability between subjects. In this paper, we present domain adaptation methods for assessing and mitigating potential sources of performance loss in lab-to-field generalization and apply them to the problem of cocaine use detection from wearable electrocardiogram sensor data.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127620125","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: 31
Probing the interconnections between geo-exploration and information exploration behavior 探讨地质勘探与信息勘探行为之间的联系
Dongho Choi, C. Shah, Vivek K. Singh
{"title":"Probing the interconnections between geo-exploration and information exploration behavior","authors":"Dongho Choi, C. Shah, Vivek K. Singh","doi":"10.1145/2971648.2971694","DOIUrl":"https://doi.org/10.1145/2971648.2971694","url":null,"abstract":"As increasingly diverse facets of human life - including socializing, exercising, and information-seeking - are mediated by ubiquitous technology, they open the doors for the study of the hitherto under-explored interconnections between them. This work motivates and grounds the use of geo-exploration data to predict the information exploration behavior of users and to support their search. Based on a two-week field study involving 35 participants, we have identified multiple geo-exploration features that have significant associations with a user's information exploration behavior. We also found that the same geo-exploration features could be combined to build predictive models for various facets of an individual's information exploration behavior, and these models performed significantly better than comparable personality-based models.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116914909","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: 9
Emotion technology, wearables, and surprises 情感技术、可穿戴设备和惊喜
Rosalind W. Picard
{"title":"Emotion technology, wearables, and surprises","authors":"Rosalind W. Picard","doi":"10.1145/2971648.2990469","DOIUrl":"https://doi.org/10.1145/2971648.2990469","url":null,"abstract":"Could we help people have healthier lives and better experiences if computers could measure and help communicate our emotion? Years ago, my students at MIT and I began to design, build, and test both wearable and other sensors for recognizing emotion. We designed studies, gathered data, and developed signal processing and machine learning techniques to see what could be reliably extracted. In this talk I will highlight several of the most surprising findings during this adventure. These include new insights about the \"true smile of happiness,\" discovering that regular cameras (and your smartphone, even in your handbag) can compute some of your biosignals, finding electrical signals on the wrist that give insight into deep brain activity, and learning surprising implications of wearable sensing for autism, anxiety, depression, sleep-memory consolidation, epilepsy, and more.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"32 9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134579442","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
Shining (blue) light on creative ability 在创造能力上闪耀着(蓝色)光芒
Saeed Abdullah, M. Czerwinski, G. Mark, Paul Johns
{"title":"Shining (blue) light on creative ability","authors":"Saeed Abdullah, M. Czerwinski, G. Mark, Paul Johns","doi":"10.1145/2971648.2971751","DOIUrl":"https://doi.org/10.1145/2971648.2971751","url":null,"abstract":"Given the importance of creativity for both personal and societal achievements, there have been consistent efforts to stimulate creative ability. But an important environmental factor --- blue (i.e., short wavelength) light --- has been relatively unexplored to date. Blue light improves a number of cognitive processes (e.g., attention, working memory and sleep) known to influence our creative abilities. In this study, we investigate the effects of blue light on enhancing creativity in tasks and compare it to the effects of walking, which has been shown to stimulate creative ability. Based on data from 21 participants over 2 weeks, we found that blue light resulted in a 24.3% increase in convergent thinking ability, while walking improved divergent thinking by 18%. We discuss the implications of the findings within the context of UbiComp research. To the best of our knowledge, this is the first systematic examination of the impact of blue light on convergent and divergent thinking ability.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124338828","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: 17
TalkLIME: mobile system intervention to improve parent-child interaction for children with language delay TalkLIME:移动系统干预,改善语言迟缓儿童的亲子互动
Seokwoo Song, Seungho Kim, John Kim, Wonjeong Park, Dongsun Yim
{"title":"TalkLIME: mobile system intervention to improve parent-child interaction for children with language delay","authors":"Seokwoo Song, Seungho Kim, John Kim, Wonjeong Park, Dongsun Yim","doi":"10.1145/2971648.2971650","DOIUrl":"https://doi.org/10.1145/2971648.2971650","url":null,"abstract":"Parent-training is commonly used to support intervention of children with language delay. Unfortunately, parents find it difficult to apply the training to their child in everyday life and often give up on their parent-child interaction. In this work, we propose and evaluate TalkLIME -- a mobile system that provides real-time feedback to improve the parent-child interaction and reinforce parent-training intervention. We first conduct a survey to understand parents' feedback preference for the mobile system and determine that a non-invasive feedback using the mobile phones screen is preferable. TalkLIME was developed to provide real-time feedback through the mobile phone screen while also providing motivation to the parents to consistently continue parent-child interaction through both short-term and long-term goals. A six-weeks user study was conducted with eight parents and their children with language delay. Our results show that the experimental group who used TalkLIME showed a significant improvement in the child's initiation ratio, an important metric in the language development of children.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116916754","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: 21
In-situ investigation of notifications in multi-device environments 多设备环境下通知的现场调查
Dominik Weber, Alexandra Voit, Philipp Kratzer, N. Henze
{"title":"In-situ investigation of notifications in multi-device environments","authors":"Dominik Weber, Alexandra Voit, Philipp Kratzer, N. Henze","doi":"10.1145/2971648.2971732","DOIUrl":"https://doi.org/10.1145/2971648.2971732","url":null,"abstract":"Smart devices have arrived in our everyday lives. Being able to notify the user about events is a core feature of these devices. Related work investigated interruptions caused by notifications on single devices. In this paper, we investigate notifications in multi-device environments by analyzing the results of a week-long in-situ study with 16 participants. We used the Experience Sampling Method (ESM) and recorded the participants' interaction with smartphones, smartwatches, tablets and PCs. Disregarding the type or content of notifications, we found that the smartphone is the preferred device on which to be notified. Further, we found that the proximity to the device, whether it is currently being used and the user's current location can be used to predict if the user wants to receive notifications on a device. The findings can be used to design future multi-device aware smart notification systems.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116854573","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: 60
AirSense: an intelligent home-based sensing system for indoor air quality analytics AirSense:用于室内空气质量分析的智能家庭传感系统
Biyi Fang, Qiumin Xu, Taiwoo Park, Mi Zhang
{"title":"AirSense: an intelligent home-based sensing system for indoor air quality analytics","authors":"Biyi Fang, Qiumin Xu, Taiwoo Park, Mi Zhang","doi":"10.1145/2971648.2971720","DOIUrl":"https://doi.org/10.1145/2971648.2971720","url":null,"abstract":"In the U.S., people spend approximately 90 percent of their time indoors. Unfortunately, indoor air quality (IAQ) may be two to five times worse than the air outdoors, and is often overlooked. Existing IAQ monitoring technologies focus on IAQ measurements and visualization. However, the lack of information about the pollution sources as well as the seriousness of the pollution makes people feel powerless and frustrated, resulting in the ignorance of the polluted air at their homes. In this work, we fill this critical gap by presenting AirSense, an intelligent home-based IAQ sensing system that is able to automatically detect pollution events, identify pollution sources, estimate personal exposure to indoor air pollution, and provide actionable suggestions to help people improve IAQ. We have deployed AirSense at five homes to evaluate its performance and investigate how users interact with it. We demonstrate that AirSense can accurately detect pollution events, identify pollution sources, and forecast IAQ information within five minutes in both controlled and real-world settings. We further show the great potential of AirSense in increasing users' awareness of IAQ and helping them better manage IAQ at their homes.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117353751","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: 47
SpotGarbage: smartphone app to detect garbage using deep learning SpotGarbage:使用深度学习检测垃圾的智能手机应用程序
Gaurav Mittal, Kaushal B. Yagnik, Mohit Garg, N. C. Krishnan
{"title":"SpotGarbage: smartphone app to detect garbage using deep learning","authors":"Gaurav Mittal, Kaushal B. Yagnik, Mohit Garg, N. C. Krishnan","doi":"10.1145/2971648.2971731","DOIUrl":"https://doi.org/10.1145/2971648.2971731","url":null,"abstract":"Maintaining a clean and hygienic civic environment is an indispensable yet formidable task, especially in developing countries. With the aim of engaging citizens to track and report on their neighborhoods, this paper presents a novel smartphone app, called SpotGarbage, which detects and coarsely segments garbage regions in a user-clicked geo-tagged image. The app utilizes the proposed deep architecture of fully convolutional networks for detecting garbage in images. The model has been trained on a newly introduced Garbage In Images (GINI) dataset, achieving a mean accuracy of 87.69%. The paper also proposes optimizations in the network architecture resulting in a reduction of 87.9% in memory usage and 96.8% in prediction time with no loss in accuracy, facilitating its usage in resource constrained smartphones.","PeriodicalId":303792,"journal":{"name":"Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130330646","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: 169
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