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Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services最新文献

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AlertnessScanner AlertnessScanner
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434.3229456
V. W. Tseng, Saeed Abdullah, J. Costa, Tanzeem Choudhury
{"title":"AlertnessScanner","authors":"V. W. Tseng, Saeed Abdullah, J. Costa, Tanzeem Choudhury","doi":"10.1145/3229434.3229456","DOIUrl":"https://doi.org/10.1145/3229434.3229456","url":null,"abstract":"Alertness is a crucial component of our cognitive performance. Reduced alertness can negatively impact memory consolidation, productivity and safety. As a result, there has been an increasing focus on continuous assessment of alertness. The existing methods usually require users to wear sensors, fill out questionnaires, or perform response time tests periodically, in order to track their alertness. These methods may be obtrusvie to some users, and thus have limited capability. In this work, we propose AlertnessScanner, a computer-vision-based system that collects in-situ pupil information to model alertness in the wild. We conducted two in-the-wild studies to evaluate the effectiveness of our solution, and found that AlertnessScanner passively and unobtrusively assess alertness. We discuss the implications of our findings and present opportunities for mobile applications that measure and act upon changes in alertness.","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124892510","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
Multiplexing spatial memory: increasing the capacity of FastTap menus with multiple tabs 多路空间记忆:增加快捷菜单与多个选项卡的容量
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434.3229482
Varun Gaur, Md. Sami Uddin, C. Gutwin
{"title":"Multiplexing spatial memory: increasing the capacity of FastTap menus with multiple tabs","authors":"Varun Gaur, Md. Sami Uddin, C. Gutwin","doi":"10.1145/3229434.3229482","DOIUrl":"https://doi.org/10.1145/3229434.3229482","url":null,"abstract":"The capacity of spatial multi-touch menus such as FastTap is limited by device screen size. We explore the idea of using multiple tabs to increase capacity - multiplexing the tablet's screen space so each location holds multiple items. Earlier work has shown potential of this idea for smartwatches, but no evaluations have considered larger devices. To assess issues with interference-based errors and spatial memory development, we built two FastTap systems with multiple tabs and conducted two studies. We first tested user learning of 16 targets with a training game, and found that participants easily adapted to the multi-tab model, were able to perform memory-based shortcuts, and made few interference-based errors. The second study used realistic drawing tasks and showed that people successfully used the multi-tab FastTap system, with 88% of selections made using shortcuts by the study's end. Our work demonstrates that spatial memory can successfully be multiplexed, and that tabs are a promising way to increase command set sizes for spatial interfaces.","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121873407","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: 7
Dismissed! 驳回了!
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434.3229445
Martin Pielot, Amalia Vradi, Souneil Park
{"title":"Dismissed!","authors":"Martin Pielot, Amalia Vradi, Souneil Park","doi":"10.1145/3229434.3229445","DOIUrl":"https://doi.org/10.1145/3229434.3229445","url":null,"abstract":"We analyzed 794,525 notifications from 278 mobile phone users and how they were handled. Our study advances prior analyses in two ways: first, we systematically split notifications into five categories, including a novel separation of messages into individual- and group messages. Second, we conduct a comprehensive analysis of the behaviors involved in attending the notifications. Our participants received a median number of 56 notifications per day, which does not indicate that the number of notifications has increased over the past years. We further show that messaging apps create most of the notifications, and that other types of notifications rarely lead to a conversion (rates between ca. 15 and 25%). A surprisingly large fraction of notifications is received while the phone is unlocked or the corresponding app is in foreground, hinting at possibility to optimize for this scenario. Finally, we show that the main difference in handling notifications is how long users leave them unattended if they will ultimately not consume them.","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122095668","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: 42
Augmenting bicycles and helmets with multimodal warnings for children 增加自行车和头盔，为儿童提供多模式警告
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434.3229479
A. Matviienko, S. Ananthanarayan, Shadan Sadeghian Borojeni, Yannick Feld, Wilko Heuten, Susanne CJ Boll
{"title":"Augmenting bicycles and helmets with multimodal warnings for children","authors":"A. Matviienko, S. Ananthanarayan, Shadan Sadeghian Borojeni, Yannick Feld, Wilko Heuten, Susanne CJ Boll","doi":"10.1145/3229434.3229479","DOIUrl":"https://doi.org/10.1145/3229434.3229479","url":null,"abstract":"Child cyclists are often at greater risk for traffic accidents. This is in part due to the development of children's motor and perceptual-motor abilities. To facilitate road safety for children, we explore the use of multimodal warning signals to increase their awareness and prime action in critical situations. We developed a bicycle simulator instrumented with these signals and conducted two controlled experiments. We found that participants spent significantly more time perceiving visual than auditory or vibrotactile cues. Unimodal signals were the easiest to recognize and suitable for encoding directional cues. However, when priming stop actions, reaction time was shorter when all three modalities were used simultaneously. We discuss the implications of these outcomes with regard to design of safety systems for children and their perceptual-motor learning.","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129213868","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: 48
Auto-switching list search interface for touchscreen smartwatches 自动切换列表搜索界面的触摸屏智能手表
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434.3229471
J. Jung, Sangyoon Lee, Sunggeun Ahn, Geehyuk Lee
{"title":"Auto-switching list search interface for touchscreen smartwatches","authors":"J. Jung, Sangyoon Lee, Sunggeun Ahn, Geehyuk Lee","doi":"10.1145/3229434.3229471","DOIUrl":"https://doi.org/10.1145/3229434.3229471","url":null,"abstract":"As smartwatch functions expand, target selection among many items will probably become a common task. List search interfaces (LSIs) for a smartwatch use a prefix matching query to search for items, and need two modes because of the small screen size: query input mode and list navigation mode. Despite the modes, LSIs may be more efficient than list interfaces (LIs), which involve no text querying, for large pools. Actually, we could show that the LSI outperformed the LI for pool sizes over 60. However, we also found that the LSI users experience overhead when deciding whether to switch the modes or not. To reduce the overhead, we designed two auto-switching LSIs: input-length-based auto-switching LSI (IA-LSI) and list-size-based auto-switching LSI (LA-LSI). We could show both auto-switching LSIs outperformed the conventional LSI for pool sizes over 60. We also conducted experiments with the auto-switching LSIs for various pool sizes, and provided their results and guidelines for the optimal switching criteria for the LSIs.","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131434718","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
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services 第20届移动设备与服务人机交互国际会议论文集
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434
{"title":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","authors":"","doi":"10.1145/3229434","DOIUrl":"https://doi.org/10.1145/3229434","url":null,"abstract":"","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131094884","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
GATO 猫
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434.3229478
Luis A. Leiva, Daniel Martín-Albo, Radu-Daniel Vatavu
{"title":"GATO","authors":"Luis A. Leiva, Daniel Martín-Albo, Radu-Daniel Vatavu","doi":"10.1145/3229434.3229478","DOIUrl":"https://doi.org/10.1145/3229434.3229478","url":null,"abstract":"We introduce GATO, a human performance analysis technique grounded in the Kinematic Theory that delivers accurate predictions for the expected user production time of stroke gestures of all kinds: unistrokes, multistrokes, multitouch, or combinations thereof. Our experimental results obtained on several public datasets (82 distinct gesture types, 123 participants, ≈36k gesture samples) show that GATO predicts user-independent gesture production times that correlate rs > .9 with groundtruth, while delivering an average relative error of less than 10% with respect to actual measured times. With its accurate estimations of users' a priori time performance with stroke gesture input, GATO will help researchers to understand better users' gesture articulation patterns on touchscreen devices of all kinds. GATO will also benefit practitioners to inform highly effective gesture set designs.","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114476803","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: 3
Toward "JOMO": the joy of missing out and the freedom of disconnecting 走向“JOMO”:错过的快乐和断开连接的自由
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434.3229468
Julieta Aranda, S. Baig
{"title":"Toward \"JOMO\": the joy of missing out and the freedom of disconnecting","authors":"Julieta Aranda, S. Baig","doi":"10.1145/3229434.3229468","DOIUrl":"https://doi.org/10.1145/3229434.3229468","url":null,"abstract":"We took an ethnographic approach to explore the continuum between excessive smartphone use and healthy disconnection. We conducted a qualitative mixed-methods study in Switzerland and the United States to understand the nature of the problem, how it evolves, the workarounds that users employ to disconnect, and their experience of smartphone disconnection. We discussed two negative behavioral cycles: an internal experience of habit and excessive use, and an externally reinforced cycle of social obligation. We presented a taxonomy of non-use based on the dimensions of time and user level of control. We highlighted 3 potential areas for solutions around short-term voluntary disconnection and describe recommendations for how the mobile industry and app developers can address this issue.","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"91 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124726819","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: 48
Analyzing mobile application usage: generating log files from mobile screen recordings 分析移动应用程序使用情况:从手机屏幕记录生成日志文件
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434.3229450
Philipp Krieter, A. Breiter
{"title":"Analyzing mobile application usage: generating log files from mobile screen recordings","authors":"Philipp Krieter, A. Breiter","doi":"10.1145/3229434.3229450","DOIUrl":"https://doi.org/10.1145/3229434.3229450","url":null,"abstract":"Logging mobile application usage on smartphones is limited to rather general system events unless one has access to the operating system's or applications' source code. In this paper, we present a method for analyzing mobile application usage in detail by generating log files based on mobile screen output. We are combining long-term log file analysis and short-term screen recording analysis by utilizing existing computer vision and machine learning methods. To validate the log results of our approach and implementation we collect 118 sample screen recordings of phone usage sessions and evaluate the resulting log file manually. Besides that, we explore the performance of our approach with different video quality parameters: frame rate and bit rate. We show that our method provides detailed data about application use and can work with low-quality video under certain circumstances.","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125386593","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: 19
BubbleFlick BubbleFlick
Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services Pub Date : 2018-09-03 DOI: 10.1145/3229434.3229455
Takaki Tojo, T. Kato, Seiichiro Yamamoto
{"title":"BubbleFlick","authors":"Takaki Tojo, T. Kato, Seiichiro Yamamoto","doi":"10.1145/3229434.3229455","DOIUrl":"https://doi.org/10.1145/3229434.3229455","url":null,"abstract":"We propose BubbleFlick, an effective interface for Japanese text entry on smartwatches. While various ideas have been proposed to provide easy and fast text entry for the Latin alphabet, Japanese text entry has additional challenges such as having more than fifty syllabary characters, or kana, to enter and the subsequent kana-kanji conversion, which translates a sequence of the syllabary characters into a standard expression with a mixture of kanji and kana characters. This paper focuses on interfaces for entry of kana syllabary characters. We designed and prototyped three interfaces: 1) Japanese kana syllabary keyboard, 2) Dial&Flick interface, and 3) DualBelts interface. Through a comparative pilot study of the prototypes, we refined the most promising Dial&Flick interface into BubbleFlick. BubbleFlick provides the widest possible area for easy flick operations while also leaving an area for editing text. We conducted a 30-day consecutive user study on BubbleFlick in comparison with Google's latest Japanese text-entry method based on a numeric keypad. After thirty days, BubbleFlick showed a text-entry speed of over 35 characters per minute, which was comparable to Google's numeric-keypad-based method for novice participants. Through the user study, BubbleFlick showed a lower error rate and gave us informative hints for further improvement.","PeriodicalId":344738,"journal":{"name":"Proceedings of the 20th International Conference on Human-Computer Interaction with Mobile Devices and Services","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126438733","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: 3
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