Modern information systems produce tremendous amounts of event data. The area of process mining deals with extracting knowledge from this data. Real-life processes can be effectively discovered, analyzed and optimized...
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In this paper, we propose a to-do list interface for sharing tasks between human and multiple agents including robots and software personal assistants. While much work on software architectures aims to achieve efficie...
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iTasks enables the rapid creation of multi-user web-applications by automatically generating form-based graphical userinterfaces (GUIs) for any first-order type. In some situations, however, form-based GUIs are not s...
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Scientists use both conceptual models and executable simulations to help them make sense of the world. Models and simulations each have unique affordances and limitations, and it is useful to leverage their affordance...
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The deep penetration of mobile phones offers cities the ability to opportunistically monitor citizens' mobility and use datadriven insights to better plan and manage services. In this context, transit operators ca...
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The proceedings contain 40 papers. The topics discussed include: adaptive visualization interface that manages user’s cognitive load based on interaction characteristics;a flip-book of edge-splatted small multiples f...
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ISBN:
(纸本)9781450327657
The proceedings contain 40 papers. The topics discussed include: adaptive visualization interface that manages user’s cognitive load based on interaction characteristics;a flip-book of edge-splatted small multiples for visualizing dynamic graphs;visualizing bag-of-features image categorization using anchored maps;parallel coordinates with data labels;generating reusable visual notations using model transformation;encapsulating interaction techniques of 3D language editors in visual patterns;interactive sand art drawing using Kinect;a time-based visualization for web user classification in social networks;mobile visualization supporting awareness in collaborative software development;developing useful visualizations of domestic energy usage;and towards a cognitive approach to user-centered visualization design and evaluation.
Falling prices have led to an ongoing spread of public displays in urban areas. Still, they mostly show passive content such as commercials and digital signage. At the same time, technological advances have enabled th...
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ISBN:
(纸本)9781450329521
Falling prices have led to an ongoing spread of public displays in urban areas. Still, they mostly show passive content such as commercials and digital signage. At the same time, technological advances have enabled the creation of interactive displays potentially increasing their attractiveness for the audience, e.g. through providing a platform for civic discourse. This poses considerable challenges, since displays need to communicate the opportunity to engage, motivate the audience to do so, and be easy to use. In this paper we present Vote With Your Feet, a hyperlocal public polling tool for urban screens allowing users to express their opinions. Similar to vox populi interviews on TV or polls on news websites, the tool is meant to reflect the mindset of the community on topics such as current affairs, cultural identity and local matters. It is novel in that it focuses on a situated civic discourse and provides a tangible userinterface, tackling the mentioned challenges. It shows one Yes/No question at a time and enables users to vote by stepping on one of two tangible buttons on the ground. This userinterface was introduced to attract people's attention and to lower participation barriers. Our field study showed that Vote With Your Feet is perceived as inviting and that it can spark discussions among co-located people.
With the emergence of new computing platforms, software written for traditional platforms is being re-targeted to reach the users on these new platforms. In particular, due to the proliferation of mobile computing dev...
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ISBN:
(纸本)9781450326452
With the emergence of new computing platforms, software written for traditional platforms is being re-targeted to reach the users on these new platforms. In particular, due to the proliferation of mobile computing devices, it is common practice for companies to build mobile-specific versions of their existing web applications to provide mobile users with a better experience. Because the differences between desk- Top and mobile versions of a web application are not only cosmetic, but can also include substantial rewrites of key components, it is not uncommon for these different versions to provide different sets of features. Whereas some of these differences are intentional, such as the addition of location- based features on mobile devices, others are not and can negatively affect the user experience, as confirmed by numerous user reports and complaints. Unfortunately, checking and maintaining the consistency of different versions of an application by hand is not only time consuming, but also error prone. To address this problem, and help developers in this difficult task, we propose an automated technique for matching features across different versions of a multi- platform web application. We implemented our technique in a tool, called FMAP, and used it to perform a preliminary empirical evaluation on nine real-world multi-platform web applications. The results of our evaluation are promising. FMAP was able to correctly identify missing features between desktop and mobile versions of a set of web applications, as confirmed by our analysis of user reports and software fixes for these applications. Copyright 2014 acm.
The understanding of applications is a must to design proper resource scheduling policies and a cost-effective design of a mobile device. Different from the past work on user behavior studies or user-oriented resource...
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ISBN:
(纸本)9781450324694
The understanding of applications is a must to design proper resource scheduling policies and a cost-effective design of a mobile device. Different from the past work on user behavior studies or user-oriented resource allocation, we are interested in the "behavior" analysis of applications in resource consumption for mobile devices. In particular, we propose a way to select indices to capture the characteristics of a mobile device and then a way to visualize its resource consumption. Example streaming applications, namely YouTube and Vimeo, are taken as a case study to show the "behaviors" of the streaming applications in consuming resources and their difference. We then show how to use the same methodology to explore the differences in resource consumption for some functionalities of some popular social-network applications, namely Facebook and Twitter. The study provides not only insights to the resource needs of applications but also potential directions in software optimization, such as energy efficiency and data caching. Copyright 2014 acm.
The proceedings contain 67 papers. The topics discussed include: instrumenting the crowd: using implicit behavioral measures to predict task performance;real-time crowd control of existing interfaces;crowds in two sec...
ISBN:
(纸本)9781450307161
The proceedings contain 67 papers. The topics discussed include: instrumenting the crowd: using implicit behavioral measures to predict task performance;real-time crowd control of existing interfaces;crowds in two seconds: enabling realtime crowd-powered interfaces;proactive wrangling: mixed-initiative end-user programming of data transformation scripts;MUSE: reviving memories using email archives;a design space analysis of availability-sharing systems;injured person information management during second triage;yelling in the hall: using sidetone to address a problem with mobile remote presence systems;a tongue input device for creating conversations;pause-and-play: automatically linking screencast video tutorials with applications;creating contextual help for GUIs using screenshots;ShowMeHow: translating userinterface instructions between applications;and searching for software learning resources using application context.
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