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- extended-abstractMay 2012
How can a DSL for expert end-users be designed for better usability?: a case study in computer music
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2673–2678https://doi.org/10.1145/2212776.2223855Programming languages have been rarely discussed from the perspective of user-centered design when compared to GUIs or Human Interface Devices. We de-scribe our case study in user-centered design of a do-main-specific language (DSL) for computer music. ...
- extended-abstractMay 2012
Watching you moving the mouse, i know who you are
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2661–2666https://doi.org/10.1145/2212776.2223853Previous research on modeling human's pointing behavior focuses on user-independent variables such as target width and distance. In this work-in-progress, we investigate a set of user-dependent variables, which are drawn from cursor trajectory data and ...
- extended-abstractMay 2012
Enhancing web page skimmability
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2655–2660https://doi.org/10.1145/2212776.2223852Information overload on the Web and limited reading time force users to skim read web pages. For non-native English readers, it is challenging to understand first-hand information written in English under time constraints. Traditional readability ...
- extended-abstractMay 2012
Exploring infrastructure assemblage in volunteer virtual organizations
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2649–2654https://doi.org/10.1145/2212776.2223851This ongoing research project investigates ad-hoc infrastructure development in volunteer virtual organizations (VVOs). A comparative analysis of the tool appropriation of VVO activity among alternate reality game (ARG) players in three cities yielded ...
- extended-abstractMay 2012
Effects of input device familiarity on content creation and sharing in meetings
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2643–2648https://doi.org/10.1145/2212776.2223850In co-located meetings, content creation is often distributed among the group members and sharing requires transfer of content artifacts, which impedes collaboration. In this paper, we present the design of a collaborative environment to support this ...
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- extended-abstractMay 2012
TeleWEAR: engaging users and suppliers of telecare in product design
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2637–2642https://doi.org/10.1145/2212776.2223849Telecare is the remote or enhanced delivery of care services to people in their own home or community setting using ICT. Telecare is expected to play an important role in addressing some of the challenges of an ageing population. However, products are ...
- extended-abstractMay 2012
Tactile feedback for button GUI on touch devices
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2633–2636https://doi.org/10.1145/2212776.2223848In this paper, we describe a tactile feedback for a button GUI activated by a tap gesture on mobile touch devices. We implemented a new HW platform based on a film-type actuator to obtain a large range of tactile expression. From the analysis of touch ...
- extended-abstractMay 2012
Making the switch: channel switching in romantic couple conflict
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2627–2632https://doi.org/10.1145/2212776.2223847This work explores the role of channel switching, or switching between forms of face-to-face and mediated communication (e.g., text messaging, instant messaging) in romantic couple conflict. Exploratory interviews were conducted with 24 individuals ...
- extended-abstractMay 2012
Characterizing the effectiveness of twitter hashtags to detect and track online population sentiment
- Glívia Angélica Rodrigues Barbosa,
- Ismael S. Silva,
- Mohammed Zaki,
- Wagner Meira,
- Raquel O. Prates,
- Adriano Veloso
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2621–2626https://doi.org/10.1145/2212776.2223846In this paper we describe the preliminary results and future directions of a research in progress, which aims at assessing the hashtag effectiveness as a resource for sentiment analysis expressed on Twitter. The results so far support our hypothesis ...
- extended-abstractMay 2012
An initial analysis of communicability evaluation methods through a case study
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2615–2620https://doi.org/10.1145/2212776.2223845HCI researchers have raised the importance of research regarding HCI theories, as well as new evaluation methods that can take into consideration novel applications and technologies. Semiotic Engineering is an HCI theory in which the interface is ...
- extended-abstractMay 2012
Considerate supervisor: an audio-only facilitator for multiparty conference calls
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2609–2614https://doi.org/10.1145/2212776.2223844This paper shows that automated feedback on an audio-only channel can reduce dominance in collaborative tasks. In a study of multiple three-person distributed groups solving Hangman, a word guessing game, the Considerate Supervisor reduced the ...
- extended-abstractMay 2012
Namibian and american cultural orientations toward facebook
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2603–2608https://doi.org/10.1145/2212776.2223843Nadkarni and Hofman's [8] meta-review of literature on Facebook usage recommends examining differences in Facebook use between collectivistic and individualistic cultures. We discuss early findings of an exploratory study to compare use between ...
- extended-abstractMay 2012
Leveraging motor learning for a tangible password system
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2597–2602https://doi.org/10.1145/2212776.2223842Tangible user interfaces (TUIs) may allow users to have more direct interaction with systems when compared to traditional graphical user interfaces (GUIs). However, the full range of applications where TUIs can be utilized in practice is unclear. To ...
- extended-abstractMay 2012
DigiGraff: considering graffiti as a location based social network
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2591–2596https://doi.org/10.1145/2212776.2223841We introduce DigiGraff: a technique to allow lightweight and unconstrained digital annotation of the physical environment via mobile digital projection. Using graffiti as a design meme, DigiGraff provides a way to study the role of location in the ...
- extended-abstractMay 2012
Reducing visual demand for gestural text input on touchscreen devices
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2585–2590https://doi.org/10.1145/2212776.2223840We developed a text entry method for touchscreen devices using a Graffiti-like alphabet combined with automatic error correction. The method is novel in that the user does not receive the results of the recognition process, except at the end of a ...
- extended-abstractMay 2012
Interacting with videos on paper-like displays
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2579–2584https://doi.org/10.1145/2212776.2223839Analog paper is still often preferred over electronic documents due to specific affordances and rich spatial interaction, in particular if multiple pages are laid out and handled simultaneously. We investigated how interaction with video can benefit ...
- extended-abstractMay 2012
Sharing emotion on Facebook: network size, density, and individual motivation
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2573–2578https://doi.org/10.1145/2212776.2223838Social networking sites afford substantial affective self-expression and hybrid social connections. In this study, we collected 185 Facebook users' egocentric social network data and analyzed the words of positive emotion and negative emotion in their ...
- extended-abstractMay 2012
Supporting opportunistic search in meetings with tangible tabletop
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2567–2572https://doi.org/10.1145/2212776.2223837Web searches are often needed in collocated meetings. Many research projects have been conducted for supporting collaborative search in information-seeking meetings, where searches are executed both intentionally and intensively. However, for most ...
- extended-abstractMay 2012
Multi-touch based video selection with an audio emotional curve
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2561–2566https://doi.org/10.1145/2212776.2223836This article describes a new multi-touch based method for selecting video parts on mobile devices. Basically, a video player displays only the current image and a timeline to interact with the entire video content. Rewinding and forwarding to a specific ...
- extended-abstractMay 2012
Self-correcting crowds
CHI EA '12: CHI '12 Extended Abstracts on Human Factors in Computing SystemsMay 2012, Pages 2555–2560https://doi.org/10.1145/2212776.2223835Much of the current work in crowdsourcing is focused on increasing the quality of responses. Quality issues are most often due to a small subset of low quality workers. The ability to distinguish between high and low quality workers would allow a wide ...