Carla Griggio

Carla Griggio
Aarhus University | AU · Department of Computer Science

PhD

About

17
Publications
16,617
Reads
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185
Citations
Introduction
I'm an HCI post-doc at Aarhus University investigating how communication apps shape personal relationships and building more customizable and malleable messaging tools.

Publications

Publications (17)
Conference Paper
Full-text available
In January 2021, WhatsApp announced an update to their privacy policy, sparking an outcry that saw millions of users install other messaging apps such as Telegram and Signal. This presented a rare opportunity to study users' experiences when trying to leave the world's most popular communication app. We conducted surveys in February and May with 15...
Conference Paper
Full-text available
Co-customizations are collaborative customizations in messaging apps that all conversation members can view and change, e.g. the color of chat bubbles on Facebook Messenger. Co-customizations grant new opportunities for expressing intimacy; however, most apps offer private customizations only. To investigate how people in close relationships integr...
Preprint
Full-text available
In hybrid meetings, multiple co-located participants communicate with remote participants through video. But video communication inhibits non-verbal cues, and this often causes remote participants to feel excluded. To address this issue, we built MirrorBlender: a What-You-See-Is-What-I-See video-conferencing system for blending , repositioning, and...
Conference Paper
Over the last 20 years, the Latin American Human-Computer Interaction (HCI) community has been working to shed light on how the diverse populations in the region are adopting, using, and making sense of computational technologies. Latin America's tense socio-political context, plurality of languages , collectivist culture, and historical relationsh...
Article
Full-text available
The growing adoption of emojis, stickers and GIFs suggests a corresponding demand for rich, personalized expression in messaging apps. Some people customize apps to enable more personal forms of expression, yet we know little about how such customizations shape everyday communication. Since people increasingly communicate via multiple apps side-by-...
Conference Paper
Full-text available
Couples exhibit special communication practices, but apps rarely offer couple-specific functionality. Research shows that sharing streams of contextual information (e.g. location, motion) helps couples coordinate and feel more connected. Most studies explored a single, ephemeral stream; we study how couples' communication changes when sharing multi...
Thesis
Full-text available
More and more, people communicate via not one, but a complex mix of apps. In particular, couples, close friends and families use multiple apps to express caring in diverse ways throughout the day. This calls for a new focus of study: besides observing how each app shapes communication, I argue that we need a deeper understanding of how people commu...
Conference Paper
Full-text available
CommandBoard offers a simple, efficient and incrementally learnable technique for issuing gesture commands from a soft keyboard. We transform the area above the keyboard into a command-gesture input space that lets users draw unique command gestures or type command names followed by execute. Novices who pause see an in-context dynamic guide, wherea...
Conference Paper
Today's users communicate via multiple apps, even when they offer almost identical functionality. We studied how and why users distribute their contacts within their app ecosystem. We found that the contacts in an app affect a user's conversations with other contacts, their communication patterns in the app, and the quality of their social relation...
Conference Paper
Full-text available
Although users accomplish ever more tasks on touch-enabled mobile devices, gesture-based interaction remains limited and almost never customizable by users. Our goal is to help users create gestures that are both personally memorable and reliably recognized by a touch-enabled mobile device. We address these competing requirements with two dynamic g...
Conference Paper
We introduce the UIST Video Browser which provides a rapid overview of the UIST 30-second video previews, based on the conference schedule. Attendees can see an overview of upcoming talks, search by topic, and create personalized, shareable video playlists that capture the most interesting or relevant papers.
Article
Full-text available
Interactivity is a unique forum of the ACM CHI Conference that showcases hands-on demonstrations, novel interactive technologies, and artistic installations. At CHI 2015 in Seoul we hosted more than 30 exhibits, including an invited digital interactive art exhibit. Interactivity highlights the diverse group of computer scientists, sociologists, des...
Conference Paper
In this work in progress we present early results in the process of understanding how interactive dance visualizations can inspire coordinated dance moves between dancers in informal contexts. Inspired by observations at nightclubs and parties with DJs, we designed an interactive dance visualization prototype called "Canvas Dance" and evaluated it...
Conference Paper
Full-text available
We present Canvas Dance, a prototype of an interactive dance visualization for large-group interaction that targets non-professional dancers in informal environments such as parties or nightclubs, and uses the smartphones of the dancers as the input device for the motion signal. The visualization is composed of individual representations for each d...
Article
Full-text available
This paper describes the features that a programming environment should have in order to help learning the object-oriented programming (OOP) paradigm and let students get the skills needed to build software using objects very quickly. This proposal is centered on providing graphical tools to help understand the concepts of the paradigm and let stud...

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Project (1)