Sarah Rüller

dblp:201/4951 · DBLP profile ↗
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9ranked-venue papers
3as first author
8since 2021 · last 2026
0000-0003-2541-2776ORCID · verified

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Human-computer interaction and ubiquitous computing · 9 · 3 first-author · 8 since 2021
YearPublicationVenuePosition
2026 Silencing & Surging: A Layered Ecology of Algorithmic Repression and Resistance in the Gaza Escalations
abstract
During the 2023–ongoing Gaza war, Palestinian advocacy on social media has faced rapid removals, downranking, and account sanctions. In this contribution, we offer a layered analysis of how people endure and counter this repression across affective, mechanistic, and material dimensions. Using patchwork ethnography over 295 first-person testimonies and 85 NGO/press documents, we identify a recursive Contest Loop: hostile mass-report brigades and automated enforcement that spur supporter “appeal brigades,” mirroring, and migration. Findings are organized as a three-layer ecology—Invisible Scars (whiplash, shadowbanning as probabilistic throttling, self-censorship), Dueling Brigades (frictions, coordinated reports, supporter procedures), and Feed-to-Street Ripples (fundraising, evidentiary preservation, livelihoods). Conceptually, we extend platform-assemblage thinking with a Resistance Assemblage: ad-hoc technical, emotional, and legal mutual-aid infrastructures that keep visibility alive under sanction. We contribute: (1) an event-centered, experience-near account of co-produced moderation in conflict; (2) two integrative lenses (Contest Loop, Resistance Assemblage); and (3) design/policy directions, including collective-appeal dashboards, and evidentiary safeguards that separate archiving from distribution.
Houda Elmimouni, Sarah Rüller, Yarden Skop, Norah Abokhodair, Konstantin Aal, Tashfia Fatema, Mahmoud Fawzi, Ghadeer Awwad, Walid Magdy, Volker Wulf, Peter Tolmie
CHI2
2025 Exploring Algorithmic Resistance: Responses to Social Media Censorship in Activism
abstract
Social media platforms have become a double-edged sword for human rights activism, simultaneously offering a stage and facilitating wide-reaching communication and connection, while also imposing censorship through stringent and opaque content governance. This study focuses on the over enforcement of content moderation on social media platforms, affecting activists who tried to engage online publics with issues of forced evictions and displacements in Sheikh Jarrah (SJ) and Silwan, in occupied East Jerusalem in May 2021 --- a critical juncture in the Palestinian-Israeli conflict. By analyzing responses from a survey of 201 users who reported experiencing censorship, and interviews with 14 political influencers and activists, we uncover how these individuals navigate the intricate landscape of social media censorship. The findings reveal a continuum of different ways of responding to censorship, from self-censorship to proactive advocacy of policy change, that highlight the ingenuity activists can employ to bypass content restrictions. This research not only contributes to our understanding of the interaction between social media's technical affordances and activist responses but also discusses broader implications for the design and governance of digital platforms in supporting democratic discourse and human rights activism in conflict zones. This study enriches the ongoing dialogue about social media's dual role as both a facilitator and a controller of public discourse, emphasizing the need for platforms to consider the profound impacts of their technical and policy decisions on global activism.
Houda Elmimouni, Sarah Rüller, Konstantin Aal, Yarden Skop, Norah Abokhodair, Volker Wulf, Peter Tolmie
Proc. ACM Hum. Comput. Interact.2
2024 Shielding or Silencing?: An Investigation into Content Moderation during the Sheikh Jarrah Crisis
abstract
Social media technologies have been empowering to some human rights activists, providing a platform for exercising free speech and mobilization. However, many activists have voiced concerns and shared experiences they understand as considerable censorship on these platforms, under the guise of content governance. In an effort to increase the understanding and transparency of content moderation practices during conflicts, this study investigates the perceived reasons for censorship as understood by activists and the explanations made visible to activists by social media platforms, if any were given. Our case study to examine these platforms-activists relations is the events which occurred in May 2021 in East Jerusalem's Sheikh Jarrah neighborhood, which was a significant moment in the Israeli-Palestinian conflict and garnered international attention. The over enforcement of content moderation faced by Palestinians and their allies during these events on social media raised concerns about freedom of speech and the role of technology in activism. Our study deepens understanding through findings from a survey of 201 social media users who reported potentially unfair moderation decisions, and from 12 interviews with political influencers to grasp the broader implications of content moderation on activism. The findings of this study indicate a substantial disparity between the official explanations made visible to the activists by the social media platforms, and the reasons as perceived by users. This has significant implications, both socially and for social media platforms -- as CSCW and Group work environments --- on activist groups and the potentialities of democratic discourse. This study serves as an important contribution to the debate on the role of social media content moderation in human rights activism, particularly in conflict zones.
Houda Elmimouni, Yarden Skop, Norah Abokhodair, Sarah Rüller, Konstantin Aal, Anne Weibert, Adel Al-Dawood, Volker Wulf, Peter Tolmie
Proc. ACM Hum. Comput. Interact.4
2022 Designing Multimodal Augmented- Reality Approaches in Sports: Collaborative and Competitive Scenarios for Individual and Group-based Outdoor Interaction
David Unbehaun, Aydin Coskun, Jule Jensen, Konstantin Aal, Sarah Rüller, Volker Wulf
ECSCW5
2022 Augmented-Reality Approaches in Computer Supported Collaborative Sports: Early Empirical Insights explored from and designed with with Sport Associations
David Unbehaun, Christoph Mall, Jan Ellinger, Aydin Coskun, Jule Jensen, Konstantin Aal, Sarah Rüller, Eckehard F. Moritz, Charlotte Meixner, Urban Plangger, Volker Wulf
ECSCW7
2022 Moving beyond illiteracy: Is wearable and touch-sensitive technology the way to go forward?: Reflections on 'speculation' and 'fiction' in participatory design with Imazighen in remote Morocco
abstract
This paper reflects upon the first phase of a participatory speculative design approach to ameliorate the consequences of illiteracy through touch-sensitive technology. The study addresses both digital and traditional illiteracy, in a region in remote Morocco, inhabited by North Africa's indigenous population. After developing fictional stories in English, we translated them into Moroccan Arabic and visual storyboards, we are currently aiming at developing activities to creatively engage with modalities of storytelling and prototyping to explore participatory speculative design and touch-sensitive technology to bypass illiteracy.
Sarah Rüller
TEI1
2022 'Technology is Everywhere, we have the Opportunity to Learn it in the Valley': The Appropriation of a Socio-Technical Enabling Infrastructure in the Moroccan High Atlas
abstract
Abstract This paper describes the appropriation processes involved in establishing a socio-technical enabling infrastructure in a valley in the High Atlas of Morocco. We focus on the challenges of co-establishing such an intervention in a rural/mountainous region that is already undergoing a process of continuous development and profound transformation. We reflect upon the changes and unforeseen appropriation by our local partners and inhabitants in the valley of a computer club primarily used as an informal learning centre for school children. We followed an ethnographic approach and combined research perspectives from both socio-informatics and anthropology. This paper sheds light on what a successful cooperation and intervention in this kind of challenging environment can look like. It does this by taking seriously competing expectations, fragile infrastructural foundations and the socio-cultural context. Despite the challenges, the intervention managed to lead to the establishment of a socio-technical enabling infrastructure that plays a particularly valuable role in local educational endeavours and that is now moving towards supporting other members of the community. The paper thus provides insights regarding what has to be considered to create a mutually beneficial cooperation with all relevant stakeholders as well as a sustainable intervention.
Sarah Rüller, Konstantin Aal, Simon Holdermann, Peter Tolmie, Andrea Hartmann, Markus Rohde, Martin Zillinger, Volker Wulf
Comput. Support. Cooperative Work.1
2022 Speculative Design as a Collaborative Practice: Ameliorating the Consequences of Illiteracy through Digital Touch
abstract
This article and the design fictions it presents are bound up with an ongoing qualitative-ethnographic study with Imazighen, the native people in remote Morocco. This group of people is marked by textual and digital illiteracy. We are in the process of developing multi-modal design fictions that can be used in workshops as a starting point for the co-development of further design fictions that envision the local population's desired digital futures. The design fictions take the form of storyboards, allowing for a non-textual engagement. The current content seeks to explore challenges, potentials, margins, and limitations for the future design of haptic and touch-sensitive technology as a means for interpersonal communication and information procurement. Design fictions provide a way of exposing the locals to possible digital futures so that they can actively engage with them and explore the bounds and confines of their literacy and the extent to which it matters.
Sarah Rüller, Konstantin Aal, Peter Tolmie, Andrea Hartmann, Markus Rohde, Volker Wulf
ACM Trans. Comput. Hum. Interact.1
2017 Creating Environmental Awareness with Upcycling Making Activities: A Study of Children in Germany and Palestine
abstract
This study explores the development of environmental awareness and computational literacy among children by means of upcycling making activities in Germany and Palestine. Our research supports the idea that the combination of handcraft and digital work, documentation and social interaction in the upcycling can foster the development of a maker identity in children. Findings indicate that upcycling can sensitize children for environmental issues of global relevance, foster their environmental learning and encourage them in the exploration of creative answers.
Anne Weibert, Marios Mouratidis, Renad Khateb, Sarah Rüller, Miriam Hosak, Shpresa Potka, Konstantin Aal, Volker Wulf
IDC4