Browsing by Subject "traceability"
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- Journal ArticleMetadata onlyAn Approach for Asynchronous Awareness Support in Collaborative Non-Linear Storytelling(Computer Supported Cooperative Work (CSCW): Vol. 22, 41365) Schumann, Jana; Buttler, Tanja; Lukosch, StephanWorkspace awareness support is mandatory for group support systems. It allows users not only to follow actions of others, but to understand and respond to any changes others make to the workspace. In this paper, we present a novel approach for asynchronous awareness support by offering different filters to retrieve relevant awareness information and visualizing the evolution of the shared artifact. We illustrate our approach with a tool for collaborative non-linear storytelling in which users can jointly create a story graph of interconnected audio files. Such a story graph is an example for a non-linear story. We describe the development of a prototype that visualizes how the collaborative story has evolved over time. We evaluate our approach for asynchronous awareness support in an experiment with 40 participants exploring story graphs of different complexity. The evaluation results show that our visualization approach helps group members to assess who has modified the shared story, how it was modified, what exactly has been modified, and when it has been modified.
- Conference PaperMetadata onlyRe-Thinking Traceability: A Prototype to Record and Revisit the Evolution of Design Artefacts(Proceedings of the 2018 ACM International Conference on Supporting Group Work, 2018) Gutierrez Lopez, Marisela; Rovelo Ruiz, Gustavo; Luyten, Kris; Haesen, Mieke; Coninx, KarinKeeping track of design processes is a cumbersome task due to the apparently unconstrained and unstructured nature of creative work. Traceability is fundamental to revisit and reflect on the design narratives that describe artefact evolution. In this paper, we aim to identify what characteristics are necessary to facilitate traceability of creative design processes. For this end, we use a functional prototype to connect artefacts, design rationale, and decisions in a shared workspace. We evaluated this prototype for 15 weeks with six pairs of students engaged in a user-centered design project. Our findings show that having a lean repository of artefacts annotated with design rationale can facilitate tracking progress in different phases of the process. We found that creating a record of the participants' design work is useful to reflect on and for team agreement, ensure consistency of evolving artefacts, and help in planning future steps in the design project.
- Conference PaperOpen AccessTRADE: A Transparent, Decentralized Traceability System for the Supply Chain(Proceedings of 1st ERCIM Blockchain Workshop 2018, 2018) El Maouchi, Mourad; Ersoy, O˘guzhan; Erkin, ZekeriyaTraceability has become an increasingly important aspect of the supply chain in the last few years due to customer awareness as well as better planning and problem identification. Unfortunately, technological, legal, and organizational concerns limit the possibility to utilize a centralized system to achieve traceability. Trust is one of the most important factors preventing the appliance of a centralized system. Previous works provided several approaches to create a decentralized traceability system. However, these works do not state the feasibility of their work and its appliance for the supply chain. In this paper, we propose a fully transparent and decentralized traceability system for the supply chain, namely TRADE. The system leverages the actors and supply chain structure to achieve traceability. Moreover, consumers and other parties can view all the data in the system and verify the claims of actors on the products. The latter results in positive brand reputation and auditability.