Browsing by Author "Dunkel, Alexander"

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  • ItemOpen Access
    meinGrün Supplementary Materials for mCloud
    (Technische Universität Dresden, 2021-09-08) Dunkel, Alexander; Gugulica, Madalina
    This collection includes Supplementary Materials from the IfK results for meinGrün, made available on mCloud: 1. Metadata Dresden dataset 2. Metadata Heidelberg dataset 3. Use Case Web Portal Heatmap "Großer Garten"
  • ItemOpen Access
    Privacy-aware visualization of volunteered geographic information (VGI) to analyze spatial activity: A benchmark implementation
    (Technische Universität Dresden, 2020-10-09) Dunkel, Alexander; Löchner, Marc; Burghardt, Dirk
    Supplementary Materials (release v0.1.0)
  • ItemOpen Access
    Supplementary materials for the publication "Assessing perceived landscape change from opportunistic spatio-temporal occurrence data"
    (Technische Universität Dresden, 2024-07-12) Dunkel, Alexander; Burghardt, Dirk
    Supporting Information for the publication "Assessing perceived landscape change from opportunistic spatio-temporal occurrence data" (Release v1.0.1). Updates from the peer review process may not be reflected in this submission. The original git repository with the latest versions can be found at https://gitlab.hrz.tu-chemnitz.de/ad/temporal_landscapes
  • ItemOpen Access
    Supplementary materials for the publication "Event inventories: Estimating the temporality of landscape scenic resources from user-contributed geodata."
    (Technische Universität Dresden, 2023-08-25) Dunkel, Alexander; Burghardt, Dirk
    Supporting Information for the conference publication "Event inventories - Estimating the temporality of landscape scenic resources from user-contributed geodata." (2023 Visual Resource Stewardship Conference). Updates may have been made since submission to OPARA. The original git repository can be found here: https://gitlab.hrz.tu-chemnitz.de/ad/ephemeral_events
  • ItemOpen Access
    Supplementary materials for the publication "From sunrise to sunset: Exploring landscape preference through global reactions to ephemeral events captured in georeferenced social media" (PLOS)
    (Technische Universität Dresden, 2023-01-18) Dunkel, Alexander; Burghardt, Dirk; Hartmann, Maximilian; Ross, Purves; Eva, Hauthal
    Events profoundly influence human-environment interactions. Through repetition, some events manifest and amplify collective behavioral traits, which significantly affects landscapes and their use, meaning, and value. However, the majority of research on reaction to events focuses on case studies, based on spatial subsets of data. This makes it difficult to put observations into context and to isolate sources of noise or bias found in data. As a result, inclusion of perceived aesthetic values, for example, in cultural ecosystem services, as a means to protect and develop landscapes, remains problematic. In this work, we focus on human behavior worldwide by exploring global reactions to sunset and sunrise using two datasets collected from Instagram and Flickr. By focusing on the consistency and reproducibility of results across these datasets, our goal is to contribute to the development of more robust methods for identifying landscape preference using geo-social media data, while also exploring motivations for photographing these particular events. Based on a four facet context model, reactions to sunset and sunrise are explored for Where, Who, What, and When. We further compare reactions across different groups, with the aim of quantifying differences in behavior and information spread. Our results suggest that a balanced assessment of landscape preference across different regions and datasets is possible, which strengthens representativity and exploring the How and Why in particular event contexts. The process of analysis is fully documented, allowing transparent replication and adoption to other events or datasets. The data encompasses both code (jupyter notebooks) and data (abstracted using hyperloglog). Please see the git repository for any further information: https://gitlab.vgiscience.de/ad/sunset-sunrise-paper
  • ItemOpen Access
    Supplementary materials for the publication "Generative text-to-image diffusion for map creation based on geosocial media data."
    (Technische Universität Dresden, 2023-11-03) Dunkel, Alexander; Gugulica, Madalina
    Supporting Information for the publication "Generative text-to-image diffusion for map creation based on geosocial media data"(Release v1.0.0). Updates from the peer review process may not be reflected in this submission. The original git repository with the latest versions can be found at https://gitlab.hrz.tu-chemnitz.de/ad/mapnik_stablediffusion