This open access book includes methods for retrieval semantic representation and analysis of
Volunteered Geographic Information (VGI) geovisualization and user interactions related to VGI
and discusses selected topics in active participation social context and privacy awareness.
It presents the results of the DFG-funded priority program VGI: Interpretation Visualization
and Social Computing (2016-2023). The book includes three parts representing the principal
research pillars within the program. Part I Representation and Analysis of VGI discusses recent
approaches to enhance the representation and analysis of VGI. It includes semantic
representation of VGI data in knowledge graphs machine-learning approaches to VGI mining
completion and enrichment as well as to the improvement of data quality and fitness for
purpose. Part II Geovisualization and User Interactions related to VGI book explores
geovisualizations and user interactions supporting the analysis and presentation of VGI data.
When designing these visualizations and user interactions the specific properties of VGI data
the knowledge and abilities of different target users and technical viability of solutions
need to be considered. Part III Active Participation Social Context and Privacy Awareness of
the book addresses the human impact associated with VGI. It includes chapters on the use of
wearable sensors worn by volunteers to record their exposure to environmental stressors on
their daily journeys on the collective behavior of people using location-based social media
and movement data from football matches and on the motivation of volunteers who provide
important support in information gathering filtering and analysis of social media in disaster
situations.The book is of interest to researchers and advanced professionals in geoinformation
cartography visual analytics data science and machine learning.
