Why are geographic information systems hard to use?
CHI '95 Conference Companion on Human Factors in Computing Systems
CHI '94 Conference Companion on Human Factors in Computing Systems
Introduction to Computer Graphics
Introduction to Computer Graphics
Introduction to neogeography
Geotagging in multimedia and computer vision--a survey
Multimedia Tools and Applications
Designing mobile interfaces for novice and low-literacy users
ACM Transactions on Computer-Human Interaction (TOCHI)
Mobile interface design for low-literacy populations
Proceedings of the 2nd ACM SIGHIT International Health Informatics Symposium
City-scale landmark identification on mobile devices
CVPR '11 Proceedings of the 2011 IEEE Conference on Computer Vision and Pattern Recognition
Map inference in the face of noise and disparity
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
Micro-mapping with smartphones for monitoring agricultural development
Proceedings of the 3rd ACM Symposium on Computing for Development
Some evidence for the impact of limited education on hierarchical user interface navigation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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In developing countries, Volunteered Geographic Information (VGI) can be a valuable source of information, as often no detailed geo-data is available. Furthermore, it enables to aggregate local knowledge that can only be provided by local stakeholders. However, due to the complexity of tools and workflows of VGI applications, the participation within VGI projects is typically limited to technically skilled persons. We propose to focus on task-specific interfaces to integrate inexperienced user groups in the data collection process. For the example of micro-mapping we show how What-You-See-Is-What-You-Map (WYSIWYM) interfaces can lower the technological barriers compared to generic user interfaces and allow the contribution of precise geometric geographic data even for technologically uneducated persons. We report on two user studies in two different settings: the first study compares the general quantitative and qualitative aspects of user-generated data of three different geographic data collection tools, and the second study investigates the robustness of these results with a focus on the technological barrier with technologically untrained farmers in rural Laos. We are able to show that WYSIWYM interfaces foster the contribution of data of promising quality and at the same time significantly lower the barrier of usage. Thus, WYSIWYM is well suited to integrate contributors with limited technological knowledge into VGI processes and enables crowdsourcing geographic information at a local level.