Resultados da busca - Alexander Zipf

Open-data-driven embeddable quality management services for map-based web applications por Alexey Noskov, Alexander Zipf

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3D WebGIS: From Visualization to Analysis. An Efficient Browser-Based 3D Line-of-Sight Analysis por Michael Auer, Alexander Zipf

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Towards a Landmark-Based Pedestrian Navigation Service Using OSM Data por Adam Rousell, Alexander Zipf

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Analyzing the Contributor Activity of a Volunteered Geographic Information Project — The Case of OpenStreetMap por Alexander Zipf, Pascal Neis

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Completeness of citizen science biodiversity data from a volunteered geographic information perspective por Clemens Jacobs, Alexander Zipf

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Using Crowdsourced Geodata for Agent-Based Indoor Evacuation Simulations por Alexander Zipf, Marcus Goetz

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Defining Fitness-for-Use for Crowdsourced Points of Interest (POI) por David Jonietz, Alexander Zipf

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A System for Generating Customized Pleasant Pedestrian Routes Based on OpenStreetMap Data por Tessio Novack, Zhiyong Wang, Alexander Zipf

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Do people communicate about their whereabouts? Investigating the relation between user-generated text messages and Foursquare check-in places por Ming Li, Rene Westerholt, Alexander Zipf

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An investigation of the temporality of OpenStreetMap data contribution activities por Tessio Novack, Leonard Vorbeck, Alexander Zipf

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An exploratory analysis of usability of Flickr tags for land use/land cover attribution por Yingwei Yan, Michael Schultz, Alexander Zipf

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Graph-Based Matching of Points-of-Interest from Collaborative Geo-Datasets por Tessio Novack, Robin Peters, Alexander Zipf

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Towards Detecting the Crowd Involved in Social Events por Wei Huang, Hongchao Fan, Alexander Zipf

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Analysing the Impact of Large Data Imports in OpenStreetMap por Raphael Witt, Lukas Loos, Alexander Zipf

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OpenStreetMap data quality enrichment through awareness raising and collective action tools—experiences from a European project por Amin Mobasheri, Alexander Zipf, Louise Francis

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Towards Automatic Vandalism Detection in OpenStreetMap por Alexander Zipf, Marcus Goetz, Pascal Neis

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Quality Evaluation of VGI Using Authoritative Data—A Comparison with Land Use Data in Southern Germany por Helen Dorn, Tobias Törnros, Alexander Zipf

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Comparison of Volunteered Geographic Information Data Contributions and Community Development for Selected World Regions por Alexander Zipf, Dennis Zielstra, Pascal Neis

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Detecting repetitive structures on building footprints for the purposes of 3D modeling and reconstruction por Hongchao Fan, Alexander Zipf, Hangbin Wu

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The Street Network Evolution of Crowdsourced Maps: OpenStreetMap in Germany 2007–2011 por Pascal Neis, Dennis Zielstra, Alexander Zipf

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