Results 61 to 70 of about 4,321 (173)
ABSTRACT Street View Imagery (SVI) is crucial for urban environmental audits. Although Volunteered Street View Imagery (VSVI) has the potential to provide higher spatial and temporal resolution than traditional SVI, the use of such user‐generated data is currently limited by the inherent spatial heterogeneity in contributions and unclear quality ...
Xinrui Zheng, Mamoru Amemiya
wiley +1 more source
Accurate attribute mapping from volunteered geographic information: issues of volunteer quantity and quality [PDF]
Crowdsourcing is a popular means of acquiring data, but the use of such data is limited by concerns with its quality. This is evident within cartography and geographical sciences more generally, with the quality of volunteered geographic information (VGI)
Boyd, D.S. +7 more
core +2 more sources
Validation of Regional Positioning Service User Connections as Support in Update Cartography
ABSTRACT The significant demand for highly updated geospatial or cartographic information surpasses the capacity of the official agencies responsible for its generation. The procedure for updating official cartography, in some Spanish regions, can take more than three or 4 years.
Cristina Torrecillas +3 more
wiley +1 more source
Can social media data be useful in spatial modelling? A case study of ‘museum Tweets’ and visitor flows [PDF]
This paper explores the potential of volunteered geographical information from social media to inform geographical models of behavior. Based on a case study of museums in Yorkshire, we created a spatial interaction model of visitors to 15 museums from ...
Birkin, M, Lovelace, R, Malleson, N
core
Encouraging more equitable approaches to conservation technologies underpins global priorities for sustainable development by centering and supporting the communities most directly involved in conservation actions. Based on direct feedback from developers and users of these technologies, we establish that not only is improving access and increasing the
Karyn M. Tabor +6 more
wiley +1 more source
Open source data mining infrastructure for exploring and analysing OpenStreetMap [PDF]
OpenStreetMap and other Volunteered Geographic Information datasets have been explored in the last years, with the aim of understanding how their meaning is rendered, of assessing their quality, and of understanding the community-driven process that ...
Mobasheri, Amin +2 more
core +1 more source
Big Data (R)evolution in Geography: Complexity Modelling in the Last Two Decades
ABSTRACT The use of data and statistics along with computational systems heralded the beginning of a quantitative revolution in Geography. Use of simulation models (Cellular Automata and Agent‐Based Models) followed in the late 1990s, with ontology and epistemology of complexity theory and modelling being defined a little less than two decades ago.
Liliana Perez, Raja Sengupta
wiley +1 more source
Abstract In this article, we compile and characterize a total of 43 collaborative web map projects by a set of parameters that enable the understanding and comparability of current and future projects. We then develop a comprehensive methodological framework to explore volunteered geographic information (VGI) and spatial data infrastructure (SDI ...
Belén Pedregal +3 more
wiley +1 more source
VGI Edit History Reveals Data Trustworthiness and User Reputation [PDF]
Ponencias, comunicaciones y pósters presentados en el 17th AGILE Conference on Geographic Information Science "Connecting a Digital Europe through Location and Place", celebrado en la Universitat Jaume I del 3 al 6 de junio de 2014.Volunteered ...
D’Antonio, Fausto +2 more
core +1 more source
The National Map is an online, interactive map service published by the United States Geological Survey (USGS). Users can create and print high-resolution shaded relief maps of a local area, a state, or the entire U.S.
core +2 more sources

