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ISPRS International Journal of Geo-Information, Volume 6, Issue 4

April 2017 - 34 articles

Cover Story: Since the appearance of Spatial Data Infrastructure (SDI), there has been an increase in spatial data available on the web. This situation raises research issues, in terms of identifying the content actually accessible and its impact on local governance. Our study proposes a mixed methodology applied to 45 French infrastructures, to compare the objectives stated by their promoters and their actual content. The methodology, based on an analysis of interviews with SDI coordinators, as well as an exploration of over 160,000 metadata in their catalogues, produced results concerning data accessibility, stakeholder networks, the interoperability of tools, and informational equality. Despite the proactive stance of SDI promoters, only 16% of data are open-access. Their interoperability remains restricted to specific types of actors. Although geocollaboration organised by SDIs is very active, it only concerns the public sector. These disparities also concern their spatial distribution.
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Articles (34)

  • Article
  • Open Access
18 Citations
8,217 Views
21 Pages

We use Bayesian methods with a weights of evidence approach to model the probability of land use change over the Western part of Switzerland. This first model is followed by a cellular automata model for spatial allocation of land use classes. Our re...

  • Article
  • Open Access
19 Citations
7,879 Views
20 Pages

With an ever-increasing volume and complexity of data collected from a variety of sources, the efficient management of geospatial information becomes a key topic in disaster risk management. For example, the representation of assets exposed to natura...

  • Article
  • Open Access
11 Citations
5,278 Views
17 Pages

In this study, using the common classification systems of IGBP-17, IGBP-9, IPCC-5 and TC (vegetation, wetlands and others only), we studied spatial and areal inconsistencies in the three most recent multi-resource land cover products in a complex mou...

  • Article
  • Open Access
6 Citations
4,098 Views
14 Pages

Interpolation and prediction of spatiotemporal data are integral components of many real-world applications. Thus, approaches of interpolating and predicting spatiotemporal data have been extensively investigated. Currently, the grey dynamic model ha...

  • Article
  • Open Access
11 Citations
5,329 Views
23 Pages

Users' awareness of the extent of information implicit in their geo-profiles on social networks is limited. This questions the validity of their consent to the collection, storage and use of their data. Tools for location privacy awareness are need...

  • Article
  • Open Access
8 Citations
5,263 Views
10 Pages

Attribute Learning for SAR Image Classification

  • Chu He,
  • Xinlong Liu,
  • Chenyao Kang,
  • Dong Chen and
  • Mingsheng Liao

This paper presents a classification approach based on attribute learning for high spatial resolution Synthetic Aperture Radar (SAR) images. To explore the representative and discriminative attributes of SAR images, first, an iterative unsupervised...

  • Article
  • Open Access
13 Citations
7,048 Views
19 Pages

Camera Coverage Estimation Based on Multistage Grid Subdivision

  • Meizhen Wang,
  • Xuejun Liu,
  • Yanan Zhang and
  • Ziran Wang

Visual coverage is one of the most important quality indexes for depicting the usability of an individual camera or camera network. It is the basis for camera network deployment, placement, coverage-enhancement, planning, etc. Precision and efficienc...

  • Article
  • Open Access
4 Citations
5,233 Views
18 Pages

Web Feature Service (WFS) is a protocol for accessing geospatial data stores such as databases and Shapefiles over the Web. However, WFS does not provide direct access to data distributed in multiple servers. In addition, WFS features extracted from...

  • Article
  • Open Access
15 Citations
6,088 Views
18 Pages

Spatial-Temporal Patterns of Bean Crop in Brazil over the Period 1990–2013

  • Augusto Monso Clemente,
  • Osmar Abílio de Carvalho Júnior,
  • Renato Fontes Guimarães,
  • Concepta McManus,
  • Caroline Machado Vasconcelos Turazi and
  • Potira Meirelles Hermuche

The understanding of spatial dependence and distribution of agricultural production factors is a key issue for the territorial planning and regional development. This study evaluates the spatial-temporal dynamics of bean crops in Brazil over the peri...

  • Article
  • Open Access
11 Citations
5,614 Views
17 Pages

Image interpretation is a major topic in the remote sensing community. With the increasing acquisition of high spatial resolution (HSR) remotely sensed images, incorporating geographic object-based image analysis (GEOBIA) is becoming an important sub...

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ISPRS Int. J. Geo-Inf. - ISSN 2220-9964