Spatial Data Quality: From Process to Decisions
Spatial Data Quality: From Process to Decisions
复制标题
空间数据质量:从流程到决策
DOI:
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发表时间:
2010
期刊:
影响因子:
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通讯作者:
R. Devillers
中科院分区:
文献类型:
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作者:
M. Delavar;R. Devillers
It is believed that about 80% of data have a spatial component. As good data are crucial to support decision-making processes, it is not surprising that quality and uncertainty of spatial data has long been an area of interest for the Geographic Information (GI) community. While spatial data quality has been an active field of research in the past three decades (see the article by Devillers et al. in this special issue for an historical perspective), research increasingly explores the relationship that exists between data quality and decision-making processes, recognizing the increasing role that spatial data plays in a large number of fields. For this reason, the theme of this special issue is “Spatial data quality: from process to decisions.” The importance of data quality increases as we witness the emergence and widespread use of terrestrial, airborne, and spaceborne sensors (e.g. high resolution remotely sensed images (HRSI), interferometric synthetic aperture radar (INSAR), hyperspectral images) and systems based on locations (global positioning systems (GPS), mobile GIS, locationbased services (LBS), ubiquitous geographic information (UBGI), and geo-sensor networks). The need to integrate an increasing amount of heterogeneous data results in significant challenges when it comes to measuring, describing, and communicating data quality information. Quality and uncertainty of spatial data have been the focus of a number of research programs, such as the first initiative of the National Center for Geographic Information and Analysis (NCGIA) consortium, the International Symposium of Spatial Data Quality (ISSDQ) and Accuracy symposia and working groups from the Association of Geographic Information Laboratories in Europe (AGILE) and from the International Cartographic Association (ICA). Beyond the academic field, it has also captured the attention of government and industry through quality control and quality assurance programs and through standards from organizations such as ISO/TC211, the Open Geospatial Consortium (OGC), the Federal Geographic Data Committee (FGDC) or the European Committee for Standardization (CEN). Shi (2008) mentioned that quality remains one the major issues faced by users of spatial data. Data producers, who are questioned about what they provide in terms of Transactions in GIS, 2010, 14(4): 379–386