Objective To synthesize data quality (DQ) dimensions and assessment methods of real-
world data, especially electronic health records, through a systematic scoping review and to …

Purpose Numerous data quality (DQ) definitions in the form of sets of DQ dimensions are
found in the literature. The great differences across such DQ classifications (DQCs) imply a …

Encouraging more cycling is increasingly seen as an important way to create more
sustainable cities and to improve public health. Understanding how cyclists travel and how …

The majority of spatial data provided as Volunteered Geographic Information (VGI) are roads
and other linear map features. Such data have been widely used in routing and navigation …

The reliability and quality of volunteered geographic information (VGI) continue to be
pressing concerns. Many VGI projects lack standard geospatial data quality assurance …

OpenStreetMap (OSM) is a dataset in constant change and this dynamic needs to be better
understood. Based on 12-year time series of seven OSM data contribution activities …

OpenStreetMap (OSM) is a free map that can be created, edited, and updated by volunteers
globally. The quality of OSM datasets is therefore of great concern. Extensive studies have …

Maps, like other types of extensive data collections, are usually created and maintained by a
larger number of individuals. The number of individuals using the map is even larger in most …

Many methods have been used to generate gridded population maps by downscaling
demographic data. As one of these methods, the accuracy of the dasymetric model depends …

The potential of citizens as a source of geographical information has been recognized for
many years. Such activity has grown recently due to the proliferation of inexpensive location …