The transformation from authoritative to user-generated data landscapes has garnered
considerable attention, notably with the proliferation of crowdsourced geospatial data …

Crowdsourced geospatial data, referring to data sources gathered from networks of
volunteers, has greatly transformed the paradigms of human and Earth observations in …

Crowdsourced spatial analytics is a rapidly developing field that involves collecting and
analyzing geographical data, utilizing the collective power of human observation. This paper …

For many years, urban sciences relied heavily on traditional, authoritative data sources.
However, a paradigm shift has occurred recently with the advent of citizen-driven data …

Data are essential in all areas of geophysics. They are used to better understand and
manage systems, either directly or via models. Given the complexity and spatiotemporal …

The recent trend toward open Earth observation (EO) data has revived a general interest in
satellite-based monitoring and mapping of the Earth surface. The open policy now applied to …

Citizen Science (CS) and crowdsourcing are two potentially valuable sources of data for
Earth Observation (EO), which have yet to be fully exploited. Research in this area has …

A decade ago, Volunteered Geographical Information (VGI) was identified as a new source
of information that would blur the traditional boundary between producers and the …

Crowdsourcing is traditionally defined as obtaining data or information by enlisting the
services of a (potentially large) number of people. However, due to recent innovations, this …

Citizens are providing vast amounts of georeferenced data in the form of in situ data
collections as well as interpretations and digitization of Earth-observation (EO) data sets …