摘要:The phenomenal growth of digital data is posing increasing challenges for both scientists and engineers. The challenge is multifaceted due to the ever-growing size, constant flow, high dimension and trustworthiness of the content. This special issue captures several state-of-the-art technological research on improving understanding geospatial science changes brought about by the availability of both new types of data such as social media data and advanced computing technologies such as geospatial cyberinfrastructure and cloud computing.