摘要
Big data has been a focus of research in science,technology,economics,and social studies.Many countries have already incorporated big data research into their national strategies.This paper elaborates upon the origin,connotation,and development of big data from both a spatial and temporal perspective.It proposes that scientific big data will become a new solution in scientific research as the paradigm changes from being model-driven to data-driven.This paper defines the concept of ‘‘scientific big data'' and proposes strategies for solving ‘‘big data problems' '.Theoretical frameworks and data systems for Digital Earth are discussed with a clear conclusion that scientific big data is a prominent feature of Digital Earth.As an example,spatial cognition of the formation mechanism of China's Heihe-Tengchong Line—a geo-demographic demarcation line dividing China into two parts—is discussed within the context of big data computation and analysis for Digital Earth.
Big data has been a focus of research in sci- ence, technology, economics, and social studies. Many countries have already incorporated big data research into their national strategies. This paper elaborates upon the origin, connotation, and development of big data from both a spatial and temporal perspective. It proposes that scien- tific big data will become a new solution in scientific research as the paradigm changes from being model-driven to data-driven. This paper defines the concept of ＂scientific big data＂ and proposes strategies for solving ＂big data problems＂. Theoretical frameworks and data systems for Digital Earth are discussed with a clear conclusion that scientific big data is a prominent feature of Digital Earth. As an example, spatial cognition of the formation mecha- nism of China＇s Heihe-Tengchong Line--a geo-demo- graphic demarcation line dividing China into two parts--is discussed within the context of big data computation and analysis for Digital Earth.
基金
supported by the International Cooperation and Exchange of the National Natural Science Foundation of China(41120114001)
