Abstract: The approach of the big data period has carried openings and challenges to knowledge research. In this paper, the arising techniques of knowledge research under the big data environment, similar to data mining, representation, semantic preparing, and so forth, also sums up some new apparatuses, like space. To advance knowledge hypothesis examination and practice, it is essential and helpful to investigate the refreshing of knowledge research techniques and instruments and find the latest model of insight examination. Datasets are so vast and composite that it gets hard to rehearse utilizing typical data preparing applications. Big data is a bunch of systems and advances that involve new types of combination to uncover enormous obscure qualities from massive datasets that are different, complex, and of considerable scope.