A quick approach to get a technology-function matrix for an interested technical topic of patents

A quick approach to get a technology-function matrix, one kind of patent map, is presented in this paper. Two popular technologies, big data and cloud storage in IT, were illustrated. In order to get high quality patents and guidance of R&D, to get a technology-function in advance in short term is important. The approach introduced in this paper is more quickly than traditional method, and is easily update or expand more detail.