公开(公告)号：US10394864B2

公开(公告)日：2019-08-27

申请号：US15307058

申请日：2014-07-29

Applicant: FOUNDATION OF SOONGSIL UNIVERSITY INDUSTRY COOPERATION

Inventor： Soo Won Lee ,  Joon Ho Noh

IPC: G06F16/33 ,  G06F16/93 ,  G06F16/35 ,  G06F15/16 ,  G06F17/27

Abstract: A method and a server for extracting a topic and evaluating suitability of the extracted topic are disclosed. The topic extraction server includes a text preprocessing unit configured to extract noun from a document group and remove stopword from the extracted noun, a keyword extraction unit configured to calculate a weight of a noun and extracting a keyword representing the document group, a seed selection unit configured to calculate a weight of the extracted keyword and select a seed, an initial clustering unit configured to generate one cluster including the selected seed and a keyword shown by several times in a sentence including the selected seed, and a cluster combination unit configured to extract a topic group.