Netnews search system and method based on geographic information and visual information

The invention provides a netnews search system and a netnews method based on geographic information and visual information. The system comprises a data preprocessing module, a place relevance analysis module, a news matching module and a search result displaying module, wherein the data preprocessing module is used for acquiring news data, analyzing a text and extracting information data; the news data comprises characters, a place, time and text information; the place relevance analysis module is used for performing relevance analysis on a news event and a news place; the news matching module is used for selecting a proper image for news; and the search result displaying module is used for displaying the searched news sequentially according to the search relevance. By the system and the method, the geographic position information and the visual information are comprehensively used for describing and displaying netnews, and a network user can search multimedia news based on the geographical position; meanwhile, a relation between the news place and the news event and a relation between the relevance of the news place and the news event are integrated, so a more vivid news search result rich in information is supplied to the user.