ABSTRACT
In this paper, the characteristics of new media information dissemination are interpreted in detail, including the expression of liberalization, virus-disseminating, inclination of news entertainment, violence of pub-lic opinion and over-exposure of privacy. This article takes the immoral cases of medical news in recent years as examples, deeply analyzes the serious phenomena of medical news under new media environment, such as misrepr-esentation, loss of authority, moral loss of reputation, loss of social rationality and disclosure of public privacy.
ABSTRACT
The strategies for automatic extraction of key words from medical news were put forward by adding the MeSH terms into the general classification table in combination with the length of MeSH terms and location-weigh-ted MeSH terms.The key words randomly selected from 100 papers reporting medical news on 10 Websites were in-dexed and verified by machine indexing.The extraction accuracy was 0.34 and the recall rate was 0.30, showing that the strategies can be used for automatic extraction of key words from medical news.