机译:基于新本体的食品安全领域语义检索模型
Beijing;
Key;
Laboratory;
of;
Intelligent;
Telecommunication;
Software;
and;
Multimedia,;
School;
of;
Computer;
Science,;
Beijing;
University;
of;
Posts;
and;
Telecommunications,;
Beijing;
100876,;
China;
食品安全事件; 检索模型; 语义关系; 领域本体; 食品安全信息; 食品安全问题; 查询扩展; 分词词典;