%A Wang Xiuyan, Cui Lei %T Overview of Semantic Relations Extraction Between Biomedical Entities by Key Verbs %0 Journal Article %D 2011 %J Data Analysis and Knowledge Discovery %R 10.11925/infotech.1003-3513.2011.09.04 %P 21-27 %V 27 %N 9 %U {https://manu44.magtech.com.cn/Jwk_infotech_wk3/CN/abstract/article_3442.shtml} %8 2011-09-25 %X The paper mainly reviews the semantic relation extraction studies used key verbs(i.e.semantic verb),and introduces the methods of biomedical semantic relations extraction. The key verbs used in the present researches are manually selected, so the verb selection method involves more subjective factors, and influences the objectivity, accuracy and comprehensiveness of key verbs selection.Therefore, how to find these verbs automatically may be a key task of relations mining.