摘要
调研UMLS构成和建设特点,重点研究UMLS在检索方面的应用实例,分析归纳UMLS在语义化、智能化检索方面的功能设计、实现方法与实际效果,以期为基于集成式知识组织系统的智能检索应用的场景功能设计、技术开发和实现,提供借鉴和参考。UMLS在智能检索中的应用主要包括:(1)扩展检索,主要有同义词扩展、等级结构扩展和词组切分扩展等方法;(2)语义检索,基于概念和概念之间的关系进行检索和结果内容表达;(3)问答式检索,包括问题分析、文献检索、语句提取、答案生成和语义聚类。
This paper mainly investigates UMLS＇ s composition and characteristics, emphasizes on application cases of UMLS in field of intelligent and semantic retrieval, and analyses the scene designs, technology realization and application effects of these cases, in order to provide references for design and development of intelligent retrieval system based on integrated knowledge organization systems. The application of UMLS in field of intelligence and semantic retrieval mainly includes： （ Ⅰ ）query expansion, such as synonym expansion, hierarchical structure expansion and phrase segmentation expansion; （ Ⅱ ） semantic retrieval, based on concepts and relationships between concepts; （Ⅲ） question - answering search, including question analysis, document retrieval, sentence selection and semantic clustering.
出处
《现代图书情报技术》
CSSCI
北大核心
2012年第4期1-9,共9页
New Technology of Library and Information Service
基金
国家"十二五"科技支撑计划项目"面向外文科技文献信息的知识组织体系建设与应用示范"(项目编号:2011BAH10B05)的研究成果之一
关键词
UMLS
智能检索
扩展查询
语义检索
问答式检索
UMLS Intelligent retrieval Expand query Semantic search Question answering retrieval
