摘要
提出一种面向垂直搜索引擎的基于知识的语义关联算法,以知识表达技术及语义关联度计算为核心,建立语义关联规则,在语义扩展基础上提高查询招回率和语义相关度计算高检索的准确性,同时根据农产品物流领域的特点,设计并实现了用于农产品物流ASP平台的垂直搜索引擎。
A new vertical search engine-aimed semantic correlation algorithm based on knowledge is presented, which emphasizes knowledge representation technique and semantic association calculation to build up semantic rules. The query recall rate and the retrieval accuracy of both semantic extension and semantic association calculation are promoted. According to the characteristic in fields of agricultural products logistics, the vertical search engine in the Application Service Probider（ASP） platform is designed and implemented.
出处
《计算机工程》
CAS
CSCD
北大核心
2009年第11期184-186,共3页
Computer Engineering
基金
国家科技支撑计划基金资助项目“农产品物流企业信息门户ASP服务平台”(2006BAD10A0401)
“基于语义跨媒体检索与智能搜索平台”(2006BAH02A01)
关键词
概念知识树
知识表达
语义计算
垂直搜索
concept knowledge tree
knowledge representation
semantic calculation
vertical search
