%0 Journal Article
%T Semantic Relatedness-based Information Focusing Service Model and Approach<br>基于语义相关的信息聚焦数学模型及方法研究
%A HUANG Hong-bin
%A XIONG Fang
%A DENG Su
%A ZHANG Wei-ming
%A <br>黄宏斌
%A 熊芳
%A 邓苏
%A 张维明
%J 计算机科学
%D 2011
%I 
%X Information Service is still a hot topic for information sharing research. This paper presented the concept and mathematics model of semantic relatedness based information focusing. Information focusing, as a new information service,implements information congregating by using the semantic association relationship between information units.This paper presented the Ontology-based metadata model,and gave mathematics model of information and information space, and presented the mathematics about information focusing. By giving the formally definition of semantic relatedness,this paper also defined the concept of information focusing based semantic relatedness.
%K Information space
%K Information focusing
%K Ontology
%K Semantic relatedness<br>信息空间，信息聚焦，本体，语义相关
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=2AC66EB828B1E43512977D84CD4F1409&yid=9377ED8094509821&vid=16D8618C6164A3ED&iid=5D311CA918CA9A03&sid=D46BA3D3D4B3C585&eid=847B14427F4BF76A&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=0