基于本体的关联规则算法在应急系统中的研究与实现

《基于本体的关联规则算法在应急系统中的研究与实现》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、太原理工大学硕士学位论文基于本体的关联规则算法在应急系统中的研究与实现姓名：李娟莉申请学位级别：硕士专业：计算机应用技术指导教师：谢红薇20060501太原理工大学硕士研究生学位论文等关键技术进行了详细描述。最后，通过系统运行结果表明，利用关联规则寻找消防系统各属性之间的相关性关系是可行的、有价值的。并且分析了有待继续深入研究的问题和进一步拓展的方向。关键词：本体，关联规则，数据挖掘，应急决策STUDYONONTOLOGY-BASEDASSOCIATIONRULESALGORITHMINEM[ERGENCYDECISIONSYS

2、TEMABSTRACTEmergencydecisionsupportsystemrequeststoconcentratealltheresourceinformation，usingmulti-informationnetworktogetthecorrectemergencyinformationandreasonablematchingbasedondiverseenvironment．Itcanbringitseffectivenessintoemergencyordurativeopposition．Associat

3、ionruleminingdescribestherelationamongalltlleobjectsinthedataset．It’Sveryusefultoadoptassociationrulesdescribingthecasespropertyrelativityindecisionsystemcases，becauseitcouldprovidecorrectandeasyuseddecisionknowledgetodecision．makers．Inthethesis，theauthorresearcheson

4、associationrulesbasedonontologyknowledgeinfireemergencyfield．Firstly,whileanalyzingassociationrulesminingindetail，theauthormakesalotresearchonontologyknowledgeexpressiontechnologyorientedtoassociationrules，establishestheontologydatabaseinfireemergencysystem，andthenus

5、estheontologytoleaddataminingthatcangettheminingprocessmorequicklyandenhancetheefficiencyandqualityofobtainingknowledge．Secondly,afteranalyzingtherelativityofdecisiondataandconcerningwithsomeweaknessinassociationrulesmining，suchashighcostofmodecountingandinefficientI

6、／0，theauthorproposesoneassociationrulesminingalgorithmbasedonontology．Inthisalgorithm，candidateitemsetsthatarenotsuitableforconstrainedconditionsarepruning．andtheitemsetswhichuseriSinterestedarebuiltonly．Thealgorithmcanreducemode-countingcostandimproveminingquality．I

7、nfacttheauthormakesIII太原理工大学硕士研究生学位论文someimprovementinsomewaysaboutpartition，hashingandaffaircompressingtomakecandidateitemsetswithdifferentlengthineverydatabasescanningtime．Then，theentirecandidateitemsetsaredigedoutinlessscanningtimes．Itisimportantandsignificanttoen

8、hancetheefficiencyandqualityofassociationrulesminingindecisionprocessofemergencysystem．Withthebaseofalltheresearch，theauthordesigns