基于本體的構(gòu)件描述和檢索的研究.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文基于本體的構(gòu)件描述和檢索的研究姓名：許年芳申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)軟件與理論指導(dǎo)教師：李心科20100301SoftwarecomponentdescriptionandretrievalbasedonontologyAbstractSoftwarereusetechnologyisbecomingahotresearchathomeandabroadinrecentyearsSoftwarecompone

2、ntdescriptionandretrievaliSoneofthekeytechnologiesinsoftwarereuse。Thisincludestheaccurate，comprehensivedescriptionofcomponentsinstaticcharacteristicsanddynamicbehavior，andprovidesgoodretrievalmethodtosupportitThecurrentc

3、omponentdescriptionandretrievalmethodislackofthesemantics，SOithasrelativelylowrecallandprecisionBasedontheresearchofthecurrentcomponentdescriptionandretrievalmethod，introducingdomainontologyandontologymodeling，thisdisser

4、tationprovidestheontology—basedcomponentdescriptionandretrievalstrategy，thendesignsandimplementsanontology—basedcomponentretrievalsystembasedonit，whicheffectivelyimprovesthecomponentqueryrecallandprecisionThisdissertatio

5、nincludesthefollowingaspects：Firstly，buildupacomponentdescriptionmodelofdescribingaccurately，extensible，easilyoperating，whichdescribescomponentsfromthebasicinformation，interface，function，environmentandqualityIteffectivel

6、ysupportsforthedevelopmentofsoftwarecomponentbasedoncomponentofflexibilityexpansibilityandreplaceablecharacteristicsInthesame，italsosupportsforthesemanticandexpansibilityofdescriptionSecondly，putforwardacomponentretrieva

7、lmethodbasedonontology。Usingthiswaytheusercanusenaturallanguagetogettheexactquerywords，whichcanenhancetheflexibilityandconvenienceofcomponentretrievalItutilizesthedomainknowledgeindomainontologytoexpandandrefinetheuser’S

8、query，allowinguserstofindouti／loreaccuratequery。SoitcaneffectivelyimprovetheretrievalqualityandusersatisfactionFinally，designandimplementacomponentretrievalsystemwhichsupportstheabovemethodThissystempreprocessestheuser’S

9、querywords，andthenutilizesOWLtodescribetheformalizedquery，andmatchitwiththedomainontologyTheusercanfindthedomainknowledgeintheexpendingresultwhichissortedbythesemanticmatchingdegreeSothiscanmaketheuser’SqueryclearThissys