UDLC中化學(xué)知識描述的語義實現(xiàn).pdf

1、蘭州大學(xué)碩士學(xué)位論文UDLC中化學(xué)知識描述的語義實現(xiàn)姓名：魏同明申請學(xué)位級別：碩士專業(yè)：計算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：張瑞生20100501AbstractAtpresent，computationalchemistryhasbeenallimportantbranchofchemistryandmoreandmorechemistsdotheirresearchbycomputationChemistsneedtomasteravariet

2、yofdifferentformsofscriptinglanguagetodotheirresearchitisagreatburdenforchemiststomaintainand眥∞manyscriptinglanguagesInordertoimprovetheefficiencyofresearch，therehavetobeaunifiedstandardofscriptinglanguageinchemistryInad

3、dition，、)l，imtherapiddevelopmentof面d’chemicalresearchenvironmentbasedongridhasbeenpaidmoreandmoreattentionTherefore，designinganddevelopingachemist吣fientedUnifiedjobDescriptionLanguageonChenficalgrid(UOLC)isanurgentproble

4、mThesemanticparsingisveryimportantduringthedesignandimplementationofU】DLC，anditisameaningfulresearchtopicwithgoodtheoreticalandappliedvalueThispaperdescribesthesemanticanalysisofchemicalknowledgedescriptioninUDLCAtfirstt

5、hepaperpresentstheresearchbackgroundofthisresearchtopicfromtheperspectiveofcomputationalchemistryandgrid，anddescribestherelatedstatusquointermsofchemicalknowledgeandsemanticanalysisSecondlythepaperanalysesthehistoryofche

6、micalknowledgedescription，andsumsupthecharacteristicsandmethodsofchemicalknowledgedescriptionviaSMARTS，ChemicalTermsandtheCMLAgain，thearticlesummarizestheresultsofcompilingtheoryoutlinesmetho&ofsyntaxandsemanticanalysing

7、inhighlevellanguageandatoolANTLRForthespecialrequirementsofchemicalknowledgedescriptioninUDLC，thepaperintroducesthemethodofsemanticanalysisandbulidsthethemapbetweenUDLCandCMLinthefourthchapterFinallythepaperdescribestheo