基于語(yǔ)義的數(shù)據(jù)庫(kù)全文檢索系統(tǒng).pdf

1、浙江大學(xué)碩士學(xué)位論文基于語(yǔ)義的數(shù)據(jù)庫(kù)全文檢索系統(tǒng)姓名：謝騁超申請(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：吳朝暉陳華鈞20060301霆逝延友堂亟堂壁迨童基王語(yǔ)豎鮑塹握痊全塞控塞丕筮AbstractInthecircumstanceofmodemlargescalecomputerdatasharing，thereexistsgreatnumbersoflarge—scaledatabasesDuetocertainspecific

2、andhistoricalreasons，someproblemshaveoccurredduringthesharingofdatabases：isolation，dataisland，andlackofstandardThesituationinChinesetraditionalmedicinedat曲aseisoneoftheexamplesTosolvetheseproblems，thegrid—computinglabofZ

3、hejiangUniversityhadstudiedthisareasince2002WereleasedDartgridV1in2002，whichusingsemanticand皿dtechnologytosolvetheproblemSincethen，wehaveupdatedandaddedmanyfeaturestotheoriginalversionandreleaseDartgridV3in2005hthenewver

4、sionofDartgridthecoreofDartgridwasredesignedandreprogrammed，Notonlythestabilityperformanceandfunctionweresignificantlyimproved，butalsomanynewfeatureswereaddedtoitThemostoutstandingoneisthatitintegratedsearchenginetechniq

5、uewithsemantics，whichissocalledsemantic‘baseddatabasesearchenginePlus，wedevelopedawebapplicationbasedonDartgridV3，whichmadethesystemmuchmolefriendlytoultimateusersIdevelopedthesemanticbaseddatabasesearchengine，andtheweba

6、pplicationbasedOllDartgridV3TheideaofintegratingsemanticswithsearchenginefordatabaseisgreatDuringtheprocess，IdevelopedaChinesewordsegmentalgorithmwhichiscreativeandinterestingAndofcourse，manyengineeringideasalealsofulfil

7、ledandimplementedintheapplicationThesystemhasbeenmnsuccessfullyinChinaacademicofChinesetraditionalmedicine碭thispaperIintroducedthearchitectureanddesignideainDartgridV3，thedevelopmentofWebbasedapplicationinDartgrid，semant