简介:Aweb-basedtranslationmethodforChineseorganizationnameisproposed.Afterana-lyzingthestructureofChineseorganizationname,themethodsofbilingualqueryformulationandmaximumentropybasedtranslationre-rankingaresuggestedtoretrievetheEnglishtranslationfromthewebviapublicsearchengine.TheexperimentsonChineseuniversitynamesdemonstratethevalidnessofthisapproach.
简介:Withthepropagationofapplicationsontheinternet,theinternethasbecomeagreatinformationsourcewhichsuppliesuserswithvaluableinformation.Butitishardforuserstoquicklyacquiretherightinformationontheweb.Thispaperanintelligentagentforinternetapplicationstoretrieveandextractwebinformationunderuser'sguidance.Theintelligentagentismadeupofaretrievalscripttoidentifywebsources,anextractionscriptbasedonthedocumentobjectmodeltoexpressextractionprocess,adatatranslatortoexporttheextractedinformationintoknowledgebaseswithframestructures,andadatareasoningtoreplyusers'questions.AGUItoolnamedScriptWriterhelpstogeneratetheextractionscriptvisually,andknowledgeruledatabaseshelptoextractwantedinformationandtogeneratetheanswertoquestions.
简介:Withthedevelopmentofwirelessnetworksandmobilecomputing,moreadvancedapplicationswithcontext-awarenessandadaptabilitytotheirchangingcontextareneeded.However,buildingcontext-awareapplicationsisdifficultduetothelackofadequateinfrastructuresupport.Inthispaper,awebmiddlewarearchitectureforthedevelopmentofcontext-awarenessapplicationsusingnearfieldcommunication(NFC)isproposed.Basedonit,theefficientsupportforacquiring,interpreting,andaccessingcontextisprovided,andtheuser’squalityofexperienceisimproved.Moreover,amobilewebmiddlewareforthetestingandfullrealizationofNFCcontext-awarenessapplicationshasbeendevelopedtogetherwithtwoapplicationexamples.
简介:针对现有PPM模型预测准确率不够高,且无法处理好预测准确率与预测代价之间平衡的问题,提出了一种新的改进PPM模型(PD-PPM)用于Web服务预测,以便更实时地向用户提供个性化、智能化的服务。为了建立该模型,定义了Web服务编码结构、错误补偿矩阵(ECM)、子类服务PPM模型(SW-PPM)和大类服务PPM模型(PW-PPM),并利用控制领域的PD控制算法,在SW-PPM模型与PW-PPM模型之间进行切换控制和参数调整;此外,还在ECM的基础上建立了错误补偿机制。经实验证明,PD-PPM模型能有效平衡预测准确率和预测代价之间的矛盾,并可以对预测准确率进行精准地跟踪控制,从而达到了预期的效果。