基于.增量学习的网络多媒体资源发现技术的研究

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1、哈尔滨工业大学工学硕士学位论文study.Inaddition,itwillaffectthefollowingcrawling.Itwillimprovethesystem’ssensitivityofmultimediaresources,andmakesystemfasterandmoreaccurate.3Themainproblemofcurrentapproaches,includingcontent-basedpagerankingalgorithmsandclassicalhyperlinkanalysisalgorithms,l

2、iesinthattheycan’tsmoothlyintegratethecontentinformationandhyperlinkinformationfromWebpages.Toaddressthisproblem,weproposeMPRalgorithmbasedonmulti-futurecorrection,analgorithmforrankingaWebpage’smediapertinence.TheexperimentalresultshaveshownthattheMPRalgorithmismoreaccuratet

3、hanthegeneralPageRankalgorithm.UsingtheresultsofMPR,thefollowingcrawlingcanbehighlyimproved.4WehavedesignedandimplementedasystemfordiscoveringmediaresourcesontheWebbasedonincrementallearning.Thesystemishighlyscalableandcanbeappliedinmanyapplications,includingexercisessurveill

4、anceandstatisticalforWebmediaresources.Keywordsfocusedcrawler,mediaresources,knowledge-basedsystem,incrementallearning-III-哈尔滨工业大学工学硕士学位论文目录摘要...............................................................................................................IAbstract..............

5、.............................................................................................II第1章绪论..................................................................................................11.1研究背景和意义...................................................................

6、..................11.2国内外相关研究和综述.........................................................................31.3本文的主要研究内容和结构安排..........................................................6第2章网络多媒体资源特征及知识模型.......................................................82.1引言................

7、........................................................................................82.2网络多媒体资源的特征.........................................................................82.2.1网络多媒体相关协议......................................................................92.2.2网络多媒体相关格式.

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