基于微博舆情事件的节点地理扩散——以“凤凰古城收费事件”为例

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1、AbstractFromtheAngleofgeography，thespreadofinformationreferstoinformationinacertainperiodoftimefromonelocationtootherlocationonthetransferprocess．ThisstudybasedonApril10，2013”Theancientcityofphoenixchargeevent’happenedtoanalyzethespreadofpublicopinioninmicroblog，mainlyfromtheeventdi

2、ffusionmechanism，diffusionpath，geographicalcharacteristicsanddiffusionmodelandSOonfouraspectstodiscussthemicrobloggingpublicopinioneventsingeographicalspatialdiffusionphenomenon．Thestudyfoundthat：(1)Publicopinioneventsasawholetakestheformbythecoretotheedgeofthelevelofdiffusion．Publi

3、copinioneventsinmicroblogdiffusion：abidebythenodesinthemodel，therighttohaveacenternode，namelyinformationpublisherforthefirsttime，thenthenodeisconnectedtothebridge，andatlastthelongtailnode，thespreadofpublicopinioneventsinmicrobloginfluencedegreedependsonbridgenodesize．(2)Publicopinio

4、neventsinpresentstagediffusiontimeandpresentcharacteristics—shapedcurve．Eventintheancientcityofphoenixchargingtimecanbedividedintopreclinicalstage，evolutionperiod，outbreak，spreadandfadingperiodfivestagesofdiffusion．Inaddition，intheancientcityofphoenixinthediffusionprocessofchargeacc

5、ident，proliferatorsshowedincreasedformacertaincumulativenumber，roughlythepresents-shapeddiffusion，accordswiththegenerallawofdiffusionofinnovation．(3)Publicopinionevents，thereexistsomedifferencesingeographicalspatialdiffusion．Ontheonehand，thedifferentperiodofgeographicalspatialdiffus

6、ionhascertaindifferences，mainlyspreadinthegeographicspacetimesectionandtimecurveisconsistent．Ontheotherhand，isadifferenttypeofgeographicalspreadexistdifferencesbetweenmicroblogusers．Certificationmicroblogusers，thisbloggerweiboinfluenceareverybig，depthandbreadthofinformationdiffusion

7、isthebiggestofa11．Itsappealisnotenoughstrongblogger，thereisnowaytogetthestrengthproliferatorshelpfanbase，depthandbreadthofinformationdiffusionareVlow．(4)Theproximityeffectonthespreadofpublicopinionspacedimensions．Theancientcityofphoenixforeventsintheprocessofspatialdiffusionpresents

8、acertaindegreeofpro