Definition
(1)Networkinformationresourcesrefertothoserecordedindigitalform,expressedinmultimediaform,andstoredonnetworkcomputermagneticmedia,opticalmedia,andvariouscommunicationmedia,Andacollectionofinformationcontentdeliveredthroughcomputernetworkcommunication.
(2)Networkinformationresourcesrefertothecollectionofvariousformsofeducation-relatedknowledge,information,information,etc.,containedonthenetwork.
(3)Networkinformationresourcesrefertothesumofvariousinformationresourcesusedthroughcomputernetworks,includingcollectionsofelectronicdocuments,databases,digitalliteratureinformation,digitalbibliographicinformation,electronicnewspapers,etc.
(4)Networkinformationresourcesrefertothestorageoftexts,images,sounds,animationsandotherformsofinformationintheformofelectronicdatainnon-printedcarrierssuchasCDs,andcommunicatethroughthenetwork,Informationresourcesreproducedbycomputerorterminal.
(5)NetworkinformationresourcesrefertothecollectionofinformationthathumanscanobtainthroughtheInternetthroughthejointdevelopment,productionanddeliveryofcomputersandotherequipmenttomeethumanneeds.
Features
Comparedwithtraditionalinformationresources,networkinformationresourceshaveshownnewfeaturesintermsofquantity,structure,distributionandscopeofdissemination,carrierform,andmeansofconnotationtransmission.Features.
1.Storageisdigitizedandtransmissionisnetworked.
Informationresourceshavechangedfromtextonpapertoelectromagneticsignalsonmagneticmediaoropticalinformationonopticalmedia,andthedensityofstoredinformationishigh.,largecapacity.Informationindigitalformcanbetransmittedoverlongdistancesthroughinformationnetworks.Traditionalinformationstoragecarriersarepaper,tape,anddisk.Inthenetworkage,theexistenceofinformationtakesthenetworkasthecarrier,whichenhancestheutilizationandsharingofnetworkinformationresources.
2.Theformofexpressionisdiversifiedandthecontentisrich.
Networkinformationresourcesareall-encompassing,coveringinformationresourcesindifferentdisciplines,fields,regions,andlanguages.Youcanalsousetext,Image,audio,video,databaseandotherformsexist.Informationorganizationbecomesnon-linear,andhypertextandhypermediainformationresourceshavebecomethemainmethods.
3.Hugenumberandrapidgrowth
The25th"StatisticalReportontheDevelopmentoftheInternet"releasedbyCNNICinJanuary2010fullyreflectsthedevelopmentoftheInternetinChina.ItcanbeseenfromthisreportthatasofDecember30,2009,thenumberofChineseInternetusersreached384millionandthenumberofwebsitesreached3.23million.In2009,thenumberofwebpagesreached33.6billion,whichisarapidgrowth.Thelargeamountofnetworkinformation,therapidgrowthrate,andthewiderangeofdisseminationareunmatchedbyinformationresourcesinanyotherenvironment.
4.Thetransmissionspeedisfast,thescopeiswide,anditisinteractive.
Inthenetworkenvironment,thetransmissionandfeedbackofinformationisfastandsensitive.Informationflowsveryquicklyinthenetwork.Electronicflowreplacespaper.Withthefulluseofradiotechnologyandsatellitecommunicationtechnology,anyinformationresourcesuploadedtotheInternetcanbedeliveredtoeverycorneroftheworldinjustafewseconds..
Duetotheincreaseininformationsourcesandthefreedomtopublishinformationresources,theamountofnetworkinformationhasexploded.WiththepopularizationoftheInternet,itsspreadwillbecomewiderandwider.
Comparedwithtraditionalmedia,networkinformationdisseminationisinteractive.Itisproactive,participatoryandoperable.Peopletaketheinitiativetofindtheinformationtheyneedinonlinedatabases,andtheflowofonlineinformationistwo-wayinteractive.
5.Complexstructureandwidedistribution
Thereisnounifiedstandardandnormfortheorganizationandmanagementofnetworkinformationresources.Informationiswidelydistributedonserversindifferentcountries,regions,andlocations.,Differentserversusedifferentoperatingsystems,datastructures,charactersetsandprocessingmethods,andlackacentralizedandunifiedmanagementmechanism.
6.Informationsourcesarecomplexanddisorderly
ThesharingandopennessofthenetworkallowseveryonetorequestandstoreinformationontheInternet.Becausethereisnoqualitycontrolandmanagementmechanism,Thisinformationhasnotbeenrigorouslyeditedandsortedout,goodandbad,andalargenumberofbadanduselessinformationfloodstheInternet,formingacomplexinformationworld.
Networkinformationisstoredonnetworkcomputers.Duetothelackofunifiedcontrol,thequalityisuneven,thedistributionofinformationresourcesisscattered,anddevelopmentappearsdisorderly.
7.Dynamicinstability
Internetinformationaddresses,links,andcontentareconstantlychanging,andthedisorderandinstabilityoftheexistenceofinformationsourcesmakeinformationchanges,Thedemiseisunpredictable,andallthesehavebroughtobstaclestousers'choiceanduseofnetworkinformation.