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1、ApplicationofGeographicInformationSystems*forRealEstateValuationSupportPiotrCICHOCIŃSKI,PiotrPARZYCH,PolandKeywords:GeographicInformationSystem,valuation,realestateparameters,dataprocessingtools.SUMMARYThelandandmortgageregisters,thecadastreofrealestate,therecordsoftheutilitynetworksandspatialdevel
2、opmentplans–themostimportantdatabasesofNationalGeographicInformationSystem(GIS)inPoland–arebasicinformationsourcesusedforvaluationofrealestates.Butunfortunately,thesedatabasesaredistracted,theyaremanagedbymanydifferentinstitutionsandtheaccesstothemisoftentroublesome.Itwouldbeusefultocollectallthene
3、cessarydataintheformofonesuitabledatabase,containinginformationdescribingeveryrealestate.Theuseofrelationaldatabasetechnologyforspatialdatastoragemakespossibletheapplicationofmodernobjectorientedmethodsforsuchdatabasedesign.TheanalysisoftheNationalGISdatabasesdetailedsubjectrangeproved,thattheydono
4、tcontainthecompletesetoftherequiredinformationtomakethevaluation.Particularlythespatialattributesofrealestateandrelationshipswithotherobjectsinthedirectandfurtherneighbourhood(utilitynetworks,majorroads,industrialplants)areessential.Mostoftensuchdataarenotrecordeddirectlyinthedatabases.Theauthorssu
5、ggesttheuseofGISdataprocessingtoolsforcalculationofadditionalrealestateparameters,essentialforvaluationprocess.Inparticular,thebufferingfunction,belongingtothecanonofspatialanalyses,whichcandeterminetherealestatedistancetootherobjects,andfunctionsfromthedomainofgeographicalnetworksanalyses,makingpo
6、ssiblecalculationofshortestpaths,deservetheattention.ThecomparisonofrequiredandavailabledataandtheknowledgeofGISfunctionalityallowedtopresentaproposedrangeofdata,whichcanbedirectlytransferredorgeneratedwiththehelpofGISsoftware.*Thisworkisfinancedfromfundsforscience,allocatedforyears2005–2008,resear
7、chprojectno.4T12E01629.TS7–GISandValuation1/12PiotrCichocińskiandPiotrParzychApplicationofGeographicInformationSystemsforRealEstateValuationSupportShapingtheChangeXXIIIFIGCongressMunich,Germany,October8-13,
