Study On The Mathematical Model About Valuation And Tax Of The Stock Of Housing Based On Digital City System

Digital City from the1960s onwards, after decades of development, graduallydeveloped into a high-speed computer, visual graphics, three-dimensional systemcomposed of cutting-edge technology such as high-end technology. GIS system as animportant part of the digital city, by means of information provided to the publicurban infrastructure capabilities for the management of the government in variousfields to provide intelligent analysis. So that people’s understanding of the worldgradually space, three-dimensional.Housing stock valuation assessment as to the Inland Revenue’s basicmanagement functions, mainly rely on manual scene rough estimate approvedelements, accuracy is poor. Introduction of three-dimensional Geographic InformationSystem-based digital urban systems, by building high-resolution aerial images, DEMelevation data, superimposed architectural models and real estate, land, civil affairsdepartment data, in accordance with the real data in three-dimensional space to createa virtual simulation city. On the properties own attributes and external factors wereanalyzed to obtain a numerical estimate. Local Taxation Bureau in Jilin City as a pilotin the national implementation of the property tax levy in the first introduction of thepilot cities valuation nuclear Digital City tax is a new attempt, currently first in thecountry.These papers focuses on the virtual stock room to build three-dimensionalgeographic information system as well as by the use of mathematical models areanalyzed. The construction of the system mainly uses the Skyline software,geographic information system development framework, and program structure anddatabase construction. Analysis of mathematical models, including spatial decisionsupport models, data warehouse model and spatial data mining models.Implementation analysis and retrieval functions in the system of various types of data.Using three-dimensional simulation based algorithm to determine thethree-dimensional model of the location and the actual positioning coordinates. Onthis basis, the value of the stock of housing through factor analysis, carried out todetermine the value of the property. Focusing on the type of road grade the degree ofinfluence factors and business services score analysis. Certain criteria establishedurban nucleus tax zone, standard household property after the realization of theautomatic inventory valuation.In the simulation part of the housing stock of commercial services Jilin degree ofinfluence the actual scores were calculated to determine the four business servicecenter impact scores, and buffer analysis, business service center to obtain radiationranges to farther away, the lower the value of the property the principles assessmentof the value of housing stock. As a demonstration of this analysis method, applied to other factors affecting the value of the stock of housing calculations. While thedevelopment of the system features an illustration. Through this part of the proof of amathematical model of effective usability and effectiveness of the system in actualuse does help the municipal government, to avoid a real estate transaction evasion, toachieve substantial growth in fiscal revenue.