Residential stock house tax basis price evaluation method and system based on GIS (Geographic Information System) grid data

Abstract

A residential stock house tax basis price evaluation method and system based on GIS grid data comprises: acquiring administrative attributes, community features and house features, wherein each administrative attribute and each community feature are provided with a plurality of grades; selecting a transacted house from the historical data as a learning object, obtaining the grade of each administrative attribute, the grade of the community feature and the house feature corresponding to each learning object as sample data, and obtaining the transaction price of each learning object as annotation data; establishing an annotation sample in combination with the corresponding sample data and annotation data; and obtaining a training model and learning the labeled sample to obtain a price evaluation model with fixed parameters. According to the method and system, layer-by-layer progressive evaluation of district prices, housing estate prices and house prices is realized through division of district grids, housing estates and houses, price balance estimation in the same division region is realized on the same division level, and then house price estimation is finally realized through further supplementary correction.

Description

technical field [0001] The invention relates to the technical field of real estate valuation, in particular to a method and system for evaluating the tax base price of residential stock housing based on GIS grid data. Background technique [0002] With the advancement of my country's real estate marketization, housing transactions are becoming more and more frequent. Active market transactions provide a broad source of taxation for housing transaction tax collection and management, and at the same time put forward newer and higher requirements for tax collection agencies. In order to prevent as much as possible the behavior of both parties to the transaction who evade taxes by underdeclaring the transaction price in order to reduce transaction costs, the collection agency must supervise the transaction declaration price through the verification of the taxable price and plug the loopholes in collection and management. At present, most collection agencies use methods such as m...

AI Technical Summary

Problems solved by technology

At present, most collection agencies use methods such as market comparison method to evaluate houses. Because the market comparison method requires a high degree of similarity between comparable examples and the basic data of appraised houses, it is difficult to collect data and cannot meet all the requirements in the appraised area. Requirements for Fast and Accurate Property Appraisals

Images