Abstract
In recent years, with the reforms to the land use system and the development of urbanization in China, land price evaluation has tended towards marketization. Prices are determined by the government, the land transaction market and the public. It is necessary to propose higher standards to be used in the evaluation process. This paper presents an online land price evaluation approach for convenience in evaluation. In a network environment, taking advantage of the data services provided by various departments, we propose two models to assist in decision-making: (1) a geographic information system (GIS)- and fuzzy set-based location factor quantification model, which adopts dynamic data, rules and quantification measures (based on the road network) to dynamically quantify location factors, thus transforming fuzzy sets into appropriate values; and (2) a neartude-based transaction sample push model, which quantifies the similarity between a given land and other samples, thus providing a basis for decision-making by an appraiser. This approach is applied in Shenzhen to evaluate its ability to simplify the work of appraisers and make their decisions more intuitive and objective in a real case.
Highlights
Land price evaluation is a process in which the price of land at a certain time is comprehensively evaluated
To take advantage of the analysis and technology provided by geographic information system (GIS) methods, this paper presents an online land price evaluation approach that can enable the full utilization and sharing of basic land data, assist with decision-making and make the entire evaluation process more transparent
To assist in decision-making regarding a reference sample, the proposed model uses fuzzy mathematics to establish fuzzy sets of samples and automatically pushes the most similar samples based on neartude, which is an important index introduced by Wang that describes the degree of similarity between two fuzzy sets [34]
Summary
Land price evaluation is a process in which the price of land at a certain time is comprehensively evaluated. Appraisers are constantly seeking out new principles, theories and methods of price evaluation so that they can evaluate land prices according to the economic and natural attributes of the land based on a complete understanding of the available land market transaction data They must consider the impacts of social and economic development, land use, land expected return and land use policies on revenue in accordance with land grades, property quality and average earnings in real economic activities. Many countries use information systems to gather and manage information concerning the price of real estate [3,4] Using this approach, the government could convert land price evaluation from a complicated paper-based process into a simple digital one. To take advantage of the analysis and technology provided by GIS methods, this paper presents an online land price evaluation approach that can enable the full utilization and sharing of basic land data, assist with decision-making and make the entire evaluation process more transparent
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