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An Effective Prediction Method for Supporting Decision Making in Real Estate Area Selection
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作者 Haoying Jin Song Yang Mingzhi Zhao 《Journal of Computer and Communications》 2024年第7期105-119,共15页
Real estate has been a dominant industry in many countries. One problem for real estate companies is determining the most valuable area before starting a new project. Previous studies on this issue mainly focused on m... Real estate has been a dominant industry in many countries. One problem for real estate companies is determining the most valuable area before starting a new project. Previous studies on this issue mainly focused on market needs and economic prospects, ignoring the impact of natural disasters. We observe that natural disasters are important for real estate area selection because they will introduce considerable losses to real estate enterprises. Following this observation, we first develop a self-defined new indicator named Average Loss Ratio to predict the losses caused by natural disasters in an area. Then, we adopt the existing ARIMA model to predict the Average Loss Ratio of an area. After that, we propose to integrate the TOPSIS model and the Grey Prediction Model to rank the recommendation levels for candidate areas, thereby assisting real estate companies in their decision-making process. We conduct experiments on real datasets to validate our proposal, and the results suggest the effectiveness of the proposed method. 展开更多
关键词 Real estate Natural Disaster Decision Making Prediction Model
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Empirical evidence on the ownership and liquidity of real estate tokens 被引量:1
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作者 Laurens Swinkels 《Financial Innovation》 2023年第1期1246-1274,共29页
To better understand the potential and limitations of the tokenization of real asset mar-kets,empirical studies need to examine this radically new organization of financial mar-kets.In our study,we examine the financi... To better understand the potential and limitations of the tokenization of real asset mar-kets,empirical studies need to examine this radically new organization of financial mar-kets.In our study,we examine the financial and economic consequences of tokenizing 58 residential rental properties in the US,particularly those in Detroit.Tokenization aims at fragmented ownership.We found that the residential properties examined have 254 owners on average.Investors with a greater than USD 5,000 investment in real estate tokens,diversify their real estate ownership across properties within and across the cities.Property ownership changes about once yearly,with more changes for proper-ties on decentralized exchanges.We report that real estate token prices move accord-ing to the house price index;hence,investing in real estate tokens provides economic exposure to residential house prices. 展开更多
关键词 Blockchain Cryptocurrency Real estate TOKENIZATION
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Research on the intelligent supervision and operation platform of railway real estate 被引量:2
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作者 Xiangru Lv Hui Li Beisheng Liu 《High-Speed Railway》 2023年第2期147-152,共6页
Railway real estate is the fundamental element of railway transportation production and operation.Effective management and rational utilization of railway real estate is essential for railway asset operation.Based on ... Railway real estate is the fundamental element of railway transportation production and operation.Effective management and rational utilization of railway real estate is essential for railway asset operation.Based on the investigation of the requirements of railway real estate management and operation,combined with Beidou positioning,GIS(Geographic Information System),multi-source data fusion and other cutting-edge technologies,this paper puts forward the multi-dimensional dynamic statistical method of real estate information,the identification method of railway land occupation and the comprehensive evaluation method of real estate development and utilization potential,and build the railway real estate supervision and operation platform,design the function of the platform,so as to provide intelligent solutions for the railway real estate operation. 展开更多
关键词 RAILWAY Real estate supervision GIS Beidou positioning Multi-sourcedata fusion
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Prioritizing real estate enterprises based on credit risk assessment:an integrated multi‑criteria group decision support framework 被引量:1
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作者 Zhen‑Song Chen Jia Zhou +5 位作者 Chen‑Ye Zhu Zhu‑Jun Wang Sheng‑Hua Xiong Rosa M.Rodríguez Luis Martínez Mirosław J.Skibniewski 《Financial Innovation》 2023年第1期2939-2991,共53页
Credit risk assessment involves conducting a fair review and evaluation of an assessed subject’s solvency and creditworthiness.In the context of real estate enterprises,credit risk assessment provides a basis for ban... Credit risk assessment involves conducting a fair review and evaluation of an assessed subject’s solvency and creditworthiness.In the context of real estate enterprises,credit risk assessment provides a basis for banks and other financial institutions to choose suitable investment objects.Additionally,it encourages real estate enterprises to abide by market norms and provide reliable information for the standardized management of the real estate industry.However,Chinese real estate companies are hesitant to disclose their actual operating data due to privacy concerns,making subjective evalu-ation approaches inevitable,occupying important roles in accomplishing Chinese real estate enterprise credit risk assessment tasks.To improve the normative and reliability of credit risk assessment for Chinese real estate enterprises,this study proposes an integrated multi-criteria group decision-making approach.First,a credit risk assessment index for Chinese real estate enterprises is established.Then,the proposed framework combines proportional hesitant fuzzy linguistic term sets and preference ranking organization method for enrichment evaluation II methods.This approach is suitable for processing large amounts of data with high uncertainty,which is often the case in credit risk assessment tasks of Chinese real estate enterprises involving massive subjec-tive evaluation information.Finally,the proposed model is validated through a case study accompanied by sensitivity and comparative analyses to verify its rationality and feasibility.This study contributes to the research on credit assessment for Chinese real estate enterprises and provides a revised paradigm for real estate enterprise credit risk assessment. 展开更多
关键词 Real estate enterprise Credit risk assessment PROMETHEE II Best–worst method Proportional hesitant fuzzy linguistic term sets
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Architecting the Metaverse: Blockchain and the Financial and Legal Regulatory Challenges of Virtual Real Estate 被引量:1
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作者 James Hutson Gaurango Banerjee +2 位作者 Naresh Kshetri Kurt Odenwald Jeremiah Ratican 《Journal of Intelligent Learning Systems and Applications》 2023年第1期1-23,共23页
There has been disagreement over the value of purchasing space in the metaverse, but many businesses including Nike, The Wendy’s Company, and McDonald’s have jumped in headfirst. While the metaverse land rush has be... There has been disagreement over the value of purchasing space in the metaverse, but many businesses including Nike, The Wendy’s Company, and McDonald’s have jumped in headfirst. While the metaverse land rush has been called an “illusion” given underdeveloped infrastructure, including inadequate software and servers, and the potential opportunities for economic and legal abuse, the “real estate of the future” shows no signs of slowing. While the current virtual space of the metaverse is worth $6.30 billion, that is expected to grow to $84.09 billion by the end of 2028. But the long-term legal and regulatory considerations of capitalizing on the investment, as well as the manner in which blockchain technology can secure users’ data and digital assets, has yet to be properly investigated. With the metaverse still in a conceptual phase, building a new 3D social environment capable of digital transactions will represent most of the initial investment in time in human capital. Digital twin technologies, already well-established in industry, will be ported to support the need to architect and furnish the new digital world. The return on and viability of investing in the “real estate of the future” raises questions fundamental to the success or failure of the enterprise. As such this paper proposes a novel framing of the issue and looks at the intersection where finance, technology, and law are converging to prevent another Dot-com bubble of the late 1990s in metaverse-based virtual real estate transactions. Furthermore, the paper will argue that these domains are technologically feasible, but the main challenges for commercial users remain in the legal and regulatory arenas. As has been the case with the emergence of online commerce, a legal assessment of the metaverse indicates that courts will look to traditional and established legal principles when addressing issues until the enactment of federal and/or state statutes and accompanying regulations. Lastly, whereas traditional regulation of real estate would involve property law, the current legal framing of ownership of metaverse assets is governed by contract law. 展开更多
关键词 Blockchain Digital Real estate Digital Retail Digital Twin Digital Content FINANCE Metaverse
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A Concept about Guide on Hazards for the Real Estate Business-An Example from Bulgaria
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作者 Boyko Ranguelov Rumiana Glavcheva 《Journal of Civil Engineering and Architecture》 2023年第2期101-107,共7页
The paper is a part of wider investigation related to the application of basic sciences to the sustainable development of society.It deals with the presentation of knowledge to the real estate(fast growing business)ab... The paper is a part of wider investigation related to the application of basic sciences to the sustainable development of society.It deals with the presentation of knowledge to the real estate(fast growing business)about the local natural and man-made hazards in the near vicinity of any structure(inhabitant,recreation area,land,etc.)and their influence to the social safety and human comfort of life.The structure,necessary information and knowledge base for visible or hidden hazards about a guide for the real estate business is included.An example of application the knowledge about seismic hazard and related phenomena simplified to be more available to the non-specialists(such as real estate agents and companies)targeted to Sofia(the largest urban center and capital of Bulgaria)can attract and improve the learning abilities of the real estate for the society’s sake. 展开更多
关键词 Real estate local environment hazards knowledge guide
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Assessment of Compliance to Building Energy Efficiency Strategies in the Development of Housing Estates in FCC, Abuja Nigeria
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作者 Irene Amahagbor Macaulay Joshua Innocent Magaji +1 位作者 Innocent Ehiaguina Bello Abugu Nkechinyere Anthonia 《Open Journal of Energy Efficiency》 2023年第2期36-48,共13页
Compliance to local energy efficiency strategies can significantly reduce energy consumption in buildings and promote sustainability. However, Nigeria Building Energy Efficiency Code (BEEC) seems to be just paper work... Compliance to local energy efficiency strategies can significantly reduce energy consumption in buildings and promote sustainability. However, Nigeria Building Energy Efficiency Code (BEEC) seems to be just paper work without enforcement or compliance. Assessment of Compliance to Green Building Energy Efficiency Strategies in the Development of Housing Estates in FCC, Abuja Nigeria was carried out. The compliance of estate buildings to BEEC in the study area was assessed;and the aspects of the building energy efficiency strategies with more compliance were determined. Data were mainly from primary sources such as questionnaire survey, interview with key informants and observation. The study population included all estate developers and building construction professionals. Data were gathered from one hundred and fifty (150) building professionals through questionnaire administration. Data collected were analysed using Z score and ANOVA and presented in tables. Results show that only 18% of respondents agreed that building complied with BEEC, and the Z score for positive affirmation is below average score. There is a significant difference in the integration of different energy efficient management strategies in the estates’ construction at 95% confidence level. The integration of measures such as window to wall ratio and window shading’ were significantly higher than other BEEC strategies such as roof insulation and minimal air condition unit (≤EER/COP of 2.8). Thus, the development of estates in FCC Abuja did not achieve energy efficiency. 展开更多
关键词 Energy Efficiency estate Green Building COMPLIANCE HOUSING
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A Review of Domestic and Foreign Research on Real Estate Financial Management
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作者 Xiuzhi Yuan 《Proceedings of Business and Economic Studies》 2023年第2期9-19,共11页
With the tightening of house purchase policies in recent years, the introduction of financial and land restriction policies, as well as the impact of the COVID-19 pandemic, real estate bombshells are common. Real esta... With the tightening of house purchase policies in recent years, the introduction of financial and land restriction policies, as well as the impact of the COVID-19 pandemic, real estate bombshells are common. Real estate is in the critical stage of transformation and upgrading, and industrial development is facing dire challenges and pressure for survival. As an important part of enterprise management, financial management is directly related to the success or failure of enterprise development. Facing the financial risks emerging in the financial management of the real estate industry at this stage, this review begins from financial management personnel training, investment calculation management, budget management, and asset management in the effort of optimizing the real estate financial management operating mechanism under the new situation and ensuring the healthy and stable development of real estate enterprises, while maintaining core competitiveness. 展开更多
关键词 Real estate Financial management Investment calculation BUDGET
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Examining the Impact Factors and Strategies to Mitigate Economic Fluctuation in the Real Estate Sector
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作者 Yadong Xiao 《Proceedings of Business and Economic Studies》 2023年第5期54-58,共5页
With the continuous growth of the economy and the rapid pace of urbanization,the real estate sector has assumed an increasingly substantial role within the national economy.Ensuring the stable and sustainable developm... With the continuous growth of the economy and the rapid pace of urbanization,the real estate sector has assumed an increasingly substantial role within the national economy.Ensuring the stable and sustainable development of the real estate sector to maximize its societal and economic contributions has become a pressing issue.China,presently engaged in an extensive urbanization drive,places real estate development and sales as pivotal components in the broader real estate industry,significantly impacting the overall functionality of the real estate market.Real estate,being a comprehensive system encompassing land,housing,infrastructure,and other key elements,exerts a profound influence on people’s basic needs such as shelter,sustenance,and daily living.Its evolution directly shapes the trajectory of the national economy and social stability.Therefore,to foster the consistent and robust growth of China’s real estate economy,it is necessary to implement effective measures that entail a systematic and thorough analysis of the factors responsible for the fluctuations in China’s real estate economy. 展开更多
关键词 Real estate Economic fluctuations Influencing factors COUNTERMEASURES
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基于AI-ESTATE的远程故障诊断系统 被引量:5
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作者 赵鞭 王国华 +1 位作者 唐俊 徐兴 《计算机测量与控制》 CSCD 北大核心 2010年第5期974-977,共4页
基于某电子设备的自动测试系统,参照IEEE的AI-ESTATE标准建立了一个远程故障诊断系统;在该远程故障诊断系统中,封装了不同的故障诊断模型和人工智能算法;诊断测试信息用XML语言描述,诊断推理机用DCOM组件实现,从而使诊断知识与诊断推理... 基于某电子设备的自动测试系统,参照IEEE的AI-ESTATE标准建立了一个远程故障诊断系统;在该远程故障诊断系统中,封装了不同的故障诊断模型和人工智能算法;诊断测试信息用XML语言描述,诊断推理机用DCOM组件实现,从而使诊断知识与诊断推理机分离,便于诊断知识的共享和诊断推理机的移植;为了优化测试序列,采用了最大信息熵故障诊断策略;另外还详细介绍了诊断推理机服务的定义和DCOM组件的具体实现方法;该诊断系统具有跨平台和面向网络服务的特点。 展开更多
关键词 AI—estate XML DCOM 故障诊断
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基于AI-ESTATE的开放式故障诊断系统体系结构研究 被引量:2
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作者 姜会霞 郑思龙 李柯 《计算机测量与控制》 北大核心 2013年第12期3166-3168,共3页
论文分析了开放式故障诊断系统构建的必要性,提出了构建基于AI-ESTATE的开放式故障诊断系统体系结构;"4+1"多视图体系结构模型从不同的视角描述系统,针对开放式故障诊断系统的需求分析了其组织视图、功能视图、信息视图和过... 论文分析了开放式故障诊断系统构建的必要性,提出了构建基于AI-ESTATE的开放式故障诊断系统体系结构;"4+1"多视图体系结构模型从不同的视角描述系统,针对开放式故障诊断系统的需求分析了其组织视图、功能视图、信息视图和过程视图,并建立了各视图的结构图,从而全面描述了基于AI-ESTATE开放式故障诊断系统的基本组成、功能、测试与诊断信息流和动态运行模式,体现了诊断系统的模块化、可移植、互操作,为系统的具体开发和应用提供了方法;该方法已用于相关系统的开发,结果表明该体系结构能够实现诊断信息的共享和诊断模型的可移植性。 展开更多
关键词 AI estate 体系结构 故障诊断 开放式
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Analysis on the Competitiveness of Industrial Real Estate Based on Diamond Model ——Taking Jiangxi Province as an Example 被引量:1
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作者 刘群红 周杨一 朱梦梅 《Agricultural Science & Technology》 CAS 2017年第8期1531-1535,共5页
Based on the current development of industrial real estate of Jiangxi Province, comprehensive analysis was conducted to 6 aspects using the idea of diamond model, namely, factor conditions, demand conditions, related ... Based on the current development of industrial real estate of Jiangxi Province, comprehensive analysis was conducted to 6 aspects using the idea of diamond model, namely, factor conditions, demand conditions, related and supporting industries, firm strategy, structure and rivalry, government and chance through the comparison with the other industrial real estates and analysis on horizontal competition in China. Development countermeasures were investigated to improve the competitiveness of the industrial real estate in Guangxi, putting forward the strategies of developing the role of government and business, seizing the opportunities of the times, city-industry integration development, implementation of industrial integration and integration of city development, the implementation of industrial integration and investment planning. 展开更多
关键词 Diamond Model Industrial real estate COMPETITIVENESS
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Cyclical fluctuations of real estate investment across regions in urban China
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作者 王延树 成虎 徐鹏富 《Journal of Southeast University(English Edition)》 EI CAS 2008年第2期228-233,共6页
Taking the concrete conditions of each region into full consideration, the Chinese real estate market is divided into an eastern market, a central market and a western market. For each market, the autoregressive integ... Taking the concrete conditions of each region into full consideration, the Chinese real estate market is divided into an eastern market, a central market and a western market. For each market, the autoregressive integrated moving average (ARMA) model is established and spectral analysis is carded out to better understand the changes in the real estate markets in each region. The results show the investment levels and several kinds of cycles within each market. The level of real estate investment (LREI)in the eastern region is the higiaest, and the short cycle of investment is about 4 to 5 years; the LREI in the central region is in the middle, and the short cycle of investment is about 2 to 3 years; the LREI in the western region has been rapidly increasing in recent years, and the short cycle of investment is about 4 to 5 years. Real estate investment in each area has reached a peak and completed a middle-cycle movement after a period of sustained recession and an upsurge process, which has taken about 9 to 10 years. 展开更多
关键词 real estate investment ARMA model spectral analysis cycle of investment
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面向远程诊断的AI-ESTATE智能诊断系统研究动态
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作者 姜会霞 范书义 王成 《计算机测量与控制》 2017年第4期1-4,11,共5页
通过封装服务、规范标准服务,AI—EATATE为诊断系统的客户端和应用对象的扩展、测试与诊断的分离提供了条件,使其更适合远程控制的诊断系统的构建;分析了武器装备远程故障诊断对知识重用与共享、软件互操作的需求,提出了面向远程诊断的A... 通过封装服务、规范标准服务,AI—EATATE为诊断系统的客户端和应用对象的扩展、测试与诊断的分离提供了条件,使其更适合远程控制的诊断系统的构建;分析了武器装备远程故障诊断对知识重用与共享、软件互操作的需求,提出了面向远程诊断的AI-ESTTAE智能诊断系统构建的方法;研究了AI-ESTATE智能诊断系统的基本结构和框架,讨论了AI-ESTATE在发展过程中其服务的变化对开放、远程智能诊断系统构建的影响;最新的AI-ESTATE标准规范的服务更加强了对诊断过程的控制和效果评估,论文采用状态图的方式分析了最新的AI-ESTTAE服务在远程故障诊断过程的作用,为符合AI-ESTATE标准的远程故障诊断系统的开发提供了方法。 展开更多
关键词 AI—estate 远程诊断 服务 接口
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基于STEP的AI—ESTATE数据类型转换方法
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作者 姜会霞 孟晨 +1 位作者 范书义 郭延庆 《军械工程学院学报》 2010年第5期68-71,共4页
针对ATML标准中诊断信息描述一致性问题,提出了基于STEP的AI—ESTATE数据类型转换方法。首先介绍了ATML中诊断信息的描述标准,其次分析了AI—ESTATE信息描述的转换方法,然后应用STEP28针对CEM存在的数据类型进行了EXPRESS-XML匹配结... 针对ATML标准中诊断信息描述一致性问题,提出了基于STEP的AI—ESTATE数据类型转换方法。首先介绍了ATML中诊断信息的描述标准,其次分析了AI—ESTATE信息描述的转换方法,然后应用STEP28针对CEM存在的数据类型进行了EXPRESS-XML匹配结构和功能结构一致性研究,最后建立了CEM典型数据类型的XML标准化描述。 展开更多
关键词 AI—estate STEP 数据类型
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Planting a Business
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作者 MA LI 《ChinAfrica》 2024年第1期46-47,共2页
In their hometown of Hengxi Village,Xinxing Town,Songyang County,Lishui,Zhejiang Province in east China,young entrepreneurs Ye Jianhua and Fang Jing have a greenhouse estate.The couple described the 1.3-hectare area a... In their hometown of Hengxi Village,Xinxing Town,Songyang County,Lishui,Zhejiang Province in east China,young entrepreneurs Ye Jianhua and Fang Jing have a greenhouse estate.The couple described the 1.3-hectare area as their main battleground for entrepreneurship. 展开更多
关键词 VILLAGE estate GREENHOUSE
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Infinite Loop?What Is Behind the Ongoing Turmoil in the Banking Sector?
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作者 Kong Decong Huanyu Li 《Economics World》 2024年第2期77-82,共6页
The war in Ukraine is unfortunately not over,to add insult to injury,Silicon Valley Bank collapses and Credit Suisse acquired by UBS under the Swiss emergency legislation.The merger of Credit Suisse with UBS,Switzerl... The war in Ukraine is unfortunately not over,to add insult to injury,Silicon Valley Bank collapses and Credit Suisse acquired by UBS under the Swiss emergency legislation.The merger of Credit Suisse with UBS,Switzerland’s biggest bank,has also raised concerns about the proliferation of more institutions deemed“too big to fail”.Through the study of four financial crises in the past 100 years,this paper believes that behind this potential financial crisis is still the real estate bubble,but the significant problems in the United States are the most worrying.Post-financial crisis recessions are costlier and last longer than normal recessions.When credit booms are superimposed with asset price bubbles,financial crises are highly likely and economic recovery will be slower.In this paper,relative data and regression model are used to analyze the causes of the crisis;further this paper discusses the reasons behind the financial crisis and related conjectures and gives relevant development speculations. 展开更多
关键词 financial crisis real estate regression analysis
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China's Real Estate Market: Performance and Prospects
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作者 邓郁松 《China Economist》 2016年第1期71-91,共21页
Great changes have taken place in China's real estate market during the 12th Five-year Plan period. The real estate market has shifted from being undersupplied to having an equilibrium of supply and demand with regio... Great changes have taken place in China's real estate market during the 12th Five-year Plan period. The real estate market has shifted from being undersupplied to having an equilibrium of supply and demand with regional oversupply. Real estate risks in some cities have begun to emerge, but overall real estate risks remain controllable. Given the major changes taking place in the supply and demand of China's real estate market and the current stage of its development, it is projected that China's real estate investment growth will continue to slow down during the 13th Five-year Plan period and pressures on the renovation of inventory housing will intensify. According to the changes in the development of China's current real estate market, the objectives of real estate development will be adjusted to put a higher premium on the development level, the quality of real estate development, and the improvement of housing conditions. Reform and policy adjustments should be carried out to effectively prevent real estate market risks and to achieve stable operations inside the real estate market itself. 展开更多
关键词 real estate industry PROSPECTS RECOMMENDATIONS
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Research on Rural Collective Land Ownership Confirmation Based on Unified Registration of Real Estate 被引量:1
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作者 况婷 胡细英 《Agricultural Science & Technology》 CAS 2017年第12期2650-2652,共3页
Rural collective land ownership registration is a basic work to safeguard farmers' land rights and interests, and promote rural reform and development, which involves the vital interests of the peasants, and has grea... Rural collective land ownership registration is a basic work to safeguard farmers' land rights and interests, and promote rural reform and development, which involves the vital interests of the peasants, and has great influence on the rural economic and social development. However, there are many problems in rural col- lective land ownership registration and certification, such as unclear rural land own- ership subject and nature; not unified understanding of registration, no high enthusi- asm of the grass-roots work; prominent registration policy contradictions, serious shortage of investment, which seriously affect the rural land ownership registration work. In order to solve these problems, some suggestions are put forward on pro- moting the rural land ownership registration work smoothly. 展开更多
关键词 Real estate registration Rural collective land Right confirmation
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Trends in the incidence of cryptorchidism and hypospadias of registry-based data in Korea: a comparison between industrialized areas of petrochemical estates and a non-industrialized area 被引量:9
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作者 Sae Chul Kim Su Kyoung Kwon Yeon Pyo Hong 《Asian Journal of Andrology》 SCIE CAS CSCD 2011年第5期715-718,共4页
This study aimed to represent the recent trends in the nationwide incidence of cryptorchidism and hypospadias in Korea, and to determine whether there is evidence of spatial heterogeneity in the incidence. The inciden... This study aimed to represent the recent trends in the nationwide incidence of cryptorchidism and hypospadias in Korea, and to determine whether there is evidence of spatial heterogeneity in the incidence. The incidence was calculated as the number of newly diagnosed patients (males) during the first 4 years after a live birth in a population, nationally and regionally (a non-industrialized area (Chuncheon) and petrochemical estates (Yeocheon and Ulsan)), between 2000 and 2005. The data (numerator) for new patients were acquired from the National Health Insurance Review Agency, and the data (denominator) for the resident registration population were from the National Statistical Office. Between 2000 and 2005, the national incidence of cryptorchidism and hypospadias had an increased tendency from 5.01 to 17.43 per 10 000 persons and from 1.40 to 3.28 per 10 000 persons, respectively. The incidence of cryptorchidism was significantly higher in Yeocheon (throughout the study period) and in Ulsan (2001, 2002, 2004 and 2005) than the national incidence, whereas the incidence in Chuncheon was significantly lower in 2001 and 2002. It was difficult to compare the rates of hypospadias yearly and regionally because of the small number of cases. In conclusion, the incidence of cryptorchidism has recently increased in Korea. The petrochemical estates, Yeocheon and Ulsan, had a significantly higher incidence of cyptorchidism than the national incidence, which suggests that further study is needed to obtain a more precise estimation of the trends in the incidence of the anomalies and to confirm the association between petrochemicals and the anomalies. 展开更多
关键词 CRYPTORCHIDISM HYPOSPADIAS INCIDENCE petrochemical estate
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