The right to digital development,rooted in the fundamental right to development,emerges in response to the transformations of our era and serves as a catalyst for Chinese modernization.Building upon the traditional ri...The right to digital development,rooted in the fundamental right to development,emerges in response to the transformations of our era and serves as a catalyst for Chinese modernization.Building upon the traditional right to development,the right to digital development aims to meet the people’s aspirations for a better life in the context of digital development.By integrating a technological perspective,this concept advances the theoretical evolution of the right to development in line with contemporary realities.In terms of generation logic,the right to digital development is grounded in policies supporting Chinese modernization,guided by the development of new quality productive forces,and oriented toward addressing the people’s aspirations for a better life and society’s sustainable digital transformation.Ultimately,this framework constructs a normative structure encompassing the right to digital development opportunity,the right to digital development condition,and the right to digital development realization as a cohesive whole.From a value-oriented perspective,the right to digital development adheres to a people-centered philosophy of development,grounded in practical considerations.It addresses the digital divide as a focal point,gradually mitigating digital exclusion and circumventing digital malpractices,thereby fostering digital sharing.Integrating the right to digital development into the conceptual framework of the right to development can complete the institutional construction of digital development through the theoretical architecture of“condition-opportunity-realization.”This integration helps to better safeguard people’s rights and interests in digital development and promotes the free and comprehensive development of individuals.展开更多
Technology is transforming China’s economy,governance and quality of life What fascinates me most about China’s digital development is how deeply it has transformed the economy,not only in cities,but across farms,fa...Technology is transforming China’s economy,governance and quality of life What fascinates me most about China’s digital development is how deeply it has transformed the economy,not only in cities,but across farms,factories,and daily life.Digitalisation here is not a privilege of the elite but a nationwide strategy applied to the primary,secondary,and tertiary sectors with purpose and precision.展开更多
The digital development rights in developing countries are based on establishing a new international economic order and ensuring equal participation in the digital globalization process to achieve people's well-ro...The digital development rights in developing countries are based on establishing a new international economic order and ensuring equal participation in the digital globalization process to achieve people's well-rounded development in the digital society.The relationship between cross-border data flows and the realization of digital development rights in developing countries is quite complex.Currently,developing countries seek to safeguard their existing digital interests through unilateral regulation to protect data sovereignty and multilateral regulation for cross-border data cooperation.However,developing countries still have to face internal conflicts between national digital development rights and individual and corporate digital development rights during the process of realizing digital development rights.They also encounter external contradictions such as developed countries interfering with developing countries'data sovereignty,developed countries squeezing the policy space of developing countries through dominant rules,and developing countries having conflicts between domestic and international rules.This article argues that balancing openness and security on digital trade platforms is the optimal solution for developing countries to realize their digital development rights.The establishment of WTO digital trade rules should inherently reflect the fundamental demands of developing countries in cross-border data flows.At the same time,given China's dual role as a digital powerhouse and a developing country,it should actively promote the realization of digital development rights in developing countries.展开更多
THE president of the Guinean National Communications Council, Martine Conde, had a busy but fruitful trip to China in June this year. She attended the Fourth African Digital TV Development Seminar where delegates and ...THE president of the Guinean National Communications Council, Martine Conde, had a busy but fruitful trip to China in June this year. She attended the Fourth African Digital TV Development Seminar where delegates and oF flcials discussed how best to further expand the coverage of digital TV and build a friendly industrial environment for digitalization. She also took the opportunity to lobby for investments to develop Guinea＇s digital projects. To her satisfaction, the Export-Import Bank of China expressed willingness to cooperate in the area.展开更多
Ctrip was founded in Shanghai in 1999.Thanks to the rapid development of China's Internet and the continuous improvement in cyberspace rule of law,Ctrip has seized the opportunity to thrive in the online travel in...Ctrip was founded in Shanghai in 1999.Thanks to the rapid development of China's Internet and the continuous improvement in cyberspace rule of law,Ctrip has seized the opportunity to thrive in the online travel industry and has been constantly developing in a standardized manner.In recent years,with revolutionary innovations in the field of artificial intelligence and the high-quality development of cyberspace rule of law that provides strong protection,Ctrip and other Internet enterprises have been able to fully focus on breaking through new technologies,planning new scenarios,providing new services,and achieving new developments.We have reflected on personal information and data systems.展开更多
The development of digital villages and the expansion of farmers’consumption are important measures for expanding domestic demand and enhancing rural productive forces.Based on provincial panel data from China spanni...The development of digital villages and the expansion of farmers’consumption are important measures for expanding domestic demand and enhancing rural productive forces.Based on provincial panel data from China spanning 2010 to 2022,this paper establishes an evaluation indicator system for the development of digital villages,and empirically examines the impact of the development of digital villages on farmers’consumption growth,as well as its mechanisms,and spatial spillover effects.The results indicate that digital village development significantly promotes growth in the consumption of farmers,with the effects being more pronounced in the central and western regions.Mechanism analysis reveals that digital village development has a significant income-increasing effect and it improves the convenience of payments,both of which serve as important channels for promoting farmers’consumption growth.Further analysis demonstrates the significant spatial spillover effects of digital village development on farmers’consumption growth.Specifically,farmers’consumption growth is not only directly influenced by local digital village development and the demonstration effect of consumption growth in neighboring regions,but it is also indirectly influenced by the digital village development of nearby areas.Therefore,the promotion of digital village development,tailored to local conditions,the broadening of channels for increasing farmers’income,the strengthening of digital inclusive finance,and the rational leveraging of the spatial spillover effects of digital village development can further unleash the potential of farmers’consumption.展开更多
Global Memory Net (GMNet) is intended to be an effective gateway to the world cultural, historical, and heritage image collections from selected academic educational and research partners in the world. Much of these u...Global Memory Net (GMNet) is intended to be an effective gateway to the world cultural, historical, and heritage image collections from selected academic educational and research partners in the world. Much of these unique collections of great value to education and research are not currently accessible due to distance, form, and technical barriers. This project is to find new ways to enable users to access and exploit these significant research collections via global network. As GMNet is ending its first 5-year phase in October 2005, it has contributed substantially to the community building in digital library development by ac- commodating numerous collaborators and technical staff from various parts of the world to spend 3 to 5 months as a full-member of the GMNet team in Boston. They have come from different parts of China—such as Sichuan, Hainan, Shanghai and Xi’an; Croatia; and Hanoi, Vietnam. In addition to contribute to the overall system development and enhancement of system function- alities, they have brought valuable sample image collections of their own institutions/countries, and actually developed prototype collections as a part of GMNet. This paper describes the exciting and productive experience of the first of this visiting research group in developing the GMNet’s Version 2.0 PHP-based system under Prof. Chen’s overall supervision. It also describes both the system’s technical level structure—user/Web-based application/data, and complex functionalities with multi-collection, multi-lingual, multi-modal searching capabilities; system management capabilities; as well as provisions for user uploads and retrieval for our own projects. This Version 2.0 system is built on the Linux/Apache/PHP/MySQL platform. What is described in this paper is an actual case which has formed a base for further new development by others in the research group. It demonstrates fully the value of the synergistic collaboration among global partners for universal digital library development. More information can be found in http://www.memorynet.org/.展开更多
World experience indicates the existence of significant imbalances in the development of countries.The problem of assessing the rational development of the regional and national economy is becoming urgent,since such a...World experience indicates the existence of significant imbalances in the development of countries.The problem of assessing the rational development of the regional and national economy is becoming urgent,since such assessments can prevent development imbalances across countries.The aim of this study is to elaborate a methodology to assess the countries’socio-economic development by integraring 12 modern indices of socio-economic development into the Composite Country Development Index(CCDI).The methodology of this research was based on a set of key indices that described socio-economic development level in four fields(social development,digital development,economic development,and environmental security)and then these indices were integrated into the CCDI.The study further applied factor analysis and R-Studio software to define the gaps of social and economic development in 59 selected countries using the trigonometric function of the angle sine.The correlation analysis confirmed the existence of a close interrelation among the studied countries.This paper noted that due to the emergence of new priorities,it is necessary to revise the assessment methodology of socio-economic development level and expand them to cover the decisive factors.This was confirmed by the results obtained,demonstrating various combinations of the development level in the four fields and their impact on the CCDI.The scientific contribution of this research is to form a methodology(e.g.,the CCDI)for evaluating the socio-economic development level of countries in the world.展开更多
A software for the management of computer aided design（CAD） drawings was developed. It can be used to classify and register information including geometric features of the drawings, and to search appropriate referen...A software for the management of computer aided design（CAD） drawings was developed. It can be used to classify and register information including geometric features of the drawings, and to search appropriate reference drawings matching the given conditions of a new design. The thumbnails of the drawings can be displayed in an order of preference and can be used to zoom and access the PDF file or CAD data of a selected drawing. The thumbnails and the data structure are two key elements of the software.展开更多
This paper is focused on a higher-level report of a new generation of Unmanned Aerial Vehicle (UAV) technologies. Starting from the structural scalability of civil tiltrotors, design strategy and requirements for UAVs...This paper is focused on a higher-level report of a new generation of Unmanned Aerial Vehicle (UAV) technologies. Starting from the structural scalability of civil tiltrotors, design strategy and requirements for UAVs, and advanced composite materials, the increased speed and productivity requirements for tiltrotors have spawned several investigations associated with proprotor aero elastic stability augmentation and aerodynamic performance enhancements. The research emphasized the Large Civil Tilt Rotor as the configuration with the best potential to meet the technology goals, and the design, including the challenges of the Large Civil Tilt Rotor (LCTR). The design presented was economically competitive, with the potential for substantial impact on the air transportation system. The research includes some manufacturers of helicopters, drones and tiltrotors carrying out design studies and production of prototypes, as well as research projects aimed at designing, manufacturing, qualifying, and flight-testing the new wing of the Next-Generation Civil Tiltrotor Technology Demonstrator. Promises of Vertical Take-off and Landing (VTOL) aircraft, UAVs, Digitalization of Urban Air Mobility (UAM), and the “U-space” concept are discussed in the paper. The eight SUMP principles and possibilities of future advancements are emphasized.展开更多
A method of optimizing the fault management system in power plants based on DD-RCM （resultchain based modeling for digital developing） and TPN （temporal Petri net） is proposed. First, the model of the fault manage...A method of optimizing the fault management system in power plants based on DD-RCM （resultchain based modeling for digital developing） and TPN （temporal Petri net） is proposed. First, the model of the fault management system was set using DD-RCM. Then, it was transformed to the temporal Petri net model by corresponding rules. Secondly, relationships among all the activities, such as choice, conflict, synchronization and concurrency, were confirmed according to the Petri net model and described employing the reengineering algorithm of incidence matrix. Thirdly, the Petri net model was reduced by combining reduction rules and conflict, synchronization relationships to optimize the fault management system in power plants. Finally, the functionality of the reduced net was proved by the temporal logic of the temporal Petri net.展开更多
In this digital era, we have witness the exciting convergence of content, technology, and global collaboration in the development of digital libraries. The mode of universal access for information seeking and knowledg...In this digital era, we have witness the exciting convergence of content, technology, and global collaboration in the development of digital libraries. The mode of universal access for information seeking and knowledge acquisition differs greatly fi＇om the traditional ways. From the information resources point of views, the old model of“owning” a collection has given way to “sharing,” and the new emphases have shifted fi＇om possessing large “physical libraries” to “virtual libraries” digitally distributed all over the world. “Universal access” has taken on a very different meaning when one has the ability to share invaluable resources through the use of cutting edge technologies. The author has experienced much of these transformations through her own R＆D activities-from the creation of interactive videodisc and multimedia CD on the First Emperor of China＇s terracotta warriors and horses in the 1980s and 1990s to leading a current international digital library project, Global Memory Net （GMNet）, supported by the US National Science Foundation. In presenting her vision for linking world digital resources together for universal access, she will share with the audience the latest development of Global Memory Net.展开更多
On May 16,2019,the CPC Central Committee and the State Council issued Outline of Digital Village Development Strategy(shortened into the Outline in the following part),together with a notice requiring discreet impleme...On May 16,2019,the CPC Central Committee and the State Council issued Outline of Digital Village Development Strategy(shortened into the Outline in the following part),together with a notice requiring discreet implementation by related departments in all areas.The Outline points out that by 2020,a primary progress should be achieved in the field of digital village construction.The coverage rate of 4G in administrative villages of the country should be more than 98%,and the popularization rate of internet connection should be significantly promoted in the rural area.展开更多
The importance of carbon emissions reduction notwithstanding,the issue of its inequality should also elicit the urgent attention of scholars.This paper first evaluates the carbon inequality between urban and rural are...The importance of carbon emissions reduction notwithstanding,the issue of its inequality should also elicit the urgent attention of scholars.This paper first evaluates the carbon inequality between urban and rural areas based on a panel dataset of 30 provinces in China from 2006 to 2019.Then we quantitively investigate the role of digital economy development in reducing carbon inequality.We further explore the possible moderating role of residential disposable income in the rural areas and the impact channels in the nexus between digital economy development and carbon inequality.We find that(1)the relationship between digital economy development and carbon inequality is negative,and digital economy development exerts a significant mitigating impact on carbon inequality.(2)The nexus between digital economy development and carbon inequality is heterogeneous in terms of capital:provinces endowed with lower levels of social and human capital tend to exhibit a stronger connection between digital economy development and carbon inequality.(3)Rural residential disposable income can not only reduce carbon inequality,but can also show a synergistic effect with digital economy development,which means the interaction between rural residential disposable income and digital economy development also restricts carbon inequality significantly.(4)Digital economy development works on carbon inequality by increasing environmental regulation and technology innovation,and these two channels show a mitigating impact on carbon inequality.We propose several policy implications to accelerate the reduction of carbon inequality and the improvement of digital economy development.展开更多
Science and Technology(S&T)evaluation plays a baton role in developing science and technology innovation.However,traditional S&T evaluation indicators and methods are difficult to apply effectively in S&T ...Science and Technology(S&T)evaluation plays a baton role in developing science and technology innovation.However,traditional S&T evaluation indicators and methods are difficult to apply effectively in S&T evaluation practice.This paper analyzes the transformation of the S&T evaluation paradigm in the digital environment.Theories,methods,and tools of S&T evaluation research are continuously innovated and optimized;big data becomes the driving force of S&T evaluation development;the role played by S&T evaluation is shifting from a provider of statistical data and information to a participant in S&T decision-making activities.S&T evaluation research should focus on improving data retrieval and organization,knowledge mining and knowledge discovery,and intelligent evaluation models.Moreover,we suggest that scientists carry out S&T evaluation in agreement with the needs of S&T development:1)monitoring and sensing the development of science and technology in real-time with the help of emerging digital technologies;2)exploring solutions to major concerns such as technical project management mechanisms,utilizing advanced data science and digital technologies to identify important scientific frontiers,and leveraging big data in science of science to reveal patterns and characteristics of scientific structures and activities;3)carrying out problem-oriented evaluation research practice focused on four aspects,including intelligent project evaluation,evaluation of the critical technology competitiveness,talent assessment,and diagnostic evaluation of the research entity competitiveness.展开更多
Driven by advancements in artificial intelligence,end-to-end learning has become a key method for system optimization in various fields,including communications.However,applying learning algorithms such as backpropaga...Driven by advancements in artificial intelligence,end-to-end learning has become a key method for system optimization in various fields,including communications.However,applying learning algorithms such as backpropagation directly to communication systems is challenging due to their non-differentiable nature.Existing methods typically require developing a precise differentiable digital model of the physical system,which is computationally complex and can cause significant performance loss after deployment.In response,we propose a novel end-to-end learning framework called physics-guided learning.展开更多
This paper examines the current trends, challenges, and issues facing all libraries, and discusses the strategies that academic libraries, in particular, are taking to transform their services, manage their organizati...This paper examines the current trends, challenges, and issues facing all libraries, and discusses the strategies that academic libraries, in particular, are taking to transform their services, manage their organizations, and preserve their digital assets. It demonstrates how a network of distributed services, resource sharing, co-investment, and access integration contributes to sustainable library development.展开更多
基金the National Social Science Fund’s major project“Research on the Generation Background,Construction Logic,and Value Orientation of China’s Human Rights Knowledge System”(Project Approval Number 24&ZD129).
文摘The right to digital development,rooted in the fundamental right to development,emerges in response to the transformations of our era and serves as a catalyst for Chinese modernization.Building upon the traditional right to development,the right to digital development aims to meet the people’s aspirations for a better life in the context of digital development.By integrating a technological perspective,this concept advances the theoretical evolution of the right to development in line with contemporary realities.In terms of generation logic,the right to digital development is grounded in policies supporting Chinese modernization,guided by the development of new quality productive forces,and oriented toward addressing the people’s aspirations for a better life and society’s sustainable digital transformation.Ultimately,this framework constructs a normative structure encompassing the right to digital development opportunity,the right to digital development condition,and the right to digital development realization as a cohesive whole.From a value-oriented perspective,the right to digital development adheres to a people-centered philosophy of development,grounded in practical considerations.It addresses the digital divide as a focal point,gradually mitigating digital exclusion and circumventing digital malpractices,thereby fostering digital sharing.Integrating the right to digital development into the conceptual framework of the right to development can complete the institutional construction of digital development through the theoretical architecture of“condition-opportunity-realization.”This integration helps to better safeguard people’s rights and interests in digital development and promotes the free and comprehensive development of individuals.
文摘Technology is transforming China’s economy,governance and quality of life What fascinates me most about China’s digital development is how deeply it has transformed the economy,not only in cities,but across farms,factories,and daily life.Digitalisation here is not a privilege of the elite but a nationwide strategy applied to the primary,secondary,and tertiary sectors with purpose and precision.
基金a preliminary result of the Chinese Government Scholarship High-level Graduate Program sponsored by China Scholarship Council(Program No.CSC202206310052)。
文摘The digital development rights in developing countries are based on establishing a new international economic order and ensuring equal participation in the digital globalization process to achieve people's well-rounded development in the digital society.The relationship between cross-border data flows and the realization of digital development rights in developing countries is quite complex.Currently,developing countries seek to safeguard their existing digital interests through unilateral regulation to protect data sovereignty and multilateral regulation for cross-border data cooperation.However,developing countries still have to face internal conflicts between national digital development rights and individual and corporate digital development rights during the process of realizing digital development rights.They also encounter external contradictions such as developed countries interfering with developing countries'data sovereignty,developed countries squeezing the policy space of developing countries through dominant rules,and developing countries having conflicts between domestic and international rules.This article argues that balancing openness and security on digital trade platforms is the optimal solution for developing countries to realize their digital development rights.The establishment of WTO digital trade rules should inherently reflect the fundamental demands of developing countries in cross-border data flows.At the same time,given China's dual role as a digital powerhouse and a developing country,it should actively promote the realization of digital development rights in developing countries.
文摘THE president of the Guinean National Communications Council, Martine Conde, had a busy but fruitful trip to China in June this year. She attended the Fourth African Digital TV Development Seminar where delegates and oF flcials discussed how best to further expand the coverage of digital TV and build a friendly industrial environment for digitalization. She also took the opportunity to lobby for investments to develop Guinea＇s digital projects. To her satisfaction, the Export-Import Bank of China expressed willingness to cooperate in the area.
文摘Ctrip was founded in Shanghai in 1999.Thanks to the rapid development of China's Internet and the continuous improvement in cyberspace rule of law,Ctrip has seized the opportunity to thrive in the online travel industry and has been constantly developing in a standardized manner.In recent years,with revolutionary innovations in the field of artificial intelligence and the high-quality development of cyberspace rule of law that provides strong protection,Ctrip and other Internet enterprises have been able to fully focus on breaking through new technologies,planning new scenarios,providing new services,and achieving new developments.We have reflected on personal information and data systems.
基金the initial outcome of the Research on Strategies and Paths for Digital Economy Promoting Green Development Transformation of Chengdu-Chongqing Economic Circle(ID:2023ZDSC10)a major project under Chongqing’s Social Science Planning for the construction of the Chengdu-Chongqing Economic Circle,the Research on Paths for Digital Village Development Empowering Western China to Narrow the Urban-Rural Income Gap in the New Development Stage(ID:SWU2209220)a capacity enhancement project supported by Central Government’s Special Fund for the Basic Research Activities of Colleges and Universities,and the Dual Circulation in the National Economy Empowering Rural Revitalization(ID:SWUPilotPlan025)under the 2035 Pilot Plan of Southwest University.
文摘The development of digital villages and the expansion of farmers’consumption are important measures for expanding domestic demand and enhancing rural productive forces.Based on provincial panel data from China spanning 2010 to 2022,this paper establishes an evaluation indicator system for the development of digital villages,and empirically examines the impact of the development of digital villages on farmers’consumption growth,as well as its mechanisms,and spatial spillover effects.The results indicate that digital village development significantly promotes growth in the consumption of farmers,with the effects being more pronounced in the central and western regions.Mechanism analysis reveals that digital village development has a significant income-increasing effect and it improves the convenience of payments,both of which serve as important channels for promoting farmers’consumption growth.Further analysis demonstrates the significant spatial spillover effects of digital village development on farmers’consumption growth.Specifically,farmers’consumption growth is not only directly influenced by local digital village development and the demonstration effect of consumption growth in neighboring regions,but it is also indirectly influenced by the digital village development of nearby areas.Therefore,the promotion of digital village development,tailored to local conditions,the broadening of channels for increasing farmers’income,the strengthening of digital inclusive finance,and the rational leveraging of the spatial spillover effects of digital village development can further unleash the potential of farmers’consumption.
基金supported by the US National Science Foundation/International Digital Library Program(Grant No.NSF/CISE/IIS-9905833).
文摘Global Memory Net (GMNet) is intended to be an effective gateway to the world cultural, historical, and heritage image collections from selected academic educational and research partners in the world. Much of these unique collections of great value to education and research are not currently accessible due to distance, form, and technical barriers. This project is to find new ways to enable users to access and exploit these significant research collections via global network. As GMNet is ending its first 5-year phase in October 2005, it has contributed substantially to the community building in digital library development by ac- commodating numerous collaborators and technical staff from various parts of the world to spend 3 to 5 months as a full-member of the GMNet team in Boston. They have come from different parts of China—such as Sichuan, Hainan, Shanghai and Xi’an; Croatia; and Hanoi, Vietnam. In addition to contribute to the overall system development and enhancement of system function- alities, they have brought valuable sample image collections of their own institutions/countries, and actually developed prototype collections as a part of GMNet. This paper describes the exciting and productive experience of the first of this visiting research group in developing the GMNet’s Version 2.0 PHP-based system under Prof. Chen’s overall supervision. It also describes both the system’s technical level structure—user/Web-based application/data, and complex functionalities with multi-collection, multi-lingual, multi-modal searching capabilities; system management capabilities; as well as provisions for user uploads and retrieval for our own projects. This Version 2.0 system is built on the Linux/Apache/PHP/MySQL platform. What is described in this paper is an actual case which has formed a base for further new development by others in the research group. It demonstrates fully the value of the synergistic collaboration among global partners for universal digital library development. More information can be found in http://www.memorynet.org/.
文摘World experience indicates the existence of significant imbalances in the development of countries.The problem of assessing the rational development of the regional and national economy is becoming urgent,since such assessments can prevent development imbalances across countries.The aim of this study is to elaborate a methodology to assess the countries’socio-economic development by integraring 12 modern indices of socio-economic development into the Composite Country Development Index(CCDI).The methodology of this research was based on a set of key indices that described socio-economic development level in four fields(social development,digital development,economic development,and environmental security)and then these indices were integrated into the CCDI.The study further applied factor analysis and R-Studio software to define the gaps of social and economic development in 59 selected countries using the trigonometric function of the angle sine.The correlation analysis confirmed the existence of a close interrelation among the studied countries.This paper noted that due to the emergence of new priorities,it is necessary to revise the assessment methodology of socio-economic development level and expand them to cover the decisive factors.This was confirmed by the results obtained,demonstrating various combinations of the development level in the four fields and their impact on the CCDI.The scientific contribution of this research is to form a methodology(e.g.,the CCDI)for evaluating the socio-economic development level of countries in the world.
文摘A software for the management of computer aided design（CAD） drawings was developed. It can be used to classify and register information including geometric features of the drawings, and to search appropriate reference drawings matching the given conditions of a new design. The thumbnails of the drawings can be displayed in an order of preference and can be used to zoom and access the PDF file or CAD data of a selected drawing. The thumbnails and the data structure are two key elements of the software.
文摘This paper is focused on a higher-level report of a new generation of Unmanned Aerial Vehicle (UAV) technologies. Starting from the structural scalability of civil tiltrotors, design strategy and requirements for UAVs, and advanced composite materials, the increased speed and productivity requirements for tiltrotors have spawned several investigations associated with proprotor aero elastic stability augmentation and aerodynamic performance enhancements. The research emphasized the Large Civil Tilt Rotor as the configuration with the best potential to meet the technology goals, and the design, including the challenges of the Large Civil Tilt Rotor (LCTR). The design presented was economically competitive, with the potential for substantial impact on the air transportation system. The research includes some manufacturers of helicopters, drones and tiltrotors carrying out design studies and production of prototypes, as well as research projects aimed at designing, manufacturing, qualifying, and flight-testing the new wing of the Next-Generation Civil Tiltrotor Technology Demonstrator. Promises of Vertical Take-off and Landing (VTOL) aircraft, UAVs, Digitalization of Urban Air Mobility (UAM), and the “U-space” concept are discussed in the paper. The eight SUMP principles and possibilities of future advancements are emphasized.
文摘A method of optimizing the fault management system in power plants based on DD-RCM （resultchain based modeling for digital developing） and TPN （temporal Petri net） is proposed. First, the model of the fault management system was set using DD-RCM. Then, it was transformed to the temporal Petri net model by corresponding rules. Secondly, relationships among all the activities, such as choice, conflict, synchronization and concurrency, were confirmed according to the Petri net model and described employing the reengineering algorithm of incidence matrix. Thirdly, the Petri net model was reduced by combining reduction rules and conflict, synchronization relationships to optimize the fault management system in power plants. Finally, the functionality of the reduced net was proved by the temporal logic of the temporal Petri net.
基金supported by the US Na tional Science Foundation/International Digital Li brary Program with the Grant Nos.NSF/CISE/IIS 9905833 and NSF/CISE/IIS-0333036.
文摘In this digital era, we have witness the exciting convergence of content, technology, and global collaboration in the development of digital libraries. The mode of universal access for information seeking and knowledge acquisition differs greatly fi＇om the traditional ways. From the information resources point of views, the old model of“owning” a collection has given way to “sharing,” and the new emphases have shifted fi＇om possessing large “physical libraries” to “virtual libraries” digitally distributed all over the world. “Universal access” has taken on a very different meaning when one has the ability to share invaluable resources through the use of cutting edge technologies. The author has experienced much of these transformations through her own R＆D activities-from the creation of interactive videodisc and multimedia CD on the First Emperor of China＇s terracotta warriors and horses in the 1980s and 1990s to leading a current international digital library project, Global Memory Net （GMNet）, supported by the US National Science Foundation. In presenting her vision for linking world digital resources together for universal access, she will share with the audience the latest development of Global Memory Net.
文摘On May 16,2019,the CPC Central Committee and the State Council issued Outline of Digital Village Development Strategy(shortened into the Outline in the following part),together with a notice requiring discreet implementation by related departments in all areas.The Outline points out that by 2020,a primary progress should be achieved in the field of digital village construction.The coverage rate of 4G in administrative villages of the country should be more than 98%,and the popularization rate of internet connection should be significantly promoted in the rural area.
基金the Chunhui Project of Ministry of Education of China(Grant No.HZKY20220005).
文摘The importance of carbon emissions reduction notwithstanding,the issue of its inequality should also elicit the urgent attention of scholars.This paper first evaluates the carbon inequality between urban and rural areas based on a panel dataset of 30 provinces in China from 2006 to 2019.Then we quantitively investigate the role of digital economy development in reducing carbon inequality.We further explore the possible moderating role of residential disposable income in the rural areas and the impact channels in the nexus between digital economy development and carbon inequality.We find that(1)the relationship between digital economy development and carbon inequality is negative,and digital economy development exerts a significant mitigating impact on carbon inequality.(2)The nexus between digital economy development and carbon inequality is heterogeneous in terms of capital:provinces endowed with lower levels of social and human capital tend to exhibit a stronger connection between digital economy development and carbon inequality.(3)Rural residential disposable income can not only reduce carbon inequality,but can also show a synergistic effect with digital economy development,which means the interaction between rural residential disposable income and digital economy development also restricts carbon inequality significantly.(4)Digital economy development works on carbon inequality by increasing environmental regulation and technology innovation,and these two channels show a mitigating impact on carbon inequality.We propose several policy implications to accelerate the reduction of carbon inequality and the improvement of digital economy development.
文摘Science and Technology(S&T)evaluation plays a baton role in developing science and technology innovation.However,traditional S&T evaluation indicators and methods are difficult to apply effectively in S&T evaluation practice.This paper analyzes the transformation of the S&T evaluation paradigm in the digital environment.Theories,methods,and tools of S&T evaluation research are continuously innovated and optimized;big data becomes the driving force of S&T evaluation development;the role played by S&T evaluation is shifting from a provider of statistical data and information to a participant in S&T decision-making activities.S&T evaluation research should focus on improving data retrieval and organization,knowledge mining and knowledge discovery,and intelligent evaluation models.Moreover,we suggest that scientists carry out S&T evaluation in agreement with the needs of S&T development:1)monitoring and sensing the development of science and technology in real-time with the help of emerging digital technologies;2)exploring solutions to major concerns such as technical project management mechanisms,utilizing advanced data science and digital technologies to identify important scientific frontiers,and leveraging big data in science of science to reveal patterns and characteristics of scientific structures and activities;3)carrying out problem-oriented evaluation research practice focused on four aspects,including intelligent project evaluation,evaluation of the critical technology competitiveness,talent assessment,and diagnostic evaluation of the research entity competitiveness.
基金RGC(ECS 24203724,YCRG C4004-24Y,YCRG C1002-22Y)NSFC(62405258)+2 种基金Innovation and Technology Fund(ITS/237/22)Innovation and TechnologyFund(ITS/226/21FP)NSFC/RGC Joint Research Scheme(N_CUHK444/22).
文摘Driven by advancements in artificial intelligence,end-to-end learning has become a key method for system optimization in various fields,including communications.However,applying learning algorithms such as backpropagation directly to communication systems is challenging due to their non-differentiable nature.Existing methods typically require developing a precise differentiable digital model of the physical system,which is computationally complex and can cause significant performance loss after deployment.In response,we propose a novel end-to-end learning framework called physics-guided learning.
文摘This paper examines the current trends, challenges, and issues facing all libraries, and discusses the strategies that academic libraries, in particular, are taking to transform their services, manage their organizations, and preserve their digital assets. It demonstrates how a network of distributed services, resource sharing, co-investment, and access integration contributes to sustainable library development.
