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Intraday Variation Mapping of Population Age Structure via Urban-Functional-Region-Based Scaling
age structure urban functional regions temporal scaling factor dasymetric model RF-RFE algorithm intraday variation map
2023/12/6
The spatial distribution of the population is uneven?for various reasons, such as urban-rural differences and geographical conditions differences. As the basic element of the natural structure of the ...
Researchers from MIT, the MIT-IBM Watson AI Lab, IBM Research, and elsewhere have developed a new technique for analyzing unlabeled audio and visual data that could improve the performance of machine-...
As machine-learning models become larger and more complex, they require faster and more energy-efficient hardware to perform computations. Conventional digital computers are struggling to keep up.
中国地质大学科学技术发展院夏宇轩（博士生）,蔡建超等地空学院 2018, FRACTALS-COMPLEX GEOMETR（图）Y PATTERNS AND SCALING IN NATURE AND SOCIETY, A NEW METHOD FOR CALCULATING FRACTAL DIMENSIONS OF POROUS MEDIA BASED ON PORE SIZE DISTRIBUTION
分形；毛细管；假设的；计算；多孔介质；孔隙空间；迂曲度；分形维数
2021/10/21
日前，2018级博士研究生夏宇轩在国际学术期刊《分形》发表题为《一种基于多孔介质孔径分布的分形维数新计算方法》的论文，入选Mathematics学科领域高被引论文。在该论文中，夏宇轩提出了一种基于分形毛细管假设的计算多孔介质孔隙空间和迂曲度分形维数的新方法。
Omniring: Scaling Up Private Payments Without Trusted Setup - Formal Foundations and Constructions of Ring Confidential Transactions with Log-size Proofs
Ring Confidential Transactions Log-size Proofs
2019/5/31
Monero is the largest cryptocurrency with built-in cryptographic privacy features. The transactions are authenticated using spend proofs, which provide a certain level of anonymity by hiding the sourc...
SANNS: Scaling Up Secure Approximate k-Nearest Neighbors Search
nearest neighbor search privacy-preserving data analysis
2019/4/10
We present new secure protocols for approximate kk-nearest neighbor search (kk-NNS) over the Euclidean distance in the semi-honest model. Our implementation is able to handle massive datasets efficien...
ACCESSIBILITY ASSESSMENT: TRAINING THE SLUM RESIDENTS IN SCALING THE ‘ACCESSIBILITY’
Informal habitat planning dualism Accessibility ODK smart Quantum GIS
2019/2/27
With almost half of the developing world turning ‘urban’, it becomes a major challenge for the local self-governments to assure availability and accessibility of basic infrastructural facilities to ci...
PolyShard: Coded Sharding Achieves Linearly Scaling Efficiency and Security Simultaneously
Blockchain Coded Sharding Efficiency Scaling
2018/11/8
Today’s blockchains do not scale in a meaningful sense. As more nodes join the system, the efficiency of the system (computation, communication, and storage) degrades, or at best stays constant. A lea...
An important initialization step in many social-networking applications is contact discovery, which allows a user of the service to identify which of its existing social contacts also use the service....
Secure authentication and authorization within Facebook’s infrastructure play important roles in protecting people using Facebook’s services. Enforcing security while maintaining a flexible and perfor...
DEVELOPMENT OF SPATIAL SCALING TECHNIQUE OF FOREST HEALTH SAMPLE POINT INFORMATION
Forest Forest management Forest Health Species diversity Shannon’s index Spatial interpolation Kriging IDW
2018/5/14
Forests provide many goods, Ecosystem services, and resources to humans such as recreation air purification and water protection functions. In rececnt years, there has been an increase in the factors ...
SCALING PATTERNS OF NATURAL URBAN PLACES AS A RULE FOR ENHANCING THEIR URBAN FUNCTIONALITY USING TRAJECTORY DATA
Scaling patterns Natural urban place Urban functionality Trajectory data
2018/5/14
With the availability of massive trajectory data, it is highly valuable to reveal their activity information for many domains such as understanding the functionality of urban regions. This article uti...
Scaling ORAM for Secure Computation
Oblivious RAM Private Information Retrieval Secure Multi-Party Computation
2017/9/1
We design and implement a Distributed Oblivious Random Access Memory (ORAM) data structure that is optimized for use in two-party secure computation protocols. We improve upon the access time of previ...
New scaling law predicts how wheels drive over sand
New scaling law predicts wheels drive over sand
2017/7/21
When engineers design a new aircraft, they carry out much of the initial testing not on full-sized jets but on model planes that have been scaled down to fit inside a wind tunnel. In this more managea...
Algorand: Scaling Byzantine Agreements for Cryptocurrencies
Byzantine Agreement private keys
2017/5/26
Algorand is a new cryptocurrency system that can confirm transactions with latency on the order of a minute while scaling to many users. Algorand ensures that users never have divergent views of confi...