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Industrial development is the process by which economies learn how to produce new products and services. But how do economies learn? And who do they learn from? The literature on economic geography and economic development has emphasized…

Economics · Quantitative Finance 2017-03-07 Jian Gao , Bogang Jun , Alex "Sandy" Pentland , Tao Zhou , Cesar A. Hidalgo

Science and technology systems - and their epistemic communities - are usually hierarchical and composed of a number of strong, large, leading organizations, along with a number of smaller and less influential ones. Moreover, these…

Physics and Society · Physics 2011-12-13 Stefan Hennemann , Tao Wang , Ingo Liefner

High-resolution gridded climate data are readily available from multiple sources, yet climate research and decision-making increasingly require country and region-specific climate information weighted by socio-economic factors. Moreover,…

Applications · Statistics 2024-12-23 Marco Gortan , Lorenzo Testa , Giorgio Fagiolo , Francesco Lamperti

Using the new data from the OECD-WTO world network of economic activities we construct the Google matrix $G$ of this directed network and perform its detailed analysis. The network contains 58 countries and 37 activity sectors for years…

Statistical Finance · Quantitative Finance 2015-07-21 V. Kandiah , H. Escaith , D. L. Shepelyansky

We publicly release OpenUAS, a dataset of area embeddings based on urban usage patterns, including embeddings for over 1.3 million 50-meter square meshes covering a total area of 3,300 square kilometers. This dataset is valuable for…

Machine Learning · Computer Science 2024-11-13 Naoki Tamura , Kazuyuki Shoji , Shin Katayama , Kenta Urano , Takuro Yonezawa , Nobuo Kawaguchi

Graph entity dependencies (GEDs) are novel graph constraints, unifying keys and functional dependencies, for property graphs. They have been found useful in many real-world data quality and data management tasks, including fact checking on…

Databases · Computer Science 2023-07-04 Dehua Liu , Selasi Kwashie , Yidi Zhang , Guangtong Zhou , Michael Bewong , Xiaoying Wu , Xi Guo , Keqing He , Zaiwen Feng

Monitoring urban structure and development requires high-quality data at high spatiotemporal resolution. While traditional censuses have provided foundational insights into demographic and socioeconomic aspects of urban life, their pace may…

Physics and Society · Physics 2024-03-20 Gezhi Xiu , Jianying Wang , Thilo Gross , Mei-Po Kwan , Xia Peng , Yu Liu

The automotive industry plays a critical role in the global economy, and particularly important is the expanding Chinese automobile market due to its immense scale and influence. However, existing automotive sector datasets are limited in…

General Economics · Economics 2024-01-12 Ruixin Ding , Bowei Chen , James M. Wilson , Zhi Yan , Yufei Huang

Based on the statistical yearbook data and related patent data of 287 cities in China from 2000 to 2020, this study regards the policy of establishing the national high-tech zones as a quasi-natural experiment. Using this experiment, this…

Econometrics · Economics 2023-04-20 Li Han

Groups of firms often achieve a competitive advantage through the formation of geo-industrial clusters. Although many exemplary clusters, such as Hollywood or Silicon Valley, have been frequently studied, systematic approaches to identify…

Social and Information Networks · Computer Science 2019-08-06 Jaehyuk Park , Ian Wood , Elise Jing , Azadeh Nematzadeh , Souvik Ghosh , Michael Conover , Yong-Yeol Ahn

Trees play a crucial role in urban environments, offering various ecosystem services that contribute to public health and human well-being. China has initiated a range of urban greening policies over the past decades, however, monitoring…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Xiaoxin Zhang , Martin Brandt , Xiaoye Tong , Xiaowei Tong , Wenmin Zhang , Florian Reiner , Sizhuo Li , Feng Tian , Yuemin Yue , Weiqi Zhou , Bin Chen , Xiangming Xiao , Rasmus Fensholt

In this article, the relationship between two well-accepted empirical propositions regarding the distribution of population in cities, namely, Gibrat's law and Zipf's law, are rigorously examined using the Chinese census data. Our findings…

Physics and Society · Physics 2010-01-07 Kausik Gangopadhyay , B. Basu

Urban population density provides a good perspective for understanding urban growth and socio-spatial dynamics. Based on sub-district data of the five times of national population censuses in 1964, 1982, 1990, 2000, and 2010, this paper is…

Physics and Society · Physics 2021-01-14 Jian Feng , Yanguang Chen

Since Reform and Opening-up 40 years ago, China has made remarkable achievements in economic fields. And consumption activities, including household consumption, have played an important role in it. Consumer activity is the end of economic…

General Economics · Economics 2023-05-04 Zhiheng Yi

Changes in the capital structure before and after the global financial crisis for SMEs are studied, emphasizing their financing problems, distinguishing between internal financing and external financing determinants. The empirical research…

General Finance · Quantitative Finance 2017-08-25 ShiXue He , Marcel Ausloos

The continuous interest in the social network area contributes to the fast development of this field. The new possibilities of obtaining and storing data facilitate deeper analysis of the entire network, extracted social groups and single…

Social and Information Networks · Computer Science 2012-07-24 Piotr Bródka , Stanisław Saganowski , Przemysław Kazienko

Due to insufficient or difficult to obtain data on development in inaccessible regions, remote sensing data is an important tool for interested stakeholders to collect information on economic growth. To date, no studies have utilized deep…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Ethan Brewer , Zhonghui Lv , Dan Runfola

We present the Evolved Grasping Analysis Dataset (EGAD), comprising over 2000 generated objects aimed at training and evaluating robotic visual grasp detection algorithms. The objects in EGAD are geometrically diverse, filling a space…

Robotics · Computer Science 2020-04-24 Douglas Morrison , Peter Corke , Jürgen Leitner

Geometric deep learning (GDL) has gained significant attention in scientific fields, for its proficiency in modeling data with intricate geometric structures. However, very few works have delved into its capability of tackling the…

Machine Learning · Computer Science 2024-11-21 Deyu Zou , Shikun Liu , Siqi Miao , Victor Fung , Shiyu Chang , Pan Li

Started in Wuhan, China, the COVID-19 has been spreading all over the world. We calibrate the logistic growth model, the generalized logistic growth model, the generalized Richards model and the generalized growth model to the reported…

Populations and Evolution · Quantitative Biology 2020-09-24 Ke Wu , Didier Darcet , Qian Wang , Didier Sornette