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Chinese geographic re-ranking task aims to find the most relevant addresses among retrieved candidates, which is crucial for location-related services such as navigation maps. Unlike the general sentences, geographic contexts are closely…

计算与语言 · 计算机科学 2024-02-05 Yong Cao , Ruixue Ding , Boli Chen , Xianzhi Li , Min Chen , Daniel Hershcovich , Pengjun Xie , Fei Huang

In economic systems, the mix of products that countries make or export has been shown to be a strong leading indicator of economic growth. Hence, methods to characterize and predict the structure of the network connecting countries to the…

物理与社会 · 物理学 2015-06-04 Sebastian Bustos , Charles Gomez , Ricardo Hausmann , Cesar A. Hidalgo

Travel activities have been widely applied to quantify spatial interactions between places, regions and nations. In this paper, we model the spatial connectivities between 652 Traffic Analysis Zones (TAZs) in Beijing by a taxi OD dataset.…

物理与社会 · 物理学 2014-07-17 Chaogui Kang , Yu Liu , Lun Wu

Geography, including climatic factors, have long been considered potentially important elements in shaping socio-economic activities, alongside other determinants, such as institutions. Here we demonstrate that geography and climate…

计量经济学 · 经济学 2019-01-04 Alberto Troccoli

The insufficient understanding of the credit network structure was recognized as a key factor for regulators' underestimation of the destructive systematic risk during the financial crisis that started in 2007. The existing credit network…

风险管理 · 定量金融 2018-12-05 Xuan Lu , Li Huang , Kangjuan Lyu

The lack of computational power within an organization for analyzing scientific data, and the distribution of knowledge (by scientists) and technologies (advanced scientific devices) are two major problems commonly observed in scientific…

分布式、并行与集群计算 · 计算机科学 2007-05-23 R. Buyya , S. Date , Y. Mizuno-Matsumoto , S. Venugopal , D. Abramson

Existing rhetorical understanding and generation datasets or corpora primarily focus on single coarse-grained categories or fine-grained categories, neglecting the common interrelations between different rhetorical devices by treating them…

计算与语言 · 计算机科学 2024-10-01 Nuowei Liu , Xinhao Chen , Hongyi Wu , Changzhi Sun , Man Lan , Yuanbin Wu , Xiaopeng Bai , Shaoguang Mao , Yan Xia

Understanding the dynamics of traffic clusters is crucial for enhancing urban transportation systems, particularly in managing congestion and free-flow states. This study applies computational percolation theory to analyze the formation and…

物理与社会 · 物理学 2025-07-30 Yongsung Kwon , Minjin Lee , Mi Jin Lee , Seung-Woo Son

A practical statistical analysis on the regional populations and GDPs of China is conducted. The result shows that the distribution of the populations and that of the GDPs obeys the shifted power law, respectively. To understand these…

物理与社会 · 物理学 2018-02-14 Jie Huo , Xu-Ming Wang , Rui Hao , Peng Wang

Knowledge graph is a kind of valuable knowledge base which would benefit lots of AI-related applications. Up to now, lots of large-scale knowledge graphs have been built. However, most of them are non-Chinese and designed for general…

Geography effect is investigated for the Chinese stock market including the Shanghai and Shenzhen stock markets, based on the daily data of individual stocks. The Shanghai city and the Guangdong province can be identified in the stock…

物理与社会 · 物理学 2016-05-04 Xing Li , Tian Qiu , Guang Chen , Li-Xin Zhong , Xiong-Fei Jiang

Country instability is a global issue, with unpredictably high levels of instability thwarting socio-economic growth and possibly causing a slew of negative consequences. As a result, uncertainty prediction models for a country are becoming…

人工智能 · 计算机科学 2024-11-12 Adam Zebrowski , Haithem Afli

We undertake an exploration of the economic income (Gross Domestic Product, GDP) of Indian districts and cities based on scaling analyses of the dependence of these quantities on associated population size. Scaling analysis provides a…

物理与社会 · 物理学 2020-03-25 Anand Sahasranaman , Luis M. A. Bettencourt

Object grasping is critical for many applications, which is also a challenging computer vision problem. However, for the clustered scene, current researches suffer from the problems of insufficient training data and the lacking of…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Hao-Shu Fang , Chenxi Wang , Minghao Gou , Cewu Lu

One perspective to view the economic development of cities is through the presence of multinational firms; how subsidiaries of various organizations are set up throughout the globe and how cities are connected to each other through these…

社会与信息网络 · 计算机科学 2023-04-13 Mohammed Adil Saleem , Faraz Zaidi , Celine Rozenblat

We present a novel graph diffusion-embedding networks (GDEN) for graph structured data. GDEN is motivated by our closed-form formulation on regularized feature diffusion on graph. GDEN integrates both regularized feature diffusion and…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Bo Jiang , Doudou Lin , Jin Tang

Supporting the health and well-being of dynamic populations around the world requires governmental agencies, organizations and researchers to understand and reason over complex relationships between human behavior and local contexts in…

In an era of rapid change, timely and disaggregated economic insights are crucial for effective policymaking. This study explores the potential of real-time payment data to complement traditional economic measurement. Using anonmysed UK…

综合经济学 · 经济学 2025-05-14 Kerstin Hötte

The relationship between micro-structure and macro-structure of complex systems using information geometry has been dealt by several authors. From this perspective, we are going to apply it as a geometrical structure connecting both…

综合金融 · 定量金融 2013-10-17 M. E. Kahil

Generalizable active mapping in complex unknown environments remains a critical challenge for mobile robots. Existing methods, constrained by insufficient training data and conservative exploration strategies, exhibit limited…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xiao Chen , Tai Wang , Quanyi Li , Tao Huang , Jiangmiao Pang , Tianfan Xue