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Web emerged as an antidote to the rapidly increasing quantity of accumulated knowledge and become successful because it facilitates massive participation and communication with minimum costs. Today, its enormous impact, scale and dynamism…

计算机与社会 · 计算机科学 2011-12-06 Michalis Vafopoulos

We analyse a coupled dataset collecting the mobile phone communications and bank transactions history of a large number of individuals living in a Latin American country. After mapping the social structure and introducing indicators of…

社会与信息网络 · 计算机科学 2018-01-29 Yannick Leo , Márton Karsai , Carlos Sarraute , Eric Fleury

SinaWeibo is a Twitter-like social network service emerging in China in recent years. People can post weibos (microblogs) and communicate with others on it. Based on a dataset of 650 million weibos from August 2009 to January 2012 crawled…

社会与信息网络 · 计算机科学 2013-05-13 Yuan Li , Haoyu Gao , Mingmin Yang , Wanqiu Guan , Haixin Ma , Weining Qian , Zhigang Cao , Xiaoguang Yang

Measuring the geographical distribution of economic activity plays a key role in scientific research and policymaking. However, previous studies and data on economic activity either have a coarse spatial resolution or cover a limited time…

社会与信息网络 · 计算机科学 2021-01-26 Lei Dong , Xiaohui Yuan , Meng Li , Carlo Ratti , Yu Liu

Data confidentiality policies at major social network providers have severely limited researchers' access to large-scale datasets. The biggest impact has been on the study of network dynamics, where researchers have studied citation graphs…

社会与信息网络 · 计算机科学 2012-05-18 Xiaohan Zhao , Alessandra Sala , Christo Wilson , Xiao Wang , Sabrina Gaito , Haitao Zheng , Ben Y. Zhao

Inflation is one of the most important macroeconomic indicators that have a great impact on the population of any country and region. Inflation is influenced by range of factors, one of which is inflation expectations. Many central banks…

统计金融 · 定量金融 2024-03-15 Vasilii Chsherbakov , Ilia Karpov

The forecasting of political, economic, and public health indicators using internet activity has demonstrated mixed results. For example, while some measures of explicitly surveyed public opinion correlate well with social media proxies,…

The emergence and popularization of online social networks suddenly made available a large amount of data from social organization, interaction and human behavior. All this information opens new perspectives and challenges to the study of…

社会与信息网络 · 计算机科学 2016-04-05 David Burth Kurka , Alan Godoy , Fernando J. Von Zuben

In recent decades, trade between nations has constituted an important component of global Gross Domestic Product (GDP), with official estimates showing that it likely accounted for a quarter of total global production. While evidence of…

综合经济学 · 经济学 2022-11-24 Mayank Kejriwal , Yuesheng Luo

Analysing Online Social Networks (OSN), voluntarily maintained and automatically exploitable databases of electronic personal information, promises a wealth of insight into their users' behavior, interest, and utilization of these currently…

计算机与社会 · 计算机科学 2011-09-28 Thorsten Strufe

The United States have some of the highest rates of gun violence among developed countries. Yet, there is a disagreement about the extent to which firearms should be regulated. In this study, we employ social media signals to examine the…

社会与信息网络 · 计算机科学 2022-05-03 Yelena Mejova , Jisun An , Gianmarco De Francisci Morales , Haewoon Kwak

We analyze five big data sets from a variety of online social networking (OSN) systems and find that the growth dynamics of meme popularity exhibit characteristically different behaviors. For example, there is linear growth associated with…

社会与信息网络 · 计算机科学 2019-03-27 Le-Zhi Wang , Zhi-Dan Zhao , Jun-Jie Jiang , Bing-Hui Guo , Xiao Wang , Zi-Gang Huang , Ying-Cheng Lai

The degree to which individuals can exert influence on propagation of information and opinion dynamics in online communities is highly dependent on their social status. Therefore, there is a high demand for identifying influential users in…

社会与信息网络 · 计算机科学 2018-10-24 Sahand Akbari

Social systems are in a constant state of flux with dynamics spanning from minute-by-minute changes to patterns present on the timescale of years. Accurate models of social dynamics are important for understanding spreading of influence or…

物理与社会 · 物理学 2017-01-02 Vedran Sekara , Arkadiusz Stopczynski , Sune Lehmann

Our study investigates the interplay between young women's empowerment and Pakistan's economic growth, focusing on how social media use enhances their businesses and drives economic advancement. We utilize a mixed-methods research design,…

综合经济学 · 经济学 2025-12-16 Maryam Arif , Soban Saeed

Large scale analysis and statistics of socio-technical systems that just a few short years ago would have required the use of consistent economic and human resources can nowadays be conveniently performed by mining the enormous amount of…

物理与社会 · 物理学 2013-04-23 Delia Mocanu , Andrea Baronchelli , Bruno Gonçalves , Nicola Perra , Alessandro Vespignani

Urban income segregation is a widespread phenomenon that challenges societies across the globe. Classical studies on segregation have largely focused on the geographic distribution of residential neighborhoods rather than on patterns of…

Online communities exist in many forms and sizes, and are a source of considerable influence for individuals and organizations. Yet, there is limited insight into why some online communities are sustainable, while others cease to exist. We…

物理与社会 · 物理学 2018-03-21 Yaniv Dover , Jacob Goldenberg , Daniel Shapira

Uncertainty plays an important role in the global economy. In this paper, the economic policy uncertainty (EPU) indices of the United States and China are selected as the proxy variable corresponding to the uncertainty of national economic…

统计金融 · 定量金融 2020-07-28 Peng-Fei Dai , Xiong Xiong , Wei-Xing Zhou

The overwhelming success of online social networks, the key actors in the Web 2.0 cosmos, has reshaped human interactions globally. To help understand the fundamental mechanisms which determine the fate of online social networks at the…

物理与社会 · 物理学 2016-05-02 Kaj-Kolja Kleineberg , Marian Boguna