Tencent Cloud Comunication Solutions for China
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Spatiotemporal Patterns of Population Mobility and Its Determinants in Chinese Cities Based on Travel Big Data
sustainability Article Spatiotemporal Patterns of Population Mobility and Its Determinants in Chinese Cities Based on Travel Big Data Zhen Yang 1,2 , Weijun Gao 1,2,* , Xueyuan Zhao 1,2, Chibiao Hao 3 and Xudong Xie 3 1 Innovation Institute for Sustainable Maritime Architecture Research and Technology, Qingdao University of Technology, Qingdao 266033, China; [email protected] (Z.Y.); [email protected] (X.Z.) 2 Faculty of Environmental Engineering, The University of Kitakyushu, Kitakyushu 808-0135, Japan 3 College of Architecture and Urban Planning, Qingdao University of Technology, Qingdao 266033, China; [email protected] (C.H.); [email protected] (X.X.) * Correspondence: [email protected]; Tel.: +81-93-695-3234 Received: 16 April 2020; Accepted: 13 May 2020; Published: 14 May 2020 Abstract: Large-scale population mobility has an important impact on the spatial layout of China’s urban systems. Compared with traditional census data, mobile-phone-based travel big data can describe the mobility patterns of a population in a timely, dynamic, complete, and accurate manner. With the travel big dataset supported by Tencent’s location big data, combined with social network analysis (SNA) and a semiparametric geographically weighted regression (SGWR) model, this paper first analyzed the spatiotemporal patterns and characteristics of mobile-data-based population mobility (MBPM), and then revealed the socioeconomic factors related to population mobility during the Spring Festival of 2019, which is the most important festival in China, equivalent to Thanksgiving Day in United States. During this period, the volume of population mobility exceeded 200 million, which became the largest time node of short-term population mobility in the world. -
Risk of 2019 Novel Coronavirus Importations Throughout China Prior to the Wuhan Quarantine
medRxiv preprint doi: https://doi.org/10.1101/2020.01.28.20019299; this version posted February 3, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license . Title: Risk of 2019 novel coronavirus importations throughout China prior to the Wuhan quarantine 1,+ 2,+ 2 3 4 Authors: Zhanwei Du , Lin Wang , Simon Cauchemez , Xiaoke Xu , Xianwen Wang , 5 1,6* Benjamin J. Cowling , and Lauren Ancel Meyers Affiliations: 1. The University of Texas at Austin, Austin, Texas 78712, The United States of America 2. Institut Pasteur, 28 rue du Dr Roux, Paris 75015, France 3. Dalian Minzu University, Dalian 116600, China. 4. Dalian University of Technology, Dalian 116024, China 5. The University of Hong Kong, Sassoon Rd 7, Hong Kong SAR, China 6. Santa Fe Institute, Santa Fe, New Mexico, The United States of America Corresponding author: Lauren Ancel Meyers Corresponding author email: [email protected] + These first authors contributed equally to this article Abstract On January 23, 2020, China quarantined Wuhan to contain an emerging coronavirus (2019-nCoV). Here, we estimate the probability of 2019-nCoV importations from Wuhan to 369 cities throughout China before the quarantine. The expected risk exceeds 50% in 128 [95% CI 75 186] cities, including five large cities with no reported cases by January 26th. NOTE: This preprint reports new research that has not been certified by peer review and should not be used to guide clinical practice. -
Tracking Users Across the Web Via TLS Session Resumption
Tracking Users across the Web via TLS Session Resumption Erik Sy Christian Burkert University of Hamburg University of Hamburg Hannes Federrath Mathias Fischer University of Hamburg University of Hamburg ABSTRACT modes, and browser extensions to restrict tracking practices such as User tracking on the Internet can come in various forms, e.g., via HTTP cookies. Browser fingerprinting got more difficult, as trackers cookies or by fingerprinting web browsers. A technique that got can hardly distinguish the fingerprints of mobile browsers. They are less attention so far is user tracking based on TLS and specifically often not as unique as their counterparts on desktop systems [4, 12]. based on the TLS session resumption mechanism. To the best of Tracking based on IP addresses is restricted because of NAT that our knowledge, we are the first that investigate the applicability of causes users to share public IP addresses and it cannot track devices TLS session resumption for user tracking. For that, we evaluated across different networks. As a result, trackers have an increased the configuration of 48 popular browsers and one million of the interest in additional methods for regaining the visibility on the most popular websites. Moreover, we present a so-called prolon- browsing habits of users. The result is a race of arms between gation attack, which allows extending the tracking period beyond trackers as well as privacy-aware users and browser vendors. the lifetime of the session resumption mechanism. To show that One novel tracking technique could be based on TLS session re- under the observed browser configurations tracking via TLS session sumption, which allows abbreviating TLS handshakes by leveraging resumptions is feasible, we also looked into DNS data to understand key material exchanged in an earlier TLS session. -
What the Floc?
Security Now! Transcript of Episode #811 Page 1 of 30 Transcript of Episode #811 What the FLoC? Description: This week we briefly, I promise, catch up with ProxyLogon news regarding Windows Defender and the Black Kingdom. We look at Firefox's next release which will be changing its Referer header policy for the better. We look at this week's most recent RCE disaster, a critical vulnerability in the open source MyBB forum software, and China's new CAID (China Anonymization ID). We then conclude by taking a good look at Google's plan to replace tracking with explicit recent browsing history profiling, which is probably the best way to understand FLoC (Federated Learning of Cohorts). And as a special bonus we almost certainly figure out why they named it something so awful. High quality (64 kbps) mp3 audio file URL: http://media.GRC.com/sn/SN-811.mp3 Quarter size (16 kbps) mp3 audio file URL: http://media.GRC.com/sn/sn-811-lq.mp3 SHOW TEASE: It's time for Security Now!. Steve Gibson is here. We've got a new fix for the Microsoft Exchange Server flaw. This one's automatic, thanks to Microsoft. We'll also take a look at some nice new features in Firefox 87. You can get it right now. And then, what the FLoC? We'll take a look at Google's proposal for replacing third-party cookies. Is it better? It's all coming up next on Security Now!. Leo Laporte: This is Security Now! with Steve Gibson, Episode 811, recorded Tuesday, March 23rd, 2021: What the FLoC? It's time for Security Now!, the show where we cover your privacy, your security, your safety online with this guy right here, Steve Gibson from GRC.com. -
Tencent Holdings Ltd. (700 HK) INTERNET
17 November 2016 EQUITIES Tencent Holdings Ltd. (700 HK) INTERNET Buy: Platform strategy offsets weak game performance China Strong 3Q revenue despite soft mobile games MAINTAIN BUY Performance ads and payment revenue beat expectations TARGET PRICE (HKD) PREVIOUS TARGET (HKD) Maintain Buy and trim TP to HKD245 from HKD256 245.00 256.00 3Q results highlight power of its platform. The key strength of Tencent's strategy, in our view, is the different ways it can monetize the high user base and engagement SHARE PRICE (HKD) UPSIDE/DOWNSIDE on all of its social properties. When one monetization engine slows, it is able to fire 196.90 +24.4% up another engine. In 3Q, total revenue grew 52% y-o-y, beating our estimate by 2%, (as of 16 Nov 2016) as lower than expected smartphone game revenue (its biggest revenue category) MARKET DATA was offset by social subscription, payment and strong performance-based ads Market cap (HKDm) 1,864,046 Free float 52% Market cap (USDm) 240,306 BBG 700 HK revenue. Tencent has the traffic, products and ad inventory to manage through short- 3m ADTV (USDm) 426 RIC 0700.HK term weaknesses in a particular business to maintain very strong revenue growth. FINANCIALS AND RATIOS (CNY) Strong revenue growth with slight miss on EPS. Total revenue grew 52% y-o-y to Year to 12/2015a 12/2016e 12/2017e 12/2018e MB40bn, 3% above consensus. EPS of RMB1.24 was 4% below our estimate but in- HSBC EPS 3.44 4.80 6.84 8.31 HSBC EPS (prev) - 4.86 7.47 9.35 line with consensus. -
Wechat About China's Tencent
We Build Connections QQ Weixin For Enterprises: For Users: For Tencent: • Access to vast user base • Always connected • Deepen user stickiness via broadened • Unified user log-in enables CRM and • Enjoy a wide range of integrated social product offerings targeted advertising entertainment and content offerings, built • Increase traffic conversion through • Online payment facilitates transactions upon IPs and tech innovations transactions and advertising • Integrate capabilities across different • Access to rich mix of services and • Tap into new opportunities as the products to facilitate digital upgrades, e.g., transact at fingertips economy digitizes Weixin, WeChat Work, Tencent Meeting WeChat about 2 China’s Tencent Chris Wheldon, co-Portfolio Manager of the Magellan High Conviction strategy, and Ryan Joyce, co-Head of Magellan’s Technology team, explain why Tencent is a high-quality business, why the strategy invested in the company recently, what risks the investment poses and why Tencent performed well during the pandemic’s Chris Wheldon Ryan Joyce initial stages. Tencent is one of the High Conviction Q1. strategy’s top five positions. Can you please tell us about the company? A: Tencent was founded in 1998 as a Chinese instant-messaging service and web portal named QQ and subsequently built itself into a PC-based social network similar to today’s Facebook. In 2011, Tencent launched the WeChat mobile app, now China’s leading social “WeChat’s 1.2 network and communications platform and core to the company’s billion users average success. WeChat’s 1.2 billion users average nearly 100 minutes per day, every day, on the app. -
China Key Developments in 2016: Executive Summary
China Page 1 of 8 Published on Freedom House (https://freedomhouse.org) Home > China China Country: China Year: 2017 Press Freedom Status: Not Free PFS Score: 87 Legal Environment: 24 Political Environment: 35 Economic Environment: 25 Key Developments in 2016: • Xi Jinping, the state president and leader of the Chinese Communist Party (CCP), made high-profile visits in February to key state media outlets and called for all media to demonstrate strict adherence to the party line. • The government adopted a new cybersecurity law in November, and a series of other regulations that increased restrictions on internet communications, online publication, and video streaming were issued over the course of the year. • Authorities tightened control over news dissemination channels, including social media and mobile-phone applications, and suspended permission for websites to repost content from the prominent news site Caixin. • Although the total of 38 journalists behind bars at year’s end represented a slight decrease compared with 2015, at least 111 journalists, bloggers, online writers, activists, and members of religious or ethnic minorities were sentenced during 2016 to prison terms of up to 19 years for alleged offenses related to freedom of expression or access to information. Executive Summary https://freedomhouse.org/print/49413 1/9/2018 China Page 2 of 8 China is home to one of the world’s most restrictive media environments and its most sophisticated system of censorship. The ruling CCP maintains control over news reporting via direct ownership, accreditation of journalists, harsh penalties for online criticism, and daily directives to media outlets and websites that guide coverage of breaking news stories. -
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[TME] - Tencent Music Entertainment Group Second Quarter 2019 Financial Results Conference Call Monday, August 12, 2019, 8:00 PM ET
[TME] - Tencent Music Entertainment Group Second Quarter 2019 Financial Results Conference Call Monday, August 12, 2019, 8:00 PM ET Officers Millicent Tu, VGM, IR Cussion Pang, CEO Tony Yip, CSO Shirley Hu, CFO Analysts John Egbert, Stifel, Nicolaus Alex Yao, JPMorgan Chase Eddie Leung, Bank of America Merrill Lynch Piyush Mubayi, Goldman Sachs Group Thomas Chong, Jefferies Hans Chung, KeyBanc Capital Markets Gary Yu, Morgan Stanley Presentation [Technical Difficulty] Operator: Ladies and gentlemen, good evening and good morning, and thank you for standing by. Welcome to the Tencent Music Entertainment Group's Second Quarter 2019 Earnings Conference Call. At this time, all participants are in listen-only mode. (Operator Instructions). Today you will hear discussions from the management team of Tencent Music Entertainment Group, followed by a question-and-answer session. (Operator Instructions). Please be advised that this conference is being recorded today. If you have any objections, you may disconnect at this time. Now, I will turn the conference over to your speaker host today, Ms. Millicent Tu. Please go ahead. Millicent Tu: Thank you, operator. Hello, everyone, and thank you all for joining us on today's call. Tencent Music Entertainment Group announced its financial results for the second quarter of 2019 today after the market close. An earnings release is now available on our IR website at ir.tencentmusic.com, as well as via newswire services. Today you will hear from Mr. Cussion Pang, our CEO, who will start off the call with an overview of our recent achievements and growth strategy. He will be followed by Mr. -
Dynamic Update and Monitoring of AOI Entrance Via Spatiotemporal Clustering of Drop-Off Points
sustainability Article Dynamic Update and Monitoring of AOI Entrance via Spatiotemporal Clustering of Drop-Off Points Tong Zhou 1,2,3 , Xintao Liu 2 , Zhen Qian 1, Haoxuan Chen 1 and Fei Tao 1,3,* 1 School of Geographical Sciences, Nantong University, Nantong 226007, China; [email protected] (T.Z.); [email protected] (Z.Q.); [email protected] (H.C.) 2 Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong, China; [email protected] 3 Key Laboratory of Virtual Geographical Environment, MOE, Nanjing Normal University, Nanjing 210046, China * Correspondence: [email protected]; Tel.: +86-137-7692-3762 Received: 23 October 2019; Accepted: 29 November 2019; Published: 3 December 2019 Abstract: This paper proposes a novel method for dynamically extracting and monitoring the entrances of areas of interest (AOIs). Most AOIs in China, such as buildings and communities, are enclosed by walls and are only accessible via one or more entrances. The entrances are not marked on most maps for route planning and navigation in an accurate way. In this work, the extraction scheme of the entrances is based on taxi trajectory data with a 30 s sampling time interval. After fine-grained data cleaning, the position accuracy of the drop-off points extracted from taxi trajectory data is guaranteed. Next, the location of the entrances is extracted, combining the density-based spatial clustering of applications with noise (DBSCAN) with the boundary of the AOI under the constraint of the road network. Based on the above processing, the dynamic update scheme of the entrance is designed. -
Driving Positive Change
Driving Positive Change 2019 Corporate Social Responsibility Report Tencent Holdings Limited Corporate Social Responsibility Report 2019 01 Adhering to this new vision, CSR is to play As a listed company in Hong Kong, Introduction a more pivotal part than ever in Tencent’s Tencent complies with the statutory business strategy. The company believes requirements on ESG reporting. This Tencent Holdings Limited (“Tencent”) is that integrating social and environmental report supplements Tencent’s 2019 pleased to publish a condensed version concerns into its daily operations will ESG report and was developed with of its 2019 corporate social responsibility contribute to the well-being of society. reference to the Guidelines on Corporate (CSR) report, entitled Driving Positive As a responsible Internet-based platform Social Responsibility Reporting for Change. The report, supplementing company, Tencent is committed to Chinese Enterprises (CASS-CSR4.0), the this year’s environmental, social and practicing CSR and setting an example Sustainable Reporting Guidelines of the governance report Tencent publishes for the wider community. The Company Global Reporting Initiative (GRI) and the as a Hong Kong-listed company, is part began publishing CSR reports in 2008 Environmental, Social and Government of an ongoing initiative to engage the and in 2017 made it an annual publication Reporting Guide of the Hong Kong Company’s stakeholders through its CSR to communicate its CSR initiatives to its Exchange and Clearing Limited at the efforts. stakeholders on a regular basis. time of writing. In 2019, Tencent reflected on its corporate This year’s report outlines Tencent’s CSR Looking to the future, Tencent is culture and put forward a new vision – strategy, approach and achievements in committed to living out its new vision “Value for Users, Tech for Good”. -
Mobile Internet Business Models in China: Vertical Hierarchies, Horizontal Conglomerates, Or Business Groups?
BERKELEY ROUNDTABLE ON THE INTERNATIONAL ECONOMY BRIE Working Paper 2016-6 MOBILE INTERNET BUSINESS MODELS IN CHINA: VERTICAL HIERARCHIES, HORIZONTAL CONGLOMERATES, OR BUSINESS GROUPS? Kai Jia and Martin Kenney Mobile Internet Platform Business Models in China: Vertical Hierarchies, Horizontal Conglomerates, or Business Groups? July 27, 2016 Kai Jia Ph.D. Student Tsinghua University Beijing, China And Martin Kenney Community and Regional Development University of California, Davis [email protected] Acknowledgments: The authors thank Roger Bohn and John Zysman for helpful comments. The authors remain responsible for all remaining errors. 2 ABSTRACT The current understanding of the dynamics of digital platforms and strategy for their concomitant ecosystems has emerged from an analysis of firms in Western market economies. Our contribution arises from a detailed study of the business strategies of the current leaders in the Chinese mobile internet industry—Tencent, Alibaba, and Baidu. We find that they have developed business models significantly different from those of US firms. We argue that these Chinese firms are developing a “platform business group” strategy predicated upon horizontal expansion through organic growth, acquisition, and the purchase of significant equity positions in vertical industries, such as ride sharing, online-to-offline commerce, and travel. As a generalization, their western counterparts were much more oriented toward vertical expansion integrating either upwards or downwards in their respective software stacks. A central component of the business group is an online payment system that operates with its other platforms to cross-feed traffic and use internal cross-platform personal data to customize its offerings to users. We show that the different environmental conditions in China versus Western market economies allow firms there to pursue different business strategies. -
Spatiotemporal Detection and Analysis of Urban Villages in Mega
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, VOL. 53, NO. 7, JULY 2015 3639 Spatiotemporal Detection and Analysis of Urban Villages in Mega City Regions of China Using High-Resolution Remotely Sensed Imagery Xin Huang, Senior Member, IEEE, Hui Liu, and Liangpei Zhang, Senior Member, IEEE Abstract—Due to the rapid urbanization of China, many vil- with a rapid increase in urbanization, China suffers from the lages in the urban fringe are enveloped by ever-expanding cities wide spread of urban villages (UVs) in recent years. UVs, and become so-called urban villages (UVs) with substandard living which are also known as “chengzhongcun” or “villages in the conditions. Despite physical similarities to informal settlements in other countries (e.g., slums in India), UVs have access to basic city” [2], are a special type of urban settlement resulting from public services, and more importantly, villagers own the land the complicated socio-economic development of China. legitimately. The resulting socio-economic impact on urban devel- In the last 30 years, peri-UVs are progressively enveloped by opment attracts increasing interest. However, the identification of the expanding cities due to China’s rapid urbanization, in which UVs in previous studies relies on fieldwork, leading to late and the residential areas of villages are left intact and the farmland incomplete analyses. In this paper, we present three scene-based methods for detecting UVs using high-resolution remotely sensed is used for urban development [3]. Original villagers still own imagery based on a novel multi-index scene model and two pop- the residential areas collectively, but they are not allowed to ular scene models, i.e., bag-of-visual-words and supervised latent alienate the land.