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Large-scale distributed solution of packet Dantzig Selector Liang of China University of Science and technology the main work of this paper includes: (1) using the Dantzig selector to solve the linear characteristics of the path piecewise, the Dasso algorithm to improve the Dantzig selector, The superiority of the improved algorithm is highlighted by comparing with the linear alternating direction multiplier method. (2) Overcome the difficulty of solving the constraint condition in the packet Dantzig selector, introduce the intermediate variable to simplify, and apply the alternating direction multiplier method (ADMM) and the alternating direction of linearization.

Performance evaluation of open source cloud platform based on high performance computing Timothy Zhang Xuejie Cloud Computing is a new model of Internet resource utilization that provides various IT services, and has been widely used in a variety of fields including high-performance computing. However, virtualization brings some performance overhead, and the different cloud platforms implement virtualization technologies that make it possible to apply High-performance computing services on these cloud platforms in a variety of ways. Via HPC Challenge (HPCC) benchmark and NAS Parallel Benchma ...

2014 Zhongguancun Large Data day on December 11, 2014 in Zhongguancun, the General Assembly to "aggregate data assets, promote industrial innovation" as the theme, to explore data asset management and transformation, large data depth technology and industry data application innovation and ecological system construction and so on key issues. The Conference also carries on the question of the demand and practice of the departments in charge of the government, the finance, the operators and so on to realize the path of transformation and industry innovation through the management and operation of data assets. In the afternoon financial @big Data Forum, Asia ...

In the media industry, Signiant is already famous for the migration of large documents. Similar companies, such as broadcasters, film companies, and gaming companies, use signiant Media shuttle,signiant media Exchange and signiant manager+agents tools to improve the flow of large document delivery. By analyzing the workloads that are expanding in the cloud, you can apply the solution of large document transfer to the data transfer of large data. Signiantsky ...

Absrtact: Microsoft recently made a big move in office, first with tight integration with Dropbox, and then provides free editing for mobile office. This is a applauded for most users, but someone complain: just subscribed to Office 365. You have recently made a big deal with Microsoft Office, first with Dropbox, and then with free editing for mobile office. This is applauded for most users, but someone complain: "Just subscribe ...

Absrtact: Four months after the release, Mailbox's OS X test version is finally open to the outside world, interested users can go directly to the website to download the installation package, but you also need to apply for a betacoin to run it. Mailbox's goal is very simple, is to help the release four months later, Mailbox OS X test version is finally open to the outside world, interested users can go directly to the official website to download the installation package, but you also need to apply for a "betacoin" ...

Abstract: They have an image of the name of the gold seed. They were born last December and were pleasantly surprised when they were in time for a nationwide focus on small micro-enterprises and Beijing's transformation of the way the economy was developed. They choose from 20,000 enterprises in Zhongguancun that they have an image of the name-gold seeds. They were born last December and were pleasantly surprised when they were in time for a nationwide focus on small micro-enterprises and Beijing's transformation of the way the economy was developed. They are selected from 20,000 enterprises in Zhongguancun, they are located in High-tech, they focus on the strategic emerging industry areas ...

The first "P+r" charging station for electric taxi drivers is charging the vehicles. Yesterday, the city's first "p+r" (car transfer) charging station in the city next to the metro line Line 15 pension station was officially put into operation, which is the first attempt to build a public area car park charging facility in Beijing. The current charging facilities are mainly in the face of electric taxis, sanitation electric vehicles, and in the future with the increase of private electric cars, the existing charging station will gradually open to electric car, the public can drive the car to the subway station next to the parking lot to go to work, take the subway after work ...

Since the platform is open, Ctrip also accused of ticket refund fee is too high. Recently, CCTV exposure Ctrip, the passenger on June 27 to buy Beijing to Qingdao travel package full price tickets, apply for a refund later found a total fare of 1057 yuan, was charged a refund fee of up to 473 yuan, only refund 584 yuan, refund fees up to 40% of the total fare even more. In accordance with the provisions of the airline's full price refund refunds for take-off before departure 5%, after take-off 10% of the fare. An OTA (online travel site) industry insiders told reporters that the high cost of refund is ...

James Altucher seems to be a diverse group of people who are both investors, programmers, writers, and entrepreneurs. And he is a Managing Director at Formula Capital, where he has written 10 books. And despite his success, the author thinks he is still a renegade entrepreneur, because people like Gates, Larry Page, and Zuckerberg are, after all, rare. As a result, their experience does not necessarily apply to everyone. To this end, the author summarizes the average entrepreneur should have seven high-performance habits, of course, ...

Recently, according to media reports, we usually surf the internet when we often see some interested or interesting articles, but for some reason for a while there is no time to read, how to do? Many people like to use the mobile phone to apply read it Later (now renamed Pocket) to store it, put it in time to read carefully, but the use of a "Spokenlayer" application, users can listen to the collection of articles, thus freeing the eyes, This is a rare good news for the vast majority of people who love literature. Spokenlayer's philosophy is: let ...

The application for the new top-level domain was closed on April 12. 　　Recently, is participating in ICANN's 43rd meeting of the China Network chairman Mao Wei told reporters, domestic enterprises to apply for top-level domain name is obviously insufficient, holding a group to apply for access to the international domain name of the right to speak is imperative. It is reported that the new top-level domain since January 12 this year formally opened the application. As of March 12, more than 254 companies have successfully applied. 　　Japan and Australia have more than 100 top-level domain applications, but it is not enough to focus on companies that have the most Internet users in the world. "Apply for competition in the new top-level domain such as ...

Execline 1.1.2 Starting from this release, the Forx and Forbactickx Exit Loops command uses the same code when the-X option is used. This is useful when a loop test fails. Execline is a good scripting tool for developers who need to handle a large number of scripts, or that can execute many times, or to apply nested environments. Many people write shell scripts with bash, or "sh" (it generally, but not always refer to bash). Other shells also have execute shell scripts ...

Delaboratory is a color correction tool. It allows you to modify the color and contrast of photos according to originality, using curves, mixers and mixing different color modes (RGB/BW,XYZ/LAB,CMY/CMYK,HSL/HSV) with floating-point precision. Each operation is stored in an adjustment layer, and you can watch the preview in real time. Delaboratory 0.4 new features: Apply color, apply brightness, surface blur, Gaussian blur, high contrast, LCH color support, RGB2BW, new blending mode (add ...

It is reported that the Ant micro-loan in the Alipay has quietly online a credit consumption service-"Flower Bai", the service to support users in Taobao, cat consumption, confirmed receipt of the month before 10th before the repayment of the amount of consumption according to the user network to buy a comprehensive decision, from thousands of to 30,000 yuan, the function is currently in the gray-level test phase,   That is, some active users can apply for a trial. It is reported that "Flower Bai" to provide the credit limit to support Taobao, cat consumption, when users confirm receipt of the next month 10th before the repayment can be. Consumption is based on the user's online shopping complex, by the Ant micro-credit to determine ...

By the popular puzzle game adapted by the "Bubble Dragon Online" (Puzzle Bobble Online) announced that the end of December will launch the first closed test.　　Neowiz Games says the first-time recruitment period starts from December 23 to December 30 and is scheduled for a one-week closure from December 30 to January 5. The test will be open form, all the players who apply to participate in the game experience, Neowiz games will take this opportunity to test players for the "bubble Dragon" Change ...

Students participate in performance examination students take part in performance examination, is a major social hot spot in the near future, in Beijing Film Academy, China University of Communication, Central drama College, Shanghai Drama Academy and other pure performance-type institutions to enter the white-hot, at the same time, some of the traditional college of Performing arts enrollment has attracted a lot of attention, Tongji University Film Academy is one of them. Reporters yesterday to visit Tongji found, and Ying, China and other well-known performance-type institutions, such as the examination of the situation, the entrance here appears more quiet and orderly, more than 3,000 candidates, divided into days, time, batch before ...

China's first such preferential policies of the university graduates 8000 yuan tax exemption for the first time in China to introduce such preferential policies (reporter Zhu Zhihua) since January 1, 2011, university graduates can enjoy 8000 yuan per year tax relief.　　This is the first time in our country for college students to start their own business preferential policies. Ministry of Education relevant departments of the Director of the Department, in order to encourage college graduates to start their own business, to promote employment, the Ministry of Finance, the State administration of taxation issued the "Support and promotion of employment related tax policy notice", clear graduates from the year of graduation 3 years ...

Data system planning and design of power generation group based on large data Sching collar Huang Shesong wenming in order to enhance the management and control ability of enterprises, it is necessary to effectively integrate and apply the intangible assets, i.e. information resources. This paper makes a preliminary study and discussion on the planning, design and construction of the data system of the group enterprise, defines the content of the data system planning and makes clear the research methods. Through the analysis of the enterprise value chain and the business activities, the paper establishes the information resource architecture of the group company, and combines with the large data technology, designs the technology platform of data management and application, which is used to guide the enterprise data flat based on large data technology.

While it is only a year or so for many domestic readers to touch the cloud, cloud computing or cloud computing applications abroad are just as bamboo as the rain. "He is the stone of the mountain, can attack Jade." "The IT168 server channel has launched a cloud-computing column to help more companies recognize and understand cloud computing, especially the emerging business value of cloud computing." We will introduce some emerging cloud computing products, services and companies at home and abroad. If your company also provides cloud computing services, or is using cloud computing, or you have a view of cloud computing, please follow ...