A cipher is a symbol that is compiled by a particular law to make a secret change to the information on both sides of the communication. In other words, the cipher is a symbolic sequence that hides the real content. Is the use of public, standard information encoded information by means of a transformation, to the other than the communication between the two people can not read the information encoding, this unique information code is the password. Password is a science, has a long history. Passwords were used in ancient times to deliver secret messages. In modern warfare, the transmission of information and command of war are inseparable from the password, the diplomatic struggle can not be separated from the password. Password one ...
Our daily lives are surrounded by big data, all acts and events are recorded, stored, and processed in the form of data: In the morning, the elevator's webcam records travel time; During work, the Web page records browsing habits and search records, the phone records the contact object and the length of the call; home from work, shopping records define professional identity, Family background and even personality characteristics, TV set-top box records the viewing habits and ornamental taste ... Marx once said that the essence of man is the sum of all social relations. Now, this is a world of data, people are all data footprints ...
Our daily lives are surrounded by big data, all acts and events are recorded, stored, and processed in the form of data: In the morning, the elevator's webcam records travel time; During work, the Web page records browsing habits and search records, the phone records the contact object and the length of the call; home from work, shopping records define professional identity, Family background and even personality characteristics, TV set-top box records the viewing habits and ornamental taste ... Marx once said that the essence of man is the sum of all social relations. Now, this is a world of data, people are all data footprints ...
Early enterprises are also relatively simple. The data stored in relational databases is often the source of all their data. At this time, their corresponding big data technology is the traditional OLAP data warehouse solution.
With the country's strategic thinking of promoting big data to promote economic and social transformation and development, the construction of big data platform is now the focus of government informationization construction, and provincial governments rely on a strong information system to take the lead.
With the rapid development of cloud computing, cloud services have become the new darling of many enterprises, and many cloud service providers are emerging in the Chinese market. Therefore, we have launched the "cloud service Provider Survival Law" this topic. "The cloud service provider survival rule" mainly through to China's typical IaaS, PaaS, SaaS provider of in-depth interviews, on the one hand, let users understand the major suppliers of competitive advantages and survival, promote the application of cloud computing familiarity and acceptance, at the same time, China's cloud computing market situation has a more comprehensive display. Recently, we have the opportunity to interview the Sina Cloud computing chief ...
"Lead" November 2012 a city subway line Line 1 opened operation so far, has become the most important travel vehicles, but with the increasing number of passengers, how to ensure the orderly operation of the subway in the case, to ensure the safety of passengers, but also become the focus of the subway management department. Therefore, in the latest construction of metro line Line 4, a city subway again into the wave company, responsible for the subway police video surveillance, public security computer network system construction work, hope through the tide in the field of public security accumulation of experience, through the information means to maintain the public safety of the subway. With Metro safety ...
First, 2013 electric business Industry Public opinion Events Overview 2013, the domestic electric business industry public opinion can use the word "Concussion" to describe, and is "continuous concussion". Mobile Internet to make the virtual world and the real world increasingly deep in the electric business industry, many traditional enterprises and cross-industry businesses have joined the flashing charm of the industry want to share a piece of the pie. For example, the initiative to meet the 2013 "Double 11" business opportunities, to participate in the line under the linkage of the business people brought more market segments and increase, the total number of transactions also appeared unprecedented pomp. At the same time, Wanda Real estate Wang to expand ...
Since the "Juvenile Kingdoms" on the 10th day of the App store climbed the top three, the public test 20 days of broken water, has been asked many times, less than three cast a lot of hard and wide, which channels effective, activities are how to do, and what measures have been taken to retain ... But a person has not asked, a week to throw away so much money afraid? What happens in the middle of the outage? How to ensure stable operation? ...... Is the industry's impetuous lead to look at the surface of the problem, or the hand-travel issue has matured to do not need to think about these basic issues of the realm, it is unknown. But in the public test only 20 days "juvenile Kingdoms" alone with the domestic market ...
In 2011, the domestic group buying site in the beginning of the blowout-type outbreak, but not good, after several months of losses, many group buying sites have transformed the customers and O2O. Mobile interconnection industry from the first half is a project can melt a hundreds of to the end of the rapid entry into a new phase of elimination. As the mobile internet era of the public comments, I believe many friends have been useful, a large number of users to comment on information, covering more than 300 cities nationwide, has become a lot of netizens dining, leisure and entertainment important reference source. For the public comments V4.7 New Edition, I think the biggest change is the preferential ...
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