Data quality (Quality) is the basis of validity and accuracy of data analysis conclusion and the most important prerequisite and guarantee. Data quality assurance (Quality Assurance) is an important part of data Warehouse architecture and an important component of ETL. We usually filter dirty data through data cleansing to ensure the validity and accuracy of the underlying data, and data cleaning is usually the front link of data entry into the Data warehouse, so the data must be ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall Data quality (information Quality) Is the basis of the validity and accuracy of the data analysis conclusion and the most important prerequisite and guarantee. Data quality assurance (Quality Assurance) is an important part of data Warehouse architecture and an important component of ETL. ...
Ford Motor Company has been walking in front of the mobile car. The carmaker is trying to build the most intelligent networked cars and bring them to a whole new level of mobility. "How do we transplant our customers experience from mobile devices to our cars?" "Jim Buczkowski, director of the Electronics and electrical systems at Ford Motor Company, conducted a keynote speech at the Xconomy Forum Symposium," The Mobile boom: the theme of innovation in the 2014. "Advertisement will combine these two mobile experiences to ...
This year, big data has become a topic in many companies. While there is no standard definition to explain what "big Data" is, Hadoop has become the de facto standard for dealing with large data. Almost all large software providers, including IBM, Oracle, SAP, and even Microsoft, use Hadoop. However, when you have decided to use Hadoop to handle large data, the first problem is how to start and what product to choose. You have a variety of options to install a version of Hadoop and achieve large data processing ...
Telecom operators have hundreds of millions of of user resources, so it is considered as "the Golden Hill of large data", in a large number of gold miners, the first batch of the Asian letter is to taste the sweetness, and began to look overseas market companies. Both emerging and traditional industries, large data has become the key to the future core competitiveness. In the field of telecom operators, which are considered to have real "big data", with the data processing and excavating ability gradually strengthened, the large data platform is gradually built up and perfected, all kinds of innovation technology, service, product and application also from the local pilot to the full bloom. In the last held "2014 Zhongguancun big ...
It was easy to choose a database two or three years ago. Well-funded companies will choose Oracle databases, and companies that use Microsoft products are usually SQL Server, while budget-less companies will choose MySQL. Now, however, the situation is much different. In the last two or three years, many companies have launched their own Open-source projects to store information. In many cases, these projects discard traditional relational database guidelines. Many people refer to these items as NoSQL, the abbreviation for "not only SQL." Although some NoSQL number ...
With a growing number of Web fonts, paid Web font services, and off-the-shelf tools, typography takes back its title as the Queen of Design and is the key to all graphics and web design. Today, many designers in the design of typesetting, the main consideration is essentially aesthetic issues. The problem is that we are used to treating typography and font design as two interchangeable terms, but actually they are different. Take a quick look at the label "typography" on the dribbble and see the trend immediately. The perfect use of the temptation of font design will affect our trial ...
Not long ago I provided 12 suggestions to adjust Ubuntu. However, it has been a while ago, and now we have made another 10 suggestions that will make your Ubuntu your home away from home. These 10 suggestions are easy to implement, so let's get started! 1. Install TLP We touched on TLP not long ago, a software that optimizes power settings and allows you to enjoy longer battery life. Before we go into the TLP in-depth, and we also mentioned in the list of this software is not bad. want...
There is no doubt that big data has become a buzzword for 2012 years. Large data processing has reached $70 billion trillion this year and is growing at an annual rate of 15–20%, according to reports from foreign statistical agencies. Almost all major tech companies are interested in large data and have invested heavily in the products and services in this area. These include IBM, Oracel, EMC, HP, Dell, SGI, Hitachi, Yahoo, and so on, and the list continues. IBM also released a large data processing and analysis technology in mid-2011: ...
The cloud economy is so compelling, today, more and more data center managers are starting to assess which additional applications are more valuable to cloud services, whether it is a private cloud that deploys its own enterprise, or whether it is a mix or a public cloud service that uses Amazon Network services or other service providers. At the same time, there is growing evidence that proven enterprise-class features are being looked at, as they provide reliable services to comply with SLA agreements. As data center managers become accustomed to using cloud services more and more, they don't want to give up ...
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