BigData is one of the most important technology. There are many interesting things about Big Data, and also a lot of confusion about it. This article will provide a defined "5Vs" about Big Data and examples of big data applications through the actual product in the world and Vietnam so that you get the original understanding of a number of possibilities of BigData. in the world there are many definitions of Big Data. In 2001, Doug Laney analyst firm META Group (now is the Gartner research firm) said that the challenges and opportunities in data growth can be described in three dimensions "3V ": increase the amount of storage (volume), increase the processor speed (velocity) and the increase in type (variety). Now, Gartner and many other companies and organizations in the field of information technology continue to use the "3V" to define Big Data should. By 2012, Gartner added that Big Data in addition to the three properties on the more "need for new forms of treatment to help with decision making, exploring deep into things / events and optimize the workflow ". here is the new concept of big data by Gartner in 2014 on the model of" 5Vs "- important property in big data says: volume (Number of storage) big data (" big data " ) is a collection of data storage capacity in excess of assumed applications and traditional tools. Big Data size is increasing day by day, and as of 2012, it can be between a few dozen terabytes to many petabytes for (1 petabyte = 1024 terabytes) only for a set of data only. Velocity (Speed the handle) capacity increase of data very fast processing speed and real-time approaching. Popular applications on the Internet sector, Finance, Banking, Aviation, Military, Health - Health today most large data handling real-time DC. Data processing technology and more advanced large allows us to handle instant before they are stored in the database. Variety (Diversity category) Form of storage and a category of multi-date data more formats. Previously we mentioned data or structured than 80% today, the data in the world is born is unstructured (documents, blogs, images, video, voice, etc.). Big Data technology allows us today link and analyze diverse data types such comments together / post of a certain group of users on Facebook with information shared videos from Youtube and Twitter. Veracity ( accuracy) One of the most complex nature of BigData the accuracy of the data. With the trend of Social Media and Social Network today and strongly increase the interaction and sharing of user-Mobile makes identifying picture of reliability and accurate data of a more difficult day. Problem analysis and eliminate data inaccuracies and interference are important characteristics of BigData. Value (value information) Value of information is the most important characteristics of Big Data technology trends. There must now be planned values of BigData useful information for issues, problems or model your business. We can say the first thing is to determine the nature of "Value", it should embark on BigData new.
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