Question

Impact of big data on business, economy, health care and society

Answer 1

Big data analytics helps unearth hidden patterns, unknown correlations, and other business information using big data tools capable to analyze high-volume, high-velocity and high-variety information assets far better than conventional tools. Companies are using new big data technologies and solutions such as Hadoop, MapReduce, Hadoop Hive, Spark, Presto, Yarn, Pig, NoSQL databases and more to support their big data analytics.

Sources of big data

• Social Networks: Face book, Twitter, Tumblr etc.

• Blogs and comments

• Personal documents

• Pictures: Instagram, Flickr, Picasa etc.

• Videos: YouTube etc.

• Internet searches

• Mobile data content: text messages

• User-generated maps

• Social Media Communications

• Data from sensors: Fixed sensors; Home automation; Weather/ pollution sensors; Traffic sensors/webcam; scientific sensors; Security/surveillance videos/images

• Mobile sensors (tracking): Person (Mobile phone location); Road (Car, Trucks); Rail (Trains); Air (planes); Nautical (Ships)

• Satellite data: Topographic; Thermal; Surveillance; Meteorological; Others

• Data from computer systems: Logs; Web logs