So where is all of this Big Data coming from? Data typically originates from one of three primary sources of big data the internet/social networks, traditional business systems, and increasingly from the Internet of Things. The data from these sources can be structured, semi-structured, or unstructured, or any combination of these varieties.
Social Networks
Social Networks provide human-sourced information from:
• Twitter and Facebook• Blogs and comments• Pictures: Instagram®, Flickr™, Picasa™, etc.• Videos: YouTube• Internet searches• Mobile data content (text messages)• User-generated maps• E-Mail
Traditional Business Systems
These organizations offer customers services or products
• Commercial transactions• Banking/stock records• E-commerce• Credit cards• Medical records
Internet of Things
• Sensors: traffic, weather, mobile phone location, etc.• Security, surveillance videos, and images• Satellite images• Data from computer systems (logs, web logs, etc.)
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