Introduction to Big Data

Big data are high volume, high velocity, and/or high variety information assets that require new forms of processing to enable enhanced decision making, insight discovery and process optimization.


Basically it has 3 main features which differentiate it from traditional data :
1. Velocity
2. Volume
3. Variety

Examples of Big Data includes web logs, sensor networks (RFID tags), social networks, big social data analysis, Internet text and documents, Internet search indexing, call detail records, astronomy, atmospheric science, genomics, bio geochemical  biological, and other complex and often interdisciplinary scientific research, military surveillance, forecasting drive times for new home buyers, medical records, photography archives, video archives, and large-scale e-commerce.

To be continued ..