Abstract: Due to recent technological development, the amount of data generated by internet, social networking sites, sensor networks, healthcare applications, and many others are drastically increasing day by day. All the enormous measures of data produced from various sources in multiple formats with very high speed are referred as big data. In today’s digital world, where lots of information is stored, the analysis of the databases can provide the opportunities that lead to better decisions in healthcare, business and others. This paper intends to define Big Data, its Applications and Techniques used for the analytics.
Keywords: Stock-ticker data, Internet of Things, Point-Of-Sale, Anonymization, Correlations and High-Frequency Trading.