Big Data Tutorial for Beginners: All you need to know

Title:  Big Data Tutorial for Beginners: All you need to know
Blog #7
Name: Devina 施玟雅
Student ID: D0731576
Source: https://www.upgrad.com/blog/big-data-tutorial-for-beginners/
Written by: Mohit Sonn

 There are two types of data, small and big. Small data can be managed by a single machine, yet it is also the impact of this data is on a smaller scale. Big data has 3 fundamental concepts: Volume, Velocity, and Variety. Volume is the amount of data generated, applied in online and offline transactions. Volume saved in records, tables, and files. Velocity generated in real-time, speed of generating data, and in streams, batch, or bits. Variety is structured and unstructured, online images and videos, and machine-generated. Each of us has a digital footprint and each of the data-sets can be gathered from our devices, for example, Facebook and Twitter.

How to make sense of big data?
various new technologies have been developed to overcome these barriers. The most popular being the Apache Hadoop. These technologies used clustered computing to ingest information into a data system, and compute and analyze the data, also visualize the data streams.

Application of big data
1. Personal development: big data is being utilized to optimize individual health. Armbands and smartwatches use data about sleep cycle, calorie consumption, activity levels, and more to develop insights on improving the user’s health.
2. Advertising: GPS, traffic patterns, and eye-movement tracking are applied by marketing companies using a variety of data points in order to decide which and what advertisement people are interested in.
3. Supply chain optimization: Delivery route optimization is being used by big companies like Amazon and eBay using big data, where live traffic data, driver behavior are tracked using radio frequency identifies, and GPS systems.

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