Home of RF and Wireless Vendors and Resources

One Stop For Your RF and Wireless Need

What is Big Data | Tutorial on Big Data Basics

This Big Data tutorial page covers what is Big Data.This tutorial also covers Big Data Basics.

Definition of Big Data:
As per Gartner 2012: "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"

In other words Big Data is the name given to lots of data which are being collected and warehoused as follows:
• Web Data, E-commerce
• Purchases at department or grocery stores
• Bank/Credit Card Transactions
• Social Networks

How Much Data?

• Google processes 20 PB (Petabyte) a day (Statistics: year 2008)
• 1 PB = 1015 Bytes = 1 million gigabytes = 1 thousand terabytes
• Facebook has 2.5 PB of user data + 15 TB/day (Statistics: April 2009)
• eBay has 6.5 PB of user data + 50 TB/day (Statistics: May 2009)

Three V of Big Data

Big Data Vectors

➨high-volume: amount of data
➨high-velocity: Speed rate in collecting or acquiring or generating or processing of data
➨high-variety: different data type such as text, audio, video, image data, XML, retional data (e.g. tables, transaction, legacy ), graph data (semantic web, social network), streaming data (you can only scan data once),

What has been done with these data

• Aggregation and Statistics
-Data warehouse and OLAP
• Indexing, Searching, and Querying
-Keyword based search
-Pattern matching (XML/RDF)
• Knowledge discovery
-Data Mining
-Statistical Modeling

Hadoop has been developed to tackle the growing demand of Big Data, Refer What is Hadoop and its advantages and disadvantages>>

Refer What is Big Data and its advantages and disadvantages>>.

WiFi LTE related links

Terminology  LTE tutorial  LTE Features  UE categories  LTE Bands  what is WLAN   what is wifi and mifi   WLAN tutorial  

What is?

what is RF?  what is wireless ?  what is LTE  what is Bluetooth?  what is z-wave?  what is GSM?  what is GPRS? 

RF and Wireless tutorials

WLAN  802.11ac  802.11ad  wimax  Zigbee  z-wave  GSM  LTE  UMTS  Bluetooth  UWB  IoT  satellite  Antenna  RADAR 


Share this page

Translate this page