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What are we going to understand- <br><br>Types of Digital Data<br>What is Big data?<br>Why Big Data?<br>Big Data Analytics<br>Benefits of Big Data Analytics
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Big DataAnalytics Tools & Technologies Department ofComputer Science & Engineering
What are we going to understand Types of Digital Data What is Big data? Why Big Data? Big Data Analytics Benefits of Big Data Analytics.
Types of Digital Data • Structured – Data that resides in fixed fields (data in relational databases or in spreadsheets) • Unstructured – Data that does not reside in fixed fields (untagged audio and video data, etc.) • Semi-structured – Data that does not reside in fixed fields but uses tags or other markers to capture elements of the data (XML, HTML-tagged text)
Types of Digital Data • Internal – from a company’s sales, customer service, manufacturing, and employee records; from visits to the company’s website, etc. • External – from sources outside a company such as third-party data providers, public social media sites such as Facebook, Twitter and Google+, etc.
What is “BIG” Data? • Volume: Enterprises are awash with ever-growing data of all types, easily amassing petabytes—even zettabytes /yottabytes—of information. • Velocity:Batch Processing—near real time—real time—streaming. • The latest heard is 10 nano seconds delay is too much. • Variety:Big data is any type of data. • Monitor 100’s of live video feeds from surveillance cameras to target points of interest
Why Big-Data? • Key enablers for the appearance and growth of ‘Big-Data’ are: • Increase in storage capabilities • Increase in processing power • Availability of data
Whom does it matter • Research Community . • Business Community - New tools, new capabilities, new infrastructure, new business models etc. • On sectors
Big Data Analytics • Process of examining large data sets containing a variety of data types i.e., big data ,to uncover hidden patterns, unknown correlations, market trends, customer preferences and other useful business information. • Big Data Requires High-Performance Analytics.
Approach to Analytics • Reactive–business intelligence: Standard business reports, ad hoc reports, OLAP and even alerts and notifications based on analytics. • Reactive – big data BI: Reports based on BIG data. • Proactive–analytics: Making forward-looking, proactive decisions requires proactive big analytics like optimization, predictive modeling, text mining, forecasting and statistical analysis • Proactive – big data analytics : More of a culture change.
Benefits of Big Data Analytics • It’s not about Data. It’s about Insight and Impact. • Enterprise can boost sales, increase efficiency, and improve operations, customer service and risk management.
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