2. Agenda
2
Agenda
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Milind Zodge
3. What is Big Data
3
Big data is characterized by large
volumes of different types of data (e.g.
Social, web, transaction, etc.) That
builds very quickly.
It exceeds the reach of commonly used
hardware environments and software
tools to capture, manage and process
in a timely manner for its users.
Big Data
Milind Zodge
4. How Big is Big Data
4
Number of emails
sent every second
2.9 Million
Data consumed by
households each
day
375 Megabytes
Video upload to
YouTube every
minute
20 Hours
Data per day
processed by Google
24 Petabytes
Tweets per day
50 Million
Total minutes spent on
Facebook each month
700 Billion
Data sent and
received by mobile
internet users
1.3 Exabytes
Products ordered
on amazon per
second
72.9 Items
Milind Zodge
5. Big Data Market Forecast
5
$32.1
$48.0
$ 5.1
$10.2
$16.8
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2020
04
2021
05
2017
01
2018
02
2019
03
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6. Sources of Big Data
6
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Click stream
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Social network
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Sensors
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Html
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Images & Media
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Database
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Locations
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Email
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7. Sources of Big Data
7
Media
Media and
communication
outlets (articles,
podcasts, audio,
video, email,
blogs)
Social
Digital material
created by social
media (text,
photos, videos,
tweets)
Machine
Data generated
by computers
and machines
generally without
human
intervention
(business
process logs,
sensors, phone
calls)
Historical
Data about our
environment
(weather, traffic,
census) and
archived
documents,
forms or records
Milind Zodge
8. 3 Vs of Big Data
8
3 Vs of
Big Data
Volume
Variety
Velocity
Terabytes
Records
Transactions
Tables, files
Batch
Near time
Semi structured
Streams
Structured
Unstructured
Semi structured
All the above
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9. Objective of Big Data
9
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Analyzing customer
behavior
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Combining multiple data
sources
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Improving customer
service
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Generate additional
revenue
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Be more responsive to the
market
Objective of
Big Data
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10. Big Data Technologies
10
Machine learning
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Crowd sourcing
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Natural language
processing
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Genetic algorithm
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Simulation
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Data fusion
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Signal processing
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Time series
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Data integration
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Big Data
Technologies
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11. Big Data Workflow
11
Email
Click
stream
Html
Social
Location
Database
Sensor
data
Images
Actionable intelligence
Big Data
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12. Four Phases of Big Data
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Decide
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Design
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Deposit
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Discover
04
01
03
02
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13. Forms/ Type of Big Data
13
Structured
01
Enterprise
systems
Data
warehouses
Databases
Unstructured
02
Audio/ video
streams
Analog data
GPS tracking
information
Semi-Structured
03
Xml
E- Mail
EDI
Data that does not reside in
fixed locations generally
refers to free-form text,
which is ubiquitous.
Data that resides in fixed
fields within a record or file.
Between the tow forms
where “tags” or “structure”
are associated or embedded
within unstructured data.
Milind Zodge
14. Data Analytics Process
14
Data
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Decision
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Info
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Insight
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Milind Zodge
15. Impact of Big Data
15
Sports predictions
Big data was used in 2012 to famously
predict the US would win 108 medals
in the summer Olympics. They won
104.
Easier commutes
Big data streamlines traffic, using data
from GPS systems. Traffic lights now react
to traffic conditions, weather & accidents.
Smartphones
Smartphone users utilize big data
when asking for directions &
verbally asking their phone
questions.
Advanced healthcare
Big data is used to predict
where outbreaks of potentially
epidemic viruses will occur.
Presidential campaigns
Statistician Nate silver used big
data to predict the outcome of the
2012 presidential election.
Personalized advertising
Big data is used to recommend
purchases & personalized ads
more relevant.
How is Big
Data ?
Milind Zodge
16. Benefits of Big Data
16
Better business
decision
making
Improved
customer
experience and
engagement
Achieved
financial savings
Increased
efficiency
30% 50% 70% 90%
Milind Zodge
18. Big Data Opportunities and Challenges
18
30%
30% of companies looking for skills
in advanced analytics/ predictive
analytics in the next 12 months.
55%
55% of companies looking for skills
in advanced analytics/ predictive
analytics in the next 12 months.
75%
75% of companies looking for skills
in advanced analytics/ predictive
analytics in the next 12 months.
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Milind Zodge
19. 19
• External data coming from various data vendors like weather data, stock data
• Have to worry about streaming hot data load
• Structured cold data coming from ERP systems
• Running big batch data load one a month
• Unstructured Data from scrappers, social media
STRENGTH!
Milind Zodge
20. Big Data Opportunities and Challenges
20
Lack Of Sufficiently Skilled IT Staff &
Cost Of Technology
Managing Data
Quality
Data
Integration
Milind Zodge