big data

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5. Volume The amount of Data is big
Variety Different Kinds of data:
Structured
Semi-Structured
Unstructured
Velocity Speed-issues to consider:
How fast is the data available for analysis?
How fast can we do something with it?
Other V’s : Veracity, Variability, Validity, Value, . . .
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How is the Process of
storing the data ??
 before Big Data …
 today’s …
Massively Parallel Processing

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Hadoop is VMware, but the other way around.

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Hadoop as the opposite of a virtual machine

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Example Hadoop distributions

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Use the right tool for the right job!

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•Will be so overwhelmed
•Costs escalate too fast
•Many sources of big data is :
•privacy
•self-regulation
•Legal regulation

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More accurate data
Improved business decisions
Improved marketing strategy and targeting
Increased revenue due to increased customer
decreased costs

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$15 billion on software firms only
specializing in data management and
analytics.
This industry on its own is worth more
than $100 billion and growing at almost
10% a year which is roughly twice as fast
as the software business as a whole.

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In February 2012, the open source analyst
firm Wikibon released the first market
forecast for Big Data , listing $5.1B revenue in
2012 with growth to $53.4B in 2017
The McKinsey Global Institute estimates
that data volume is growing 40% per
year, and will grow 44x between 2009
and 2020.

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Refrences:
[1] senthil sundaresan , BIG DATA ,What, Why,
Where, When and How,
BI/SQL/Data Visualization Evangelist
[2] Koutroumpis, P., & Leiponen, A. 2013.
Understanding the value of (big) data. In
Proceedings of 2013 IEEE international
conference on big data. 38–42. Silicon
Valley, CA, October 6–9, 2013. Los Alamitos,
CA: IEEE Computer Society Press
[3] Gerry George, Martine Haas, Alex “Sandy”
Pentland, FROM THE EDITORS
BIG DATA AND MANAGEMENT, Academy of
Management Journal ,2014, Vol. 57, No. 2,
321–326.
[4] www.Slideshare.com
[5] www.wikipedia.com

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.1Big Data(‫کالن‬‫داده‬)‫را‬‫تعریف‬‫کنید؟‬‫مثال‬‫بزنید‬.‫به‬‫مجموعه‬‫ای‬‫از‬‫داده‬‫ها‬‫گفته‬‫می‬‫ش‬‫ود‬
‫که‬،‫مدیریت‬‫کنترل‬‫و‬‫پردازش‬‫آنها‬‫خارج‬‫از‬‫توانایی‬‫راه‬‫حل‬‫های‬‫نرم‬‫افزاری‬‫موجود‬‫است‬.
‫مانند‬‫شبکه‬‫های‬‫اجتماعی‬،،‫نجوم‬‫مدارک‬‫پزشکی‬،‫داده‬‫های‬‫هواشناسی‬
.2‫سه‬‫تا‬‫از‬‫ویژگیهای‬‫کلیدی‬‫کالن‬‫داده‬‫را‬‫نام‬‫ببرید؟‬‫حجم‬‫داده‬،‫تنوع‬‫داده‬،‫سرعت‬‫ایج‬‫اد‬‫داده‬
.3‫سه‬‫مورد‬‫از‬‫تکنولوژی‬‫ها‬big data‫را‬‫نام‬‫ببرید؟‬pig،hadoop،nosql
.4‫مزیت‬‫های‬big data‫را‬‫بیان‬‫کنید؟‬
o‫داده‬‫های‬‫صحیح‬‫بیشتر‬
o‫توسعه‬‫دادن‬‫تصمیم‬‫های‬‫سازمانی‬
o‫کاهش‬‫هزینه‬‫ها‬
o‫توسعه‬‫دادن‬‫استراتژی‬‫ها‬‫و‬‫اهداف‬‫سازمانی‬
o‫افزایش‬‫درآمد‬‫به‬‫علت‬‫افزایش‬‫مشتری‬

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