BIG DATA –OPPORTUNITIES
AND ISSUESPresented By,G.GOMATHI,K.ABINAYA
II-M.C.AANJALAI AMMAL MAHALINGAM ENGINEERING
COLLEGE
CONTENTS
BIG DATA CATEGORIES CHARACTERISTICS TOOLS OPPORTUNITIES ISSUES CONCLUSION
BIG DATA It refers to data sets which
are too large and complex. Its size beyond the ability
of commonly used software tools.
It simply refers to the use of predictive analysis.
CATEGORIES STRUCTURED DATA• Fixed format
UNSTRUCTURED DATA• Without any fixed form.
SEMI-STRUCTURED DATA• Self-describing Structure
CHARATERISTICS VELOCITY Real time
Non real time
Audio Periodic
Reports Batch
Web Database VOLUME
Tables SMS
Photo KB
Video MB
GB
PB
VARIETY ZB
VOLUME
Big data implies enormous volumes of data.
The volume of data to be analysed is massive
VARIETY
It refers to data from many sources and types of data.
Examples: Photos ,video, audio, database etc.
VELOCITY
Responding to the increasing speed.
Speed of data from various sources.
OPPORTUNITIES
Healthcare Banking Agriculture Enterprise
BIG DATA IN HEALTHCARE
Big Data helps physicians to keep track of the patient’s history.
Big Data in healthcare is being used to predict epidemics, cure disease, improve quality of life and avoid deaths.
BIG DATA IN AGRICULTURE
Avoid crop loses due to climate variability.
Produce food sustainability with environment.
BIG DATA IN BANKING Monitor what customers
say to increase marketing success.
Identify the customer profile .
Design targeted marketing programs .
Enhancing loyalty through targeted offers.
TOOLS HADOOP NoSQL MAPREDUCE HIVE SCOOP POLYBASE
ISSUES
Privacy and Security. Data Access and Sharing
of Information. Processing Issues. Issues related to the
characteristics
PRIVACY AND SECURITY
DATA ACCESS AND SHARING INFORMATION
Accurate, complete, timely manner.
Sharing of information between companies is awkward.
Data management issues
Access, utilization, updating, governance and reference have proven to be a major blocks.New approaches to data qualification and validations are needed.
CONCLUSION
The ultimate aim of this paper is to express about the basic concepts of big Data such as how it is classified, characteristics and fields in which it is involved and opportunities and issues.
THANKYOU
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