Bd & privacy issues in social media

BIG DATA AND
PRIVACY IN SOCIAL
MEDIA
By Jorge Moreno
Jorguztav@gmail.com

 Big Data
 Common software architecture
 Social Media and Social networks
INDEX

https://www.youtube.com/watch?v=F
7pYHN9iC9I

• It describes enormous datasets.
Big data and privacy in social media. 2019 (cc) Jorge Moreno .
Big Data
-Definition 1
-

• It include masses of unstructured data that need
more real-time analysis.
Big Data
-Definition-

• It brings new opportunities for discovering new values.
• It helps in-depth understanding of the hidden values.
Big Data
-Definition-

• Big data may improve the productivity and competitiveness
of enterprises and public sectors, moreover it create huge
benefits for consumers.
Big Data
-Advantages-

• It reduce the expenditure for healthcare by over 8 %.
Big Data
-Advantages-

• It may also be utilized to improve the efficiency of
government operations.
Big Data
-Advantages-

Traditionally BG is applied in topics such as:
 Astronomy
 Meteorology
 Biological
Big Data
-Applications-

There are also new Big Data domains: Data warehousing,
Internet and social web search, finance and business
informatics.
Big Data
-Applications-

Data confidentiality: The
big data service providers
must rely on professionals
or tools to analyze data,
which increase the
potential safety risks.
Big Data
-Challenges-

Google processes data of hundreds of Petabyte (PB).
Facebook generates log data of over 10 PB per month.
Big Data
-Related Information-

Big Data
-Related Information-
According to International Data Corporation (IDC),
in 2011, the overall created and copied data
volume in the world was 1.8ZB.

In 2009, Google obtained timely information by
analyzing big data, which even provided more valuable
information than that provided by disease prevention
centers.
Big Data
-Important information-

Common software architecture
-Client – Server 2
-
Today most of the
application is
based on this kind
of architecture.

Common software architecture
-Client - Server -
There are mainly three components:
Client, Server and Medium of Communication.

Social Media
-Definition 3
-
Social media is the term often used to refer to new forms of
media that involve interactive participation. The
development of media is divided into two different ages, the
broadcast age and the interactive age.

Social Media
-Definition-
In the broadcast age, feedback to media outlets was often
indirect, delayed, and impersonal.

Social Media
-Definition-
In the interaction age, the interactivity was placed at the
center of new media functions. Instant feedback was a
possibility.

Social Media
Social media appear
in web 2.0 age, with
interaction and other
technologies

Social Media
-Types-

Social Media
-Social networks-
Social networking sites are almost ubiquitous features in
contemporary culture. A main feature that makes a social
networking site is the fellow list of users that one connects
with, usually based upon friendship, family, work
relationships, or even weak tie relationships.

The number of photos uploaded to Facebook per month has
risen from 2 billion to over 6 billion
Social Networks

The ease-of-use of modern smartphones and the
proliferation of high-speed mobile networks are the causes
of carefree uploading of user-generated content.
Social Networks

Social Networks
-Privacy issues/profiles 4
-
Big Data research creates and
analyzes profiles of us, for
example for market research,
targeted advertisement,
workflow improvement or
national security.

Privacy Issues in Public Social Media
- Privacy issues/profiles 5
-
The Information provided by the individual user and the comments
from other participants, provide insight into the follow personal data:
 Morals
 Activities
 Biases and self-image
 Work place, job and employer details
 Past education
 Political views
 Current interests
 Hobbies

-Privacy issues/profiles-
Social networking sites have been used to search general people
and seek information for employment, surveillance, investigation or
for search evidence of people breaking laws or regulations, etc.

A survey of 2600 hiring managers showed that more than 45 percent
said they’d used social networking sites to seek information on job
candidates.
30% use Facebook
27% use LinkedIn
22% use MySpace
12% search blogs
9% follow candidates on Twitter

A Microsoft employed offered a very good example:
“If a friend takes a picture of me during a volleyball game, shares
this picture with other friends and one of them uploads the picture
to the web, my insurance company can find and use that picture
against me.”
Social Networks

Privacy issues in Social Media. 2019 (cc) Jorge Moreno .
Some consequences:
• Insurance companies could
raise premiums or even deny
claims.
• The same is true for banks
and credit rating companies.
Social Networks

Privacy issues in Social Media. 2019 (cc) Jorge Moreno .
• Users reveal their current location to
access online services, such as Google
Maps or for tagging.
• The location and other metadata
contained in pictures and videos.
Social Networks
-Privacy issues/tagging and location
4
-

Social Networks
-Privacy issues/tagging and location-
Some SN extracts metadata during the upload process and
uses face recognition for friend tagging suggestions.

Some important cases:
• A person has been at an embarrassing location, took
part in a political event, etc.
• The uploading compromising pictures can and often
does change over time.
Social Networks
-Privacy issues/tagging and location-

“Everything on the internet is recorded in perpetuity,
therefore it’s very important to govern what one says
and does on the internet at all times”
Krishna M. Sadasivam
Social Networks

References
1. Chen, M., Mao, S. & Liu, Y. “Big Data: A Survey” Mobile Netw Appl
(2014)19:171.https://doi.org/10.1007/s11036-013-0489-0.
2. A. Sharma, M. Kumar, and S. Agarwal, “A Complete Survey on Software Architectural
Styles and Patterns,” Procedia Comput. Sci., vol. 70, pp. 16–28, 2015.
3. Manning, J. (2014.) Social media, definition and classes of. In K. Harvey (Ed.),
Encyclopedia of social media and politics (pp. 1158-1162). Thousand Oaks, CA: Sage.
4. M. Qi and D. Edgar-Nevill, “Social networking searching and privacy issues,” Inf. Secur.
Tech. Rep., vol. 16, no. 2, pp. 74–78, May 2011.
5. M. Smith, C. Szongott, B. Henne, and G. von Voigt, “Big data privacy issues in public
social media,” in 2012 6th IEEE International Conference on Digital Ecosystems and
Technologies (DEST), 2012, pp. 1–6.

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