Big Data Trends
in the Google Era
Application to Greek
Politics
Business and Environmental Technology LabEnvironmental Engineering Department, Democritus University of
Thrace
Amaryllis Mavragani &
Konstantinos Tsagarakis
Big
Data
Large volumes (growing exponentially)
Wide range of data sets
High processing speed
Tools
Google Trends
Google Correlate
Keyword Planner
Tools Are these tools
credible enough for academic research?
The answer seems to be positive
Tools
Many published papers using Google Trends
Scientific fields include:
Economics and Finance
Medicine Behavior Social Sciences
Aim
s &
Sco
pe
We use these Google Tools to look into specific terms in greek politics
Tr
ends
Keyword searchSelect time periodSelect location (Country/Worldwide)
Outputs:
A ‘What’s Trending’ graph
Breakdown by City or Region
Related Searches – Breakdown by Top & Rising
Gre
xit A well-known term
derived by the words
‘Greece’ & ‘Exit’
i.e. Greece exiting Euro
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ends
Defa
ult
The greek word for default is
“Χρεοκοπία”,
though very commonly misspelled as
“Χρεωκοπία”
Defa
ult
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ends
Tr
ends Different
Spellings
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ends
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ends
Noisy Data
Varoufakis: Greek Economics Minister
Incident with video with middle finger
Not clear if real or fake
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ends
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ends
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ends
Google Trends requires careful use and analysis
Normalized values
Differences in results:
Misspelling
Use or not of accents
C
orr
ela
te
Keyword search
Outputs:
Keyword’s correlation with other words or phrases
Line Chart
Scatter Plot
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orr
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te
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orr
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orr
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orr
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orr
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orr
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Odd correlations
Upload own time series
Instant correlation results
Line Chart & Scatter Plot
Keyw
ord
P
lanner
Keyword search
Breakdown by Device
Breakdown by Location
Keyw
ord
P
lanner
Keyw
ord
P
lanner
Keyw
ord
P
lanner
Absolute volumes of searches
Breakdown by device allows further analysis
Only goes two years back
Concl
usi
ons
Google tools
Easy
Fast
Accessible
Concl
usi
ons
Google tools
Careful analysis
Languages
Misspelling
Accents
Odd correlations
Thank you