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What
if
dr.
Erik
Mannens
@erikmannens
Open Data, Linked Data, and Big Data
We need
together

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Open
Data

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Way of … Thinking

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Silos of Data

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“Stop Hugging your Data”

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e.g. … Open Learning

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Open
Data
Linked

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Way of … Publishing

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Semantic Web

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Connect your Silos

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5-stars (Technical Perspective)
Open Linked Data (Tim Berners-Lee)
Make your Stuff available on the Web
Make it available as Structured Data
In a non-proprietary Format
Use URLs to identify Things, so one can point at your Stuff
Link your Data to other People’s Data to provide Context

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5-stars (Organisational Perspective)
Open Data Engagement (Tim Davies)
Be Demand-driven
Provide Context
Support Conversation
Build Skills & Capacity
Collaborate with the Community

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5-stars (Functional Perspective)
Open Data Portal Functionalities (iMinds)
Dataset Registry
Metadata Provider
Co-creation Platform
Data Publishing Platform
Common Data Hub

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Data as Commodity

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Sidenote
R&Wbase

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15’ Open Data Publishing Framework
e.g.
data.gent.be
opendata.antwerpen.be

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Publishes 2 to 5 Star Data
tdt/core
tdt/input
triple store

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REST-full API for Developers
triple store
core
RESTful data adapter
CSV
XLS
JSON
XML
SPARQL
endpoint
...
e.g. datatank.gent.be/Grondgebied/Straten
or data.irail.be/NMBS/Stations

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R&Wbase
git for triples

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Read/Write
LINKED
DATA

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TRIPLE STORES
are they up for the challenge?

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Distributed Triple Version Control
Commits
DeltasVirtual graphs
Versions
store
describe
identify
resolve

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LIVE triples
require fast version retrieval
LIGHTWEIGHT
algorithm
through a

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Store triples
QUADS
<subject> <predicate> <object> <context>
using

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R&Wbase
GRAPH access
TRIPLE
STORES
PROVENANCE
VERSION
with direct
provides
control
for
and

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Data
BIG

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Way of … Analyzing

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How Difficult Can It Be?

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Collaborative Effort found Higgs Boson

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Banking Industry
Healthcare
Industry
Marketing
Industry
Smart Cities
Deep understanding of some key Big Data markets

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• US Securities and Exchanges Commission has estimated that it
would need to collect 20 terabytes of data per month to monitor all US
capital market activity
• Unstructured data comprises some 80% of the total data held by
the average financial institution
• The total number of non-cash payments in the EU amounted to
90.6 billion in 2011.
• The total number of automatic teller machines (ATMs) in the EU in
2011 was 0.44 million
• The number of points of sale (POS) terminals in the EU was 8.8
million in 2011
Big (Data) Bang in Banking

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What
ifit were
OPEN & LINKED

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e.g. … OpenSpending

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e.g. … OpenSpending

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e.g. … OpenBank

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e.g. … OpenCorporates

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e.g. … OpenCorporates - Belgium

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• Medical images are increasing by 20-40% annually
• Electronic medical records: in 2009, 99% of primary care physicians
in the Netherlands used EMRs, compared to 46% in the United States
and 36% in Canada
• Medical research, in which 100,000 participants are genotyped
(ca. 1.5 GB/person), could result in a staggering 150 terabytes of
data.
• As of July 2012 PatientsLikeMe members have shared 4,029,661
symptom reports about 7,338 symptoms and 548,650 treatment
histories about 12,838 treatments
Big (Data) Bang in Healthcare

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What
ifit were
OPEN & LINKED

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e.g. … PatientsLikeMe

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e.g. … 23AndMe

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e.g. … PlayStation III

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e.g. … OpenPhacts

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e.g. … DisQover (iMinds –Ontoforce)

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• Data use is expected to grow by as much as 44 times, amounting to
some 35.2ZB (zettabytes -- a billion terabytes) globally
• Walmart handles more than 1 million customer transactions
every hour, which is imported into databases estimated to
contain more than 2.5 petabytes of data.
• Twitter has 200 million tweets per day or approximately 46MB/sec of
data created (August 2011)
• 25% of search results for the World’s Top 20 largest brands are links
to user-generated content
• YouTube has 3 billion visitors per day, 48 hours of video is uploaded
per minute (May 2011)
• There are over 200,000,000 blogs: 34% of their posts are
opinions about products & brands
Big (Data) Bang in Marketing

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What
ifit were
OPEN & LINKED

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e.g. … Consumers in 1990

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e.g. … Consumers in 2000

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e.g. … Consumers since 2010

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The Tyranny of the Empowered ConsYOUmers

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e.g. … GoodRelations

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e.g. … Nike

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• Data use is expected to grow by as much as 44 times,
amounting to some 35.2ZB (zettabytes -- a billion terabytes) globally
• Sensors, social media feeds, photos, video and cellphone GPS
signals account for 2.5 quintillion bytes of data per day
• More than 50% global population lives in cities and this number is
forecast to rise to 69% by 2050
• The number of city residents is expected to grow from 3.5 billion
to 5 billion in the next 20 years
• ‘Internet of Things’ Age is approaching: 25 billion devices
connected to the Internet by 2015 and 50 billion by 2020
• Access to public data is estimated to be worth €27 billion in the EU
• ICT-enabled energy efficiency could translate into over €600 billion
worth of cost savings for the public and private sector
Big (Data) Bang in Smart Cities

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What
ifit were
OPEN & LINKED

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e.g. … OpenTransport

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e.g. … OpenTransport

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e.g. … OpenEnergyMonitor

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e.g. … Big Data … in Iceland?

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e.g. … a Trillion Sensors … in Iceland!

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QUESTIONS?
dr. Erik Mannens
erik.mannens@ugent.be
@erikmannens
Thoughts?

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Credits
• EMC - Greenplum
• Peter Hinssen
• Scott Brinker
• Jim Lecinski
• David Armano
• Did not have time to check all licenses of the Flickr
photos – in my defense, I did not kill anyone nor did I in
any way insult and/or infringe the CIA, NSA, NDA, or
any other JAA (Just Another Acronym)