wwv2015: sander klous_we are big data
TRANSCRIPT
We are Big DataThe future of the information society
prof. dr. Sander Klous
Big Data Ecosystems in Business and Society
University of Amsterdam
Big Data Analytics
KPMG Advisory
@sanderklous
http://nl.linkedin.com/in/sanderklous
1© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Extreme expectations
https://www.youtube.com/watch?v=2vXyx_qG6mQ
3© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
4© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
5© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
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300 MB/s
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independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Nobel prize 2013 to Higgs and Englert
9 pages with authors
(3 authors @ KPMG)
8© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Shared value with Big Data
http://www.visaeurope.com/en/newsroom/news
/articles/2010/validsoft_fraud_solution.aspx
9© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Torrents in the music industry,
Bitcoins in the financial sector
10© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Jobless recovery in a developing information society
http://www.futuretech.ox.ac.uk/sites/futuretech.ox.ac.uk/files/The_Future_of_Employment_OMS_Working_Paper_1.pdf
Accountants: 95%
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independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Big Brother is watching you
13© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Big Brother is watching you
14© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
The Target case: life changing events
Andrew Pole had just started
working as a statistician for
Target in 2002…
http://www.nytimes.com/2012/02/19/maga
zine/shopping-habits.html
15© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Lack of transparency: LG and TP-Link (Philips) example
http://doctorbeet.blogspot.nl/2013/11/lg-smart-tvs-logging-usb-filenames-and.html
http://www.cbpweb.nl/downloads_pb/pb_20130822-persoonsgegevens-smart-tv.pdf
18© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
The profile of the data scientist
Apples and Pears
Suppose we have two jars with apples and pears.
Our prior knowledge is that:
■ Jar A contains 10 apples and 30 pears
■ Jar B contains 20 of each
Fred picks a jar, without further evidence there is a 50% chance this is jar A (or B).
Fred pulls out a pear. The new probability that Fred picked bowl A is 0.75 x 0.5 / ( 0.75 x 0.5 + 0.5 x 0.5 ) = 0.6
Jar A Jar B
Simpson’s paradoxAlthough in this simple example Bayesian statistics appears to be straight forward, many subtleties arise
in analysis. One of the more famous pitfalls is called Simpson’s paradox:
http://en.wikipedia.org/wiki/Simpson's_paradox
Question:
Do you have a higher chance of survival when falling overboard with or without a life jacket?
P(Hn|E) =P(E|Hn)P(Hn)
Sum1N (P(E|Hn))
Correlation or Causality?
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independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Mechanism Design (Nobel prize 2007)
Sandy
Pentland
(MIT)
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independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Rules and regulations in a do it yourself society
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independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Big Data and Society, an ethical perspective
23© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Boundary conditions
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independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
KPMG Analytics & Visualization Environment
(KAVE)
The Overview
Horizontally Scalable
Open Source
Configurable
Modular
Secure
The Implementation
Remote (or local) hosting
Dedicated hardware
Virtualized system
Secure internal network
25© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Sharing insights
Sensitive
Sensitive Data
Source
Private
Local
KAVEPII
Personally
Identifiable
Information
Sensitive
Sensitive Data
Source
PII
Personally
Identifiable
Information
Public Data
Source
Shared
Remote
KAVE
100 %
Coverage
Mobile
AppWebpage /
interface Two way flow of insights
or limited public data,
complete client control
One way flow of data
Trusted Third Party (A) Trusted Third Party (B)
Private
Remote
KAVE
Two countries / clients
/ departments need to
combine and share
insights securely
No single attractive target for hackers
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independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Governance in a data driven organization
D&A Board
The D&A board is accountable for the success of D&A projects. The board consists of multiple delegates from the operational and D&A units. The board is headed by an executive that reports directly to the CEO.
From ideas to projects
The board is responsible for the vision, plan of approach and formation of project groups. Project groups consist of talent from within the organization to work out their own initiatives and ideas. Participation in these projects is by invitation only and considered a career accelerator. Project development occurs in short cycles.
Becoming ‘data driven’
As the D&A units mature, the division of data-oriented functionalities into operational silos decreases.
Understanding D&A services
The D&A units provide a variety of solutions to the operational units.Operational units will continue to run and be responsible for their own activities and associated data.
From data to ideas
The D&A services are managed by the board. Ideas are collected from all sources within the organization (not only from within the D&A Services groups).
Aggregating data
The D&A units facilitate the operational units to capitalize on data through data driven business models. D&A Board
Executive Committee
Bu
sin
ess
Mar
keti
ng
Fin
ance
HR
Operational units
Rea
l tim
e an
alys
is
Pro
cess
ing
Idea generation
VisionPlan of
approachProject Groups
D&A units
Dat
a A
cqu
isit
ion
27© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Agile project management
Insight into
digitalizationDiscovering the digital possibilities
Breaking the
rules
Related worlds
Ambition
Ambition
Customer
perspective
Powertrack
planning
Business
value
Ideas for
digitalizationVision Generating an appetite
Preparation for and creating client cases using a
Big Data opportunity eventProof of Concept for selected cases and
hand over
Transformation of the solution
and business model
Envisioning…
uncovering client
cases using a Big
Data opportunities
Preparing…
selected client cases
for Proof of Concepts
Reviewing…
evaluating the results
and determining the
way forward
Developing…
the Proof of Concepts
of the selected client
cases
Coordinating the project using a phased and agile approach
Continuous interaction to orchestrate Big
Data strategy process and if necessary
adjust business case directions.
2 weeks 10 weeks to be decided
Part of this
proposal
Additional
activities
Client
cases
29© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Behavioral patterns:
Dynamic online profiling
Conference venueBackground
Knowing your online web site visitors is advantageous since it enables
increasing the effectiveness of online offerings: by targeting more relevant
content, advertisements and e-commerce products to audiences with
interests that match, conversion rates and thus revenue will increase. Data-
driven insights based on web access logs help to create this understanding
in customer behavior.
Requirements / Challenges
■ Processing and combining large volumes of data from two separate ‘silos’
with little, but valuable, overlap: identified customer (subscription) data
versus unidentified customer (online) data
■ Automatized identification of meaningful clusters of interests in data
Resources
■ Data sources: web access logs and online subscription data
■ Duration (develop phase): 8 – 16 weeks
Solution
■ ‘KPMG Analytics & Visualization Environment (KAVE)’ cluster used as a
horizontally scalable storage and computing resource
■ Analysis algorithms and machine learning tools were developed to apply a
dynamic segmentation model and identify clusters of customers interests
Benefits
A pilot testing such ‘Decision Engine’ shows a >25% increase in conversion
rate (CTR) which corresponds to 0,3 – 1,7m euros of potential gain in online
advertisement revenue for this specific case.
Avg. CTR: 0.063
CTR SWAP: 0.079 (+25%)
User profile A
Read:
car.com
Searched: BMW
User profile B
Read:
olympicsSearched:
Nike
30© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Behavioral patterns:
Crowd & Mobility Management at a large Dutch Telco
Conference venueBackground
An infrastructure company wants to use a sensor network that covers the whole of the Netherlands. The network generates terabytes of data that can provide more insight in the transport flows in addition to their own transport data. Based on these combined data, the infrastructure company can make more efficient logistics planning and adequately respond to disturbances.
Requirements / Challenges
■ Linking external sensor network data to internal data sources
■ Recognizing trends in historical data & real-time monitoring of network data
■ Clear and simple overview of large volumes of complex data
Resources
■ Data sources: infrastructure and network data, sensor network data
■ Duration (develop phase): 6 –12 weeks
Solution
■ Combining different data sources into a data institute
■ Data storage by Teradata unified data architecture including Hadoopcluster
■ Distributed analysis using Aster & MapReduce algorithms
■ Storm implementation for real-time data processing
Benefits
■ Reduction of IT costs by outsourcing to specialized data institute
■ Cost savings by acting on trends and disruptions adequately
■ Enriched data as a product for other parties in the transport ecosystem
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independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Behavioral patterns:
Shopping behavior at a large international furniture retailer
Conference venueBackground
Tracking the customer behaviour is important information which can be gathered using several types of sources. Wi-Fi signals can for instance be used to detect shopping patterns from customers, but one can think of many different data sources and techniques, like security cameras, iBeacon or Bluetooth.
Requirements / Challenges
■ Real-time collection and analysis Wi-Fi device signals.
■ Analysing the customer behaviour and plotting patterns, graphs and trend lines.
■ Storing sales data, data from RFID chips or motion sensors for extra information about certain products.
■ Storing other relevant (e.g. Social Media) information.
Resources
■ Data sources: Wi-Fi device signals. Additionally: sales data, RFID data, social media data, camera footage, iBeacon.
■ Duration (develop phase): 8 – 16 weeks
Solution
The analysis of any of these separate data streams will provide vital information about the shopping behaviour of customers. Combining all the data creates even richer information.
Benefits
The goal is to define which variables affect a purchase and make changes accordingly. For example, a store might deploy more salespeople, alter displays or put out red blouses instead of blue, according to a story on Bloomberg.
32© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Background
Monte Carlo simulation to analyze operational efficiency of Operation Room
planning at a large academic hospital. A new blue print for OR planning was
created and needed to be evaluated on performance, expected production
numbers and where issues might arise.
Requirements / Challenges
■ Handling poor data quality
■ Translate highly flexible human decision-making to rules in model
■ Client involvement (expert knowledge) was needed throughout the
process in order to create an expert system for planning
Resources
■ Data sources: blueprint, historical OR usage data
■ Duration (develop phase): 10 –16 weeks
Solution
Built a Monte Carlo simulation model to evaluate the expected performance
of the blueprint in various scenario’s and to quantify these results.
Benefits
With our results, the client gained insight into the expected performance of
the new blueprint, including the expected performance for several
alternative scenario’s.
Asset management and planning at a University Medical Center
Realit
yS
imula
tion
2012 2014
33© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Background
A Dutch retail bank started a project combining internal and external data
sources. The goal is to model risk for a collection of mortgages based on life-
changing events in order to reduce costs on financially unhealthy clients. By
combining public information on an online house-selling website with internal
bank data, a model has been built to describe and predict the length of
mortgages and to analyze the difference in house-selling price and the
mortgage.
Requirements / Challenges
■ More than 200,000 mortgages & over 250,000 homes for sale on
Funda.nl, while limited or no understanding of customers selling houses
■ Privacy challenge: sensitive personal information needs to be anonymized
Resources
■ Data sources: internal bank data, open data crawled from Funda.nl
■ Duration (develop phase): 6 –10 weeks
Solution
■ An application crawls the Funda.nl pages on a daily basis
■ The results are loaded into a Teradata Aster Cluster and combined with
bank information on customers and products
■ Mortgages and Funda.nl results are linked based on postal code and
house number
Benefits
Daily insight into the housing market: prices, locations and time and
understanding customers that offer a home or apartment for sale
Mortgage Risk Portfolio Management at a large Dutch bank
Data Hub CustomerAnalytics
InstituteCompany A
Company B1
3
3
2
en
cry
ptio
n
en
cry
ptio
n
Blue line:
financially
healthy clients
Red line:
clients from
Fin. Health
Dep.
34© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Background
In a short Big Data pilot, a bank wants to research the possibility to find
indicators that consumers (customers) will get into financial trouble before it
actually happens. This can be input for proactively helping customers that
need financial aids, enlarging customer trust, cutting costs on special needs
customers and decrease losses on defaults.
Requirements / Challenges
■ In order to get hands-on experience the bank wants to use Big Data
technologies (Teradata cluster)
Resources
■ Data sources: bank transactions data and customer data
■ Duration (develop phase): 6 –16 weeks
Solution
■ Pattern recognition of income and expenditure
■ Modelling the customer dynamically, as a response-system
■ Describe the transaction behavior as a coupled second-order linear
differential equation
■ Monte Carlo simulation on the customer behavior in order to do a
prediction of financial health.
Benefits
Insights in typical spending behavior of financially healthy and unhealthy
customers
Financial health monitoring at a large Dutch bank
Customer
needs
special
attention
Month
Fra
ction o
f all
spendin
g
Conservative
spending
How often does a customer spend an amount under 1000 euros?
Customers heading for a financially
unhealthy situation
Triangles hold financially
sustainable behavior
Financially healthy customers
Conservativity
index
36© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Conclusions
■ Think big, start small, scale fast!
■ Start at the data. Value of data cannot be determined
upfront. Work iteratively toward value.
■ Privacy rules and regulations change when moving
from small to Big Data. Big Data really is different.
■ Allow the team to experiment and be creative.
Embrace a fail-fast distributed risk approach.
■ Support a possible use-case with a business case so
everybody is clear on what to expect as a result.
■ Big data is about ideas, skills but most of all: data.
Team up to get access to complementary sources.
The Golden Case:
1. Adds value for society and clients.
2. Shows the potential of Big Data
3. Starts small but is meaningful.
4. Has the potential to scale fast.
37© 2014 KPMG Advisory N.V., registered with the trade register in the Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP and a member firm of the KPMG network of
independent member firms affiliated with KPMG International Cooperative (‘KPMG International’), a Swiss entity. All rights reserved. Printed in the Netherlands. The KPMG name, logo and
‘cutting through complexity’ are registered trademarks or trademarks of KPMG International.
Maybe trust is overrated
© 2014 KPMG Advisory N.V., registered with the trade register in the
Netherlands under number 33263682, is a subsidiary of KPMG Europe LLP
and a member firm of the KPMG network of independent member firms
affiliated with KPMG International Cooperative (‘KPMG International’),
a Swiss entity. All rights reserved. Printed in the Netherlands.
The KPMG name, logo and ‘cutting through complexity’ are registered
trademarks or trademarks of KPMG International.
Sander Klous
KPMG Management Consulting
Laan van Langerhuize 1
1186 DS, Amstelveen
Tel: +31 20 656 7186