Gert Nelissen


Recent Posts

Putting the learning organisation into practice: the Crypto Currency Competition

By Gert Nelissen on 16 November 2018

The world we live in today is highly competitive. Competitors lurk around every corner, customers become increasingly demanding and new technologies are able to devour your existing business model. Knowledge, and - even more importantly - sharing it, are essential in such times. Organisations and people who learn faster and more efficiently take the pole position.

Equally within AE the acquisition and sharing of knowledge is important. There are several different ways to do this. In this blog post, we introduce you into how we creatively tackled this in our financial service community via an in-house crypto competition.

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Rest assured of a personal approach thanks to analytics

By Gert Nelissen on 29 June 2018

KBC is one of the largest bank-insurers in Belgium for both private individuals and medium-sized businesses. In order to strengthen their market position, and evolve towards a data-driven organisation, the bank wants to maximize the value from the available data.

With the evolution towards a data-driven organisation, the intensive use of commercial data and data analysis has developed into a strategic core-competency for KBC. Together with their business partners, they are building multiple new quality data layers (Commercial data, Risk data, etc.) which contain accurate and consistent data, are based on unambiguous definitions, comply with the new GDPR legislation and can be unlocked at the right moment, in the right form and via the right channel. These new Data Layers are developed on a Big Data platform with specific tools and technologies.The bank recruited the help of AE in order to convert the data that they are gathering into useful and practical insights for the internal services. The ultimate objectivel is to ensure a personalised approach for end-users of KBC. 

 

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Big Data: We're Not There Yet - Part II

By Gert Nelissen on 15 December 2016

In an attempt to show one of our customers a better way to connect a legacy Postgres system to a large data set, a team of AE experts turned the discussion into an internal competition. Contenders Phoenix and Cassandra already lost the challenge, as you can read in Part I.  In Part II we'll explore whether Drill or Impala can rise to the occasion.

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Ingesting data with Spark using a custom Hadoop FileInputFormat

By Gert Nelissen on 24 March 2016

Together with a large organization, we’re building a platform that presents company data to its data scientists so they can use it to develop innovative applications.

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How to use Composite Indexes

By Gert Nelissen on 13 June 2014

You might be a developer like me. You might also wander around in the deep and dark layers of relational database systems. You might've been face to face with this thing some call a composite index.

Why are you talking in this denigrating tone?

Because in the fairly limited experience I have, I have seen some grave cases of index abuse. Of them, badly designed composite indexes - or multi-column indexes - were always the most aggravating ones.

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