Data Management & Warehousing

Tag: Data Quality

  • Addressing Business Intelligence Data Quality

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    macleanwalker
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    A friend of mine posted a link to Michael W. Dobson’s TeleMapics Blog entitled Google Maps announces a 400 year advantage over Apple Maps about Apple’s problems with the release of their own mapping solution with iOS6. These problems are well documented elsewhere but Michael’s post highlights problems not just associated with mapping data but common across…

  • Struggling with Data Management ?

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    macleanwalker
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    Re-print of a magazine article from August 2010 Those responsible for data management in your organisation are probably struggling. If you can find an individual or group responsible for everything then they have a lot on their plate.  Even if they have managed to write policies and procedures they probably don’t have the time or…

  • Analysis by ETL …

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    macleanwalker
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    Performing source-system analysis by writing ETL is just about the most expensive way you can do it; but many organisations do exactly that. Why? Because they “can’t afford” to do their analysis the cheaper way. No, this does not make sense. This is how it works… In most data warehousing projects, business analysts are separated…

  • Data Quality: Common Problems & Checks

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    macleanwalker
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    An ETIS presentation from Zagreb in April 2009 Data Quality problems are a SOURCE SYSTEM issue and an ETL issue They just manifest themselves in the data warehouse Prevention is better than cure Fixing the source system or the ETL is ALWAYS cheaper and more effective than cleaning the data in the ETL or in the…

  • ETIS – The global IT association for telecommunications

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    macleanwalker
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    ETIS (http://etis.org) is a membership based organisation which brings together the major telecommunications providers in Europe on key information and communication technology issues. The mission of ETIS is to enable its members to improve their business performance by personal exchange of information on using ICT effectively. ETIS achieves this by engaging its members in various working…

  • Ready for Change?

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    macleanwalker
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    A presentation given to the 3rd Citia BTC Conference in Kiev. This presentation looks at the problems of creating a long-term sustainable data warehousing environment in the context of the change that will affect them: Data warehouses are constantly in a state of flux The cost of build is small by comparison with the operational…

  • How Data Works

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    macleanwalker
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    Every business believes that their data is unique. However the storage and management of that data uses similar methods and technologies across all organisations. As a result the same issues of consistency, performance and quality occur across all organisations. The commercial difference between organisations is not whether they have data issues but how they react…

  • From Volume to Value

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    macleanwalker
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    A presentation given to the Oracle Business Intelligence forum for Telcos that discussed how businesses should move from collecting volume of data to using the value of the data. It sets the context about what issues businesses are facing and then suggests five actions that can be used to help address the issues. These are:…

  • The Continuous Data Quality Process Wallchart

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    macleanwalker
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    The large format edition of the Continuous Data Quality Process wallchart is now available for download   Download the Continuous Data Quality Process Wallchart now

  • Information Delivery: The Change In Data Management at Network Rail

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    macleanwalker
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    In September 2004 we presented at the Oracle OpenWorld conference on the successful initial stages on rolling out an enterprise wide information and reporting portal built on the Oracle tool set. Rail privatisation and RailTrack was failing and Network Rail was created to take over the management of the different aspects of the railways. This…