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World Health Organisation - Data API using the new REST nodes

REST GET Request Path Tag Cloud WHO
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The World Health Organisation (WHO) provides a wide range of data on health related topics. Here we show how to access data from their RESTful webservice, which provides information on causes of death. The data are retrieved as XML, and the relevant data are extracted using the XPath nodes. After some processing and aggregation statistics a subset of the data is plotted using a Tag cloud to show differences in the top 10 causes of death for men and women. We also plot a Bar Chart showing how death rates have changed between 2000 and 2012. We also show to do combine multiple calls to a webservice using the GET Request node. Once again, the XML data are processed using the XPath nodes, and the leading causes of death are subsequently plotted in a bar chart. This chart highlights the differences between the various regions of the world.

External resources

  • E-Learning course - Sending a GET Request to a REST service
  • WHO datasets
  • Information about WHO data API

Used extensions & nodes

Created with KNIME Analytics Platform version 4.1.1
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    KNIME Core Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.1

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    KNIME JavaScript Views Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.0

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    KNIME Quick Forms Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.1

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    KNIME REST Client Extension Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.1

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    KNIME Textprocessing Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.0

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    KNIME XML-Processing Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.0

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