Public Information Systems
What is it? <ul><li>Something that helps people </li></ul><ul><li>An information service </li></ul><ul><li>A service for e...
Examples <ul><li>Journey Planner </li></ul><ul><li>Traffic information </li></ul><ul><li>An internet TV guide </li></ul><u...
Weather – Data Collection <ul><li>How is weather data collected? </li></ul><ul><ul><li>Data Logging </li></ul></ul><ul><li...
Primary Data <ul><li>Primary data is data that you collect directly. </li></ul><ul><li>If you use a machine to measure the...
Secondary Data <ul><li>Secondary data is where someone else collects the data. </li></ul><ul><li>It is data that someone e...
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Public Information Systems

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Public Information Systems

  1. 1. Public Information Systems
  2. 2. What is it? <ul><li>Something that helps people </li></ul><ul><li>An information service </li></ul><ul><li>A service for everyone </li></ul><ul><li>Can provide automatically updated information </li></ul><ul><li>ICT is used in most of these systems – why? </li></ul>
  3. 3. Examples <ul><li>Journey Planner </li></ul><ul><li>Traffic information </li></ul><ul><li>An internet TV guide </li></ul><ul><li>A internet weather service </li></ul>
  4. 4. Weather – Data Collection <ul><li>How is weather data collected? </li></ul><ul><ul><li>Data Logging </li></ul></ul><ul><li>Satellite Imaging </li></ul><ul><li>Weather stations </li></ul><ul><ul><li>Temperature sensors </li></ul></ul><ul><ul><li>Wind meter </li></ul></ul><ul><ul><li>Rainfall counter </li></ul></ul>
  5. 5. Primary Data <ul><li>Primary data is data that you collect directly. </li></ul><ul><li>If you use a machine to measure the current temperature, this is primary data collection. </li></ul><ul><li>MET office data is Primary data when used by the MET office. </li></ul>
  6. 6. Secondary Data <ul><li>Secondary data is where someone else collects the data. </li></ul><ul><li>It is data that someone else has collected and can then be used by you. </li></ul><ul><li>For example the BBC may get their weather data from the MET office to publish on their website – this is secondary data. </li></ul>

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