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Integrating Human Observations and Sensor Observations – the Example of a Noise Mapping Community Theodor Foerster Institute for Geoinformatics (ifgi) Workshop DE2010 20th September 2010

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<ul><li>Do you hear it? </li></ul>

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Threat <ul><li>Hearing loss </li></ul><ul><li>Cardiological effects </li></ul><ul><li>Stress </li></ul><ul><li>Annoyance </li></ul>

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Different emitters <ul><li>Traffic </li></ul><ul><li>Airport </li></ul><ul><li>Industries </li></ul><ul><li>Everywhere! </li></ul>

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Example <ul><li>Example - no fake </li></ul><ul><li>SFO airport </li></ul>source: stern.de

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SFO map Source: tx-sfo.airportnetwork.com

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Legal motivation source: European Commission

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Interest in noise Noise vs. climate change Noise vs. global warming

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How to share and create noise data <ul><li>Using sensors </li></ul><ul><li>VGI! </li></ul><ul><li>Publish data centrally </li></ul><ul><li>Spatio-temporal analysis </li></ul>

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Example project source: http://www.mappingforchange.org.uk

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Noise mapping - currently <ul><li>Not digital </li></ul><ul><li>No full coverage </li></ul><ul><li>Only local at a specific time </li></ul><ul><li>Integration missing </li></ul><ul><li> Use case driven & expensive </li></ul>

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Idea <ul><li>Noise mapping community </li></ul><ul><li>Constantly measure noise through smart phones </li></ul><ul><li>Global scale </li></ul><ul><li>Android app </li></ul><ul><li>Build the Human Sensor Web </li></ul><ul><ul><li>Existing Sensor Webs (from authorities) </li></ul></ul><ul><ul><li>Example: Flightwise.com </li></ul></ul><ul><ul><li>Human observations </li></ul></ul>

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Designated sensors source: ibm.com Human sensor observation

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Architecture

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Open issues <ul><li>Power consumption </li></ul><ul><li>Sampling rate </li></ul><ul><li>Human observations </li></ul><ul><ul><li>Trust & Accuracy </li></ul></ul><ul><ul><li>Semantics </li></ul></ul><ul><ul><li>Validation </li></ul></ul><ul><li>How to build a community? </li></ul><ul><ul><li>Incentives & motivation </li></ul></ul>

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Conclusion <ul><li>Human Sensor Web </li></ul><ul><ul><li>Applicable to other VGI scenarios </li></ul></ul><ul><li>Project at the start </li></ul><ul><li>Still open questions </li></ul>

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Thanks for your attention! <ul><li>swsl.uni-muenster.de </li></ul><ul><li>Theodor Foerster </li></ul><ul><li>[email_address] </li></ul>