SC4 Workshop 1: Dave Marples: Role of social media in transport

SC4 Workshop 1: Dave Marples: Role of social media in transport

• 1.
  Social Media in transport DaveMarples, Technolution B.V.
• 2.
  What are SocialMedia? Social media are computer-mediated tools that allow people to create, share or exchange information, ideas, and pictures/videos in virtual communities and networks. [It is] is defined as "a group of Internet-based applications that build on the ideological and technological foundations of Web 2.0, and that allow the creation and exchange of user- generated content. Source: WikiPedia
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  Big Data Collectionand Analysis LifeCycle Acquisition Recording Acquisition Recording Integration Aggregation Representati on Integration Aggregation Representati on Extraction Annotation Cleaning Storage Extraction Annotation Cleaning Storage Visualization Analysis Modeling Visualization Analysis Modeling Interpretation Re- interpretation Disseminatio n Deletion Interpretation Re- interpretation Disseminatio n Deletion Source: OECD ITF, Big Data and Transport, 2015 Heterogeneity Volatility Scale Velocity, timeliness Traceability, privacy Representativenes s Human Input Interpretatio n Value
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  Inbound Stimulus to TrafficControl (Sensor)
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  Outbound Stimulus to RoadUser (Actuator)
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  Key Issues  DataInflows vs. Data Outflows; Sensors or Actuators?  Continuous availability of dataflows  Quality, Reliability, Timeliness, Specificity, Interpretability  Susceptibility to Spoofing and other malevolent behavior  ‘Born Digital’ or ‘Born Analogue’?
• 7.
  Open questions  Howcan we decide what social media data inflows we can rely on, and to what degree?  To what degree does the fact that Social Media sources are electively published give us open rights to use them? (weknowyourhouse.com, pleaserobme.com etc).  How do we prevent spoof outflows from confusing users?  How can we prevent beneficial services encouraging inappropriate use of Social Media