Volunteered geographic information workshop Flashcards

1
Q

What is crowdsourcing?

A

-online distributed problem solving and production model that leverages the collective intelligence of online communities for specific purposes set forth by a crowdsourcing organization

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2
Q

What is citizen science?

A
  • public engagment in scientific research. citizens contribute to science either with their intellectual effort or surrounding knowledge or with their tools and resources
  • non-experts collect data, research design and analysis.
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3
Q

what is VGI?

A

GI acquired and made available to others thru voluntary activity of individuals or groups, with the intent of providing info about the geographic world

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4
Q

How to classify VGI?

A
  • by reasons data were created (allocentric vs egocentric)
  • by type of knowledge encoded (scientific, geosocial/personal)
  • by process for creating data (active vs passive (when ppl creep ur fb an take ur data) )
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5
Q

what are the 4 lvls in citizen science projects

A

crowdsourcing > distributed intelligence > participatory science > extreme citizen science

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6
Q

Why do people contribute spatial data?

A
  • personal/professional itnerest
  • altruism
  • reputation
  • pride in community
  • protect personal interests
  • intellectual stimulation
  • mischief ;)
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7
Q

what map elements do OSM feature?

A
  • nodes
  • ways
  • relation
  • tags (attributes)
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8
Q

OSM is based on - pairs

A

key- value

*visible in XML format

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