Accuracy of Volunteered Geographic Information (VGI) in Mapping

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What is a major advantage of VGI over accuracy testing by official mapping agencies?

It is always more accurate
Contributors have unique local knowledge (correct)
It is backed by government funding
It is more cost-effective

In what domain has crowdsourcing been particularly beneficial, according to the text?

Space exploration
Agricultural development
Historical preservation
Natural hazards like hurricanes and earthquakes (correct)

What project managed by the USGS analyzed the accuracy of data produced by volunteers, as mentioned in the text?

Volunteer Geospatial Initiative
Global Satellite Mapping Project
The National Map (correct)
Earth Observation Network

What is a primary goal of CEGIS researchers concerning crowdsourcing and geospatial data around hazards?

To improve predictive models of coastal change (D) Signup and view all the answers

What aspect do CEGIS researchers aim to explore related to VGI apart from accuracy, as mentioned in the text?

User motivations, changes to business models, and cultural barriers (C) Signup and view all the answers

In what area can Citizen Science projects be classified according to the text?

Projects where non-professionals collaborate with scientists (B) Signup and view all the answers

What is the primary goal of Citizen Science projects at the USGS?

To strengthen scientific research and provide STEM education opportunities (B) Signup and view all the answers

What type of Volunteered Geographic Information (VGI) is mentioned in the text?

Adding road segments to OpenStreetMap using GPS data (B) Signup and view all the answers

Which of the following is not mentioned as an area of investigation for CEGIS researchers regarding Citizen Science at the USGS?

Strategies for commercialization of citizen-contributed data (B) Signup and view all the answers

What is the purpose of the OpenStreetMap project mentioned in the text?

To create a free base map of the world using Volunteered Geographic Information (B) Signup and view all the answers

Which of the following is not an example of ongoing scientific work at the USGS?

Developing new machine learning algorithms for image classification (A) Signup and view all the answers

What is the primary focus of the CEGIS researchers mentioned in the text?

Recommending best practices and strategies for integrating Citizen Science projects into ongoing scientific work (D) Signup and view all the answers

Who is credited with coining the term 'Geographic Information System'?

Roger Tomlinson (D) Signup and view all the answers

Which of the following is NOT considered a component of Geographic Information Science?

Hardware maintenance (C) Signup and view all the answers

Which of the following best describes the 'Studies' component of GIS?

Investigating the societal impacts and ethical implications of GIS (A) Signup and view all the answers

According to Dueker's 1979 definition, what type of spatial features can a GIS represent?

Points, lines, and areas (A) Signup and view all the answers

Which of the following is NOT a key function of a Geographic Information System?

Generating weather forecasts (C) Signup and view all the answers

What distinguishes spatial data from other types of data in a GIS?

Spatial data are linked to maps (B) Signup and view all the answers