18 Questions
What is a major advantage of VGI over accuracy testing by official mapping agencies?
Contributors have unique local knowledge
In what domain has crowdsourcing been particularly beneficial, according to the text?
Natural hazards like hurricanes and earthquakes
What project managed by the USGS analyzed the accuracy of data produced by volunteers, as mentioned in the text?
The National Map
What is a primary goal of CEGIS researchers concerning crowdsourcing and geospatial data around hazards?
To improve predictive models of coastal change
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
In what area can Citizen Science projects be classified according to the text?
Projects where non-professionals collaborate with scientists
What is the primary goal of Citizen Science projects at the USGS?
To strengthen scientific research and provide STEM education opportunities
What type of Volunteered Geographic Information (VGI) is mentioned in the text?
Adding road segments to OpenStreetMap using GPS data
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
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
Which of the following is not an example of ongoing scientific work at the USGS?
Developing new machine learning algorithms for image classification
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
Who is credited with coining the term 'Geographic Information System'?
Roger Tomlinson
Which of the following is NOT considered a component of Geographic Information Science?
Hardware maintenance
Which of the following best describes the 'Studies' component of GIS?
Investigating the societal impacts and ethical implications of GIS
According to Dueker's 1979 definition, what type of spatial features can a GIS represent?
Points, lines, and areas
Which of the following is NOT a key function of a Geographic Information System?
Generating weather forecasts
What distinguishes spatial data from other types of data in a GIS?
Spatial data are linked to maps
Explore the accuracy of Volunteered Geographic Information (VGI) and its comparison with data produced by official mapping agencies. Learn how local knowledge of contributors can provide an advantage in some instances. Dive into the research conducted by the Center of Excellence for Geospatial Information Science (CEGIS) on this topic.
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