Abstract
Abstract. The development of mobile technologies is important in the lives of humans. Mobile devices constitute a great part of the daily lives of people. It has come to such a point that when people first wake up, they check their smart phones for the first thing. Users may share their positions with the GNSS sensors in mobile devices or they can add information about their positions in mobile applications. Users contribute to Geographical Information System with this sharing. These users consist of native (citizens) living in that geographical position not of the CBS specialists. Creating, collecting, sharing and disseminating the geographical data provided by voluntary individuals constitute the Volunteered Geographic Information System. The data in the Volunteered Geographic Information System are received from amateur users. “How reliable will the data received from amateur users instead of specialists of the field be in scientific terms?” In this study, the reliability between the data received from the voluntary users through Volunteered Geographic Information System and real data is investigated. The real data consist of the traffic accident coordinates. The data that will be received from users will be received through the speed values in the relevant coordinates and the marking of the users for possible accident points on the map.
Highlights
In recent years, contribution of people to online data has become a necessity
The undeniable power of social media is reflected in geographical information systems
Volunteered Geographic Information (VGI) defines the creation of spatial data by a great number of citizens who mostly do not have any official education on this field (Goodchild, 2007)
Summary
Contribution of people to online data has become a necessity. The undeniable power of social media is reflected in geographical information systems. Users participate and contribute voluntarily to geography-based information systems in social media such as OpenStreetMap, Flicker, Foursquare, Waze, Twitter, etc. VGI systems are the geography-based social media sites, and the thing that constitutes the geographical data is the users of these sites. Fast and Rinner (2014) conducted a study and defined the Volunteered Geographic Information system as Project, Participant and Technical Infrastructure. They claimed that these components were at a complex design (Figure 1). VGI systems include hardware components, server and client computers, GPS units or position-based devices like smart phones. This map shows the road network of the streets and alleys of New York at 8.50 through GNSS data (Waze, 2014) The double-blind peer-review was conducted on the basis of the full paper
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