Abstract
Spatial data by using public knowledge is the most popular way to gather data in terms of social media within the last decade. Literature defines, public or volunteers are accepted bionic sensors detecting their surroundings and share what they detect in terms of their social media applications or microblogs. Besides being cheapest and fastest and easy way of spatial data acquisition, public or volunteers provides not only spatial data but also attribute data which makes the data more valuable. To understand and interpret those data have some difficulties according to locality. Although some difficulties like difference of languages, society structure and the time period would affect tweets depending on locality, gathering public knowledge or volunteered data contribute many scientific or private researches like Urban, Environmental, and Market side. To extract information, data should be reviewed locally according to main aim of research. In this study, our aim is to draw a perspective for a PhD research about volunteered data in the case of Turkey.
Highlights
This study aims to interpret the social media data and spatial data to develop a volunteered geographic information based on a pre-determined time interval, using spatial and semantic analyses
Advent of internet technology foster many researches in the last decade but in the geospatial study field it creates a main branch to gather data in addition to surveying, photogrammetry and remote sensing, called as in some different name; “social media” or “volunteered geographic information” (VGI) or “public participation geographic information systems” (PPGIS)
The main concern in PPGIS concept is the contradiction between the regional benefits and the personal benefits of the study area, while entering data into the system by the use of public participation
Summary
This study aims to interpret the social media data and spatial data to develop a volunteered geographic information based on a pre-determined time interval, using spatial and semantic analyses. Advent of internet technology foster many researches in the last decade but in the geospatial study field it creates a main branch to gather data in addition to surveying, photogrammetry and remote sensing, called as in some different name; “social media” or “volunteered geographic information” (VGI) or “public participation geographic information systems” (PPGIS). People do provide data as they are, they interpret all the things as their inner or outer visions. They prefer to manipulate all those data that they interpret. Participants of VGI do not know the aim of the project while they were contributing the process, that’s why, the conflict of interests situation does not appear and manipulation can be avoided in the case of VGI. Sakaki et al (2010) noted that social media applications like Twitter, Tumblr and Plurk are micro-blogging services that provide platforms to their members to send brief text updates or multimedia such as photographs and audio clips with the locations of them
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