- Subject index
Using Geodata and Geolocation in the Social Sciences: Mapping our Connected World provides an engaging and accessible introduction to the Geoweb with clear, step-by-step guides for: • Capturing Geodata from sources including GPS, sensor networks and Twitter • Visualizing Geodata using programmes including QGIS, GRASS and R Featuring colour images, practical exercises and a companion website packed with resources, this book is the perfect guide for students and teachers looking to incorporate location-based data into their social science research.
Chapter 6: Introduction to Geodata: Types of Geodata How Do We Identify and Gather Location-Based Data?
Introduction to Geodata: Types of Geodata How Do We Identify and Gather Location-Based Data?
This chapter looks at:
- Absolute location
- Relative location
- Topological space
- Temporal data and time-space compression
- Structured and unstructured data
- Geodata types and tools – some examples
Suppose you receive a simple, three-word message from a friend – “where are you?” – on your mobile device. How might you respond to this query? You might simply reply with “at home” or “going to work.” If you are traveling, you might mention the name of a city or a specific place. If you know your friend’s location and are planning to meet them there, you might respond with “a couple of blocks away” or “10 minutes ...