A GIS-based Time-geographic Framework for Spatio-temporal ...
A GIS-based Time-geographic Framework for Spatio-temporal ...
A GIS-based Time-geographic Framework for Spatio-temporal ...
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A Brief Review of <strong>Time</strong> Geography:<br />
• Hägerstrand’s (1970) time geography provides a useful<br />
framework <strong>for</strong> studying individual activities under<br />
different constraints (capability, authority, and coupling<br />
constraints) in a space-time context.<br />
• Three types of constraints:<br />
Capability<br />
constraints<br />
Authority<br />
constraints<br />
Coupling<br />
constraints<br />
Physiological necessities: sleep, eat, etc.<br />
Capabilities: auto ownership, physical disability, etc.<br />
Access restrictions:<br />
restricted areas, open hours of a shopping mall, etc.<br />
Requirement of concurrence in space and time<br />
face-to-face meeting<br />
Shaw & Yu, Third ICT Meeting, Bristol, UK, March 16-19, 2008
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