a systems perspective on volunteered geographic information · c. rinner and v. fast (2013) a...
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Ryerson UniversityDigital Commons @ Ryerson
Geography Publications and Research Geography
1-1-2013
A Systems Perspective on Volunteered GeographicInformationClaus RinnerRyerson University, [email protected]
Victoria FastRyerson University
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Recommended CitationC. Rinner and V. Fast (2013) A Systems Perspective on Volunteered Geographic Information. Abstract and presentation (by V.F.) atthe Annual Meeting of the Association of American Geographers (AAG), Los Angeles, USA, 9-13 April 2013
Victoria FastVictoria Fast PhD candidate, PhD candidate, Env.SciEnv.Sci.& Mgmt. .& Mgmt. [email protected]@ryerson.ca
A Systems Perspective on A Systems Perspective on Volunteered Geographic InformationVolunteered Geographic Information
AAG AAG Los AngelesLos Angeles10 April 2013 10 April 2013
Claus RinnerClaus RinnerAssociate ProfessorAssociate [email protected]@ryerson.ca
Department of GeographyDepartment of GeographyRyerson UniversityRyerson University Toronto, OntarioToronto, Ontario
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OUTLINEOUTLINE
VGIGI
GISVGIS
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VGIVGI
Goodchild
(2007) coined VGI based on the
growing phenomenon of user generated geographic content that is contributed by citizens/the public using the geoweb.
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THE DIVERSITY OF VGITHE DIVERSITY OF VGI
Used in a wide range of domains:Used in a wide range of domains:
Social & environmental researchSocial & environmental research
Urban planningUrban planning
Emergency response managementEmergency response management
Reference map developmentReference map development
Evolving definitions and types:Evolving definitions and types:
Facilitated VGI Facilitated VGI (Cinnamon and (Cinnamon and SchuurmanSchuurman, 2012; , 2012; SeegerSeeger, 2008), 2008)
Harvested or ambient VGI Harvested or ambient VGI ((StefanidisStefanidis, Crooks and , Crooks and RadzikoqskiRadzikoqski, 2011), 2011)
Involuntary GI or, Involuntary GI or, iVGIiVGI
(Fischer, 2012)(Fischer, 2012)
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GEOGRAPHIC INFORMATION GEOGRAPHIC INFORMATION
Geographic Geographic informationinformation
is information with is information with a location component.a location component.
Different Different than than
geographic geographic data.data.
Geographic
Data
Geographic
Info
Vineyard sub block
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DATA & GEOGRAPHIC DATA & GEOGRAPHIC INFORMATIONINFORMATION
The data we use in a geographic information The data we use in a geographic information
system are not considered geographic information.system are not considered geographic information.
Survey data for base mapSurvey data for base map
Field data collectionField data collection
Census results Census results
The data are then inputted, managed, analyzed, The data are then inputted, managed, analyzed,
and presented using GIS to convert them into and presented using GIS to convert them into usable information.usable information.
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DATA & GEOGRAPHIC DATA & GEOGRAPHIC INFORMATIONINFORMATION
Source: Tomlinson (2003)
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GISYSTEMSGISYSTEMS
Geographic information, then, is the output Geographic information, then, is the output of a system.of a system.
FUNCTIONS:FUNCTIONS:
IInputnput
MManagementanagement
AAnalysisnalysis
PPresentationresentation
COMPONENTS:COMPONENTS:
HHardwareardware
SSoftwareoftware
DDataata
AApplicationspplicationsSource: Bill & Fritsch (1994)
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APPLYING GIS TO VGIAPPLYING GIS TO VGI
In many reports, the term In many reports, the term ““VGIVGI””
is used to is used to characterize what we consider data.characterize what we consider data.
Location of incidentsLocation of incidents
Observations of speciesObservations of species
Photos and commentsPhotos and comments
However, this does not take into account However, this does not take into account the the systemsystem
used to collect and process used to collect and process
these data in order to create VGI.these data in order to create VGI.
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VGIVGI--SYSTEMSSYSTEMS
Volunteered geographic information systems
(VGI‐S) employ hardware, software, data and application components (HSDA), and input,
management, analysis and presentation (IMAP) functions, to transform web‐based user‐
generated geographic data into information.
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VGIVGI--SYSTEMSSYSTEMS
Parts of a volunteered geographic information system
Data System Information
VGD
Components Functions
VGIApplication Input
Hardware Management
Software Analysis
Data Presentation
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NEXT STEPSNEXT STEPS
Use the systems approach to:Use the systems approach to:
1. Evaluate other VGI systems1. Evaluate other VGI systems
2. Implement a smart growth management 2. Implement a smart growth management geowebgeoweb
tooltool
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The GREATER TORONTO REGION
Planning Geoweb is a collaborative, online
environment for illustrating, discussing & sharing regional-
scale planning information.
Toronto
NiagaraHamilton
Oshawa