Semantic enrichment of VGI using Linked_Data_Stanislav_Ronzhin_defence
Utilizing VGI & Mobile GIS to Geotag Native Plants in ...€¦ · 2014 Esri Southeast User...
Transcript of Utilizing VGI & Mobile GIS to Geotag Native Plants in ...€¦ · 2014 Esri Southeast User...
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Utilizing VGI & Mobile GIS to Geotag Native Plants in Southern California Michael Wahl, MS GIST University of Southern California Research Corp for the University of Hawaii
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• iPhone application • Volunteered Geographic Information • Native Plants • Indigenous Culture
- Languages - Traditional Uses of Native Plants
• Southern California • Open to all people with access to the technology
What is Mapping Native Plants?
Source: www.mojavehistory.com
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• What is it? • Credibility • Local knowledge vs. expert knowledge • Motivation • Consequences
Volunteered Geographic Information (VGI)
Source: Google Earth
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• Plant geography • Climate change studies • Medicine • Sustainability • Development
Native Plant Studies
Source: www.phys.org/news188591033.html
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• Chumash and Cahuilla • Cultural Revitalization • Diabetes • Native plants are vital
Southern California Tribes
Source: Center for Disease Control
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• Calflora, What’s Invasive?, Audubon Wild Flowers California, Leafsnap
• Mapping Native Plants app is different
Similar Smart Phone Apps
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• Enterprise Geodatabase • ArcGIS for Server 10.1 • Become an Apple Developer • ArcGIS SDK for iOS • Xcode • Learn how to develop an app!
Needs for Development
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• Enterprise GDB - Database User - Domains - Versioning
• Native Plants Feature Class - Attributes - Attachments
• REST services/ArcGIS Online - Published Feature Service - Shared Web Map
Database Structure and Data
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Entity Relationship Diagram
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Visualizing the User Interface
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• Xcode • Objective C • Find native plant data • ArcGIS Runtime SDK for iOS
App Development
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Native Plant List
App Development
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Map Tab
App Development
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About Tab
App Development
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Workflow Diagram
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• Performance testing in the field • Laboratory testing with Xcode Instruments • Usability testing by users
Evaluating the app
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• Testing in the field • Test all functions • Different scenarios
Testing: Performance
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Performance Results
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• Xcode Instruments - Memory Leaks - Energy Diagnostics - Allocations - Time Profiler
Testing: Laboratory
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Lab Results: Memory Leaks
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Lab Results: Energy Diagnostics
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Lab Results: Allocations
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Lab Results: Time Profiler
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• Five archaeologists • Used all functions • Questionnaire
Testing: Usability
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Usability Results
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• Cultural • Technical • Strategies
Challenges
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 – Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 2)
The connection property set was missing a required property or the property value was unrecognized. Bad login user
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• Cultural Connection • Communication and Connectivity • Bridge the gap between amateur and professional • Empowers people with knowledge of their environment • Open GIS to more people
Advances Brought by the Mapping Native Plants App
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Expand to more areas, more cultures, more languages, more native plants
Element of time User logins
Top contributors Geographic threshold
Red flag system for endangered species and toxic plants Sound byte to listen to pronunciation
Define the rating system better User feedback, app rating
More pronounced disclaimer Expand to Android and Windows Phone!
ArcGIS MarketPlace for Apps
Future for the Mapping Native Plants App
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• Focused on the user needs • Information exchange • Helping the environment and the people who live in it • Interactive learning environment • Expanding the reach of GIS • Empowering the public with info to make decisions • Veer away from unethical crowd sourcing • Better ways to interpret VGI
Future Trends for Mobile GIS and VGI
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• Engage the public • Enhance communication • Promote Indigenous cultures • Share local knowledge • Provide data for future studies • Mobile GIS and VGI outreach capabilities
Final Thoughts
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Ahchama – Thank You
Michael Wahl [email protected] http://spatial.usc.edu/wp-content/uploads/2014/04/ WahlMichael6924MastersThesis.pdf