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Unlocking Public Opinion Poll Data in Canada
May 27, 2009IASSIST 2009
Michelle Edwards, PhD, University of GuelphJane Fry, Carleton University
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ODESIODESI
Ontario Data Documentation, Extraction Service and Infrastructure Initiative
Available to 20 OCUL (Ontario Council of University Libraries) universities since March 2008
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ODESIODESI
• Houses 9394 metadata records from DLI, Canadian Gallup Polls, Canadian Opinion Research Archive (CORA), and ICPSR (April 17, 2009)
• Infrastructure is maintained by Scholars Portal – one of the world’s outstanding collections of scholarly resources
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ODESIODESI
• Files are marked-up based on the Best Practices Document, DDI 2.x
• Data is provided to the community using 2 Nesstar servers housed behind a Load balancer.
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ODESIODESI
• Files are available in Canada’s two official languages: English and French
• If the survey was conducted in both languages
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So what?So what?
Making data available to a broad academic community
NOT NEW!We’re using DDI
NOT NEW!We’re distributing the data with a
Nesstar server
NOT NEW!
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What is new?What is new?
People are taking notice
Institutions are taking notice
Researchers are taking notice
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What is new?What is new?
They ALL want to participate!
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Canadian Public Opinion DataCanadian Public Opinion Data
In the past, very few academic institutions had access:
• Carleton University maintained the Canadian Gallup Poll data
• Wilfrid Laurier University received an endowment from IPSOS-REID (formerly Angus-REID)
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Canadian Public Opinion DataCanadian Public Opinion Data
Each of these institutions were able to access and make data available to their own members
• If you wanted the data and were not a member, you needed to contact
• Each institution was given licensing rights to their respective collections
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Putting it all togetherPutting it all together
• Institutions are willing to share their public opinion poll data
• Infrastructure in place to share the data
• Natural Fit – only enhance ODESI’s collection
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Making Data AccessibleMaking Data Accessible
• DLI data – restricted to DLI institutions
• Public Opinion Poll data – some is restricted and some is open to the world
• Want this service to be open and accessible
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Making Data AccessibleMaking Data Accessible
• Create a new search
• Search is based on Metadata
• Search is open to the world
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ODESI Search InterfaceODESI Search Interface
• Uses the DDI elements
• Uses MarkLogic XML Server
• Customized user interface
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ODESI Search InterfaceODESI Search Interface
• Search for “GST” in variable for ODESI collection
• Search for “Internet”
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ODESI Search InterfaceODESI Search Interface
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ODESI Search InterfaceODESI Search Interface
• Select survey – see matching variables on right
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ODESI Search InterfaceODESI Search Interface
• Select Variable to view frequency in Nesstar
• Select view categories to view frequency in Search
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ODESI Search InterfaceODESI Search Interface
• Searches the DDI elements using MarkLogic
• In front of Nesstar
• Allows unrestricted access and search of Metadata
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Canadian Public Opinion DataCanadian Public Opinion Data
• Canadian Gallup Polls
• Angus-Reid
• Other sources:• Canadian Opinion Research
Archive (CORA)• ICPSR
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Canadian Public Opinion DataCanadian Public Opinion Data
• ODESI Search allows users to search ALL public opinion poll metadata
• What happens with ICPSR – not everyone is a member…
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ODESI & ICPSRODESI & ICPSR
• Search for “public opinion” and “Canada”
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ODESI & ICPSRODESI & ICPSR
• View Survey• No matching variables
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ODESI & ICPSRODESI & ICPSR
• View in ICPSR
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ODESI & Public Opinion Poll DataODESI & Public Opinion Poll Data
• Opened access to Canadian Public Opinion Poll Data
• Increased data awareness and access to our academic community