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Data Identification. Open Data Around the World. Before. What data do you have? Have to ask for data through a FIOA request Wasn't always in a digital format Very long time to get and make use of. Why Should I care?. Health (hospital scores, diet/food) Economics (unemployment, CPI)
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Before What data do you have? Have to ask for data through a FIOA request Wasn't always in a digital format Very long time to get and make use of
Why Should I care? Health (hospital scores, diet/food) Economics (unemployment, CPI) Crime (rates, geo/temporal) Environment (air quality, weather) Education (rates, school districts) So much more....
Challenges Machine-readability Metadata Provenance Discovery Mashing/linking
Linked Data decentralized - sources may be spread out and referenced across the Web modular - linked without advance planning or coordination scalable - once stored in place, it’s easy to extend advantages hold even when definitions and structure of the data changes over time.
Enhancement: Linking Open Government Data PHSY_ST: state abbreviation ID: unique id cost: unit is million US dollars year: 1975-2008 Metadata (field definition) Metadata (value definition) Correlated dataset Complement dataset DS123:NY owl:sameAs