WHAT IS OPEN DATA?Is an API Open Data? • Wikipedia: “An application programming interface (API) is a particular set of rules (code) and specifications that software programs can follow to communicate with each other. It serves as an interface between different software programs”
★★★ MACHINE READABLE WITHOUT PROPRIETARY FORMAT"Temperature forecast for Galway, Ireland","Day","Lowest Temperature (C)""Saturday, 13 November 2010",2"Sunday, 14 November 2010",4"Monday, 15 November 2010",7 Source: http://lab.linkeddata.deri.ie/2010/star-scheme-by-example/
SO...API and web service are max ★★★ open data according toTim Berners-Lee..But ..limited access to data itselfUhh..does it matter..?
Ornamentals Plant Composition Research Area Carex flacca Bougainvillea studyObject Aconitum France hasResearchArea Iceland Bunte, F Plants The Netherlands Kabata-Pendias, A. growsIn Italy China Author Country Book187625 writtenBy worksFor Book187626 Utrecht University Publication Philips Wageningen UR Organisation hasTitle“Reduced VAT rates for flowers and plants : situation 2010"“Trace elements in soils and plants” Linked Data (triples) Title
DATA WEB ARCHITECTUREData storage via XML (RDF) network data structureEvery element has unique ID (URI)HTTP transport protocol -> linkable URLs1. http://library.wur.nl/publications/Book1876252. http://library.wur.nl/writtenBy3. http://library.wur.nl/authors/BunteF