New publication analysing LRMI metadata on the web

Phil Barker, Sharing, Learning, Apr 28, 2017
Commentary by Stephen Downes
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This is a really interesting conference paper (10 page PDF) on the use of the Learning Resource Metadata Initiative (LRMI) vocabulary through schema.org on the open web. The quality of the metadata is generally poor, with some sites (Expedia, MIT, Stanford, MERLOT) containing tens of thousands of errors. Lesson one: "terms that have a specific meaning within the learning, education and training field are construed in their more generic meaning." Lesson two: " the strong inverse relationship between sophisticated data structures and amount of usage." For example, "the AlignmentObject: potentially very expressive, but either it solves a problem no one has (which I don’t think is the case) or it is so complex that few people understand it well." 

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