PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • it is mentioned on the page you linked in your question. the issue typically arises from changing data that is serialized. it invalidates all of the data in the field because the length of the string changes. this has the effect you describe if for example your widget or theme options contain the url of an image. the search and replace script you linked is supposed to prevent this by changing the s
http://www.w3.org/ns/prov#wasQuotedFrom
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