Fewer Web resources than CHOs in ONB Abo

[edroege]

The total amount of edm:WebResource in ONB abo is 39717 whereas the amount of edm:Provided CHO is 44425 (ingestion 20140306154239247). This is strange because every CHO should a least have one Web resource.

[d0rg0ld]

We provide metadata about 39717 books of which some are part of multivolume works. Therefore there is one ProvidedCHO for each physical book and one WebResource pointing to the respective digitized item. ProvidedCHOs that represent volumes of a multivolume work point to an upper level ProvidedCHO representing that multivolume title. Lacking a digitised representation for these upper level objects, each of them points to the first volume's WebResource (We already discussed this a while ago and this is a good point for tomorrows discussion with Valentine).