revise the interpretation of production dates which have only an "Earliest Date" #143
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There is an issue with the production date fields as stored in Solr; they are assumed (sometimes incorrectly) to be date ranges which, if the end date is not specified, is understdood to mean a period which remains ongoing.
For instance, this object http://data.nma.gov.au/object/139881#
(a postcard) has a Creation Activity that begins on 1937-02-06 and is still in progress today, i.e. the stored
temporal_date
value is[1937-02-06 TO *]
which is wrong.In some cases we have long-lasting events, but my feeling is that for production events, we should assume that unless the EMu record includes both an earliest and a latest date, that any "earliest date" given should be interpreted as the single point in time of the creation (i.e. that the creation is treated as instantaneous, rather than taking place within some period of time).
Thoughts?
The EMu source data is here:
root@nma-dev:/mnt/emu_data/full# xmllint --xpath "/*/*[irn='139881']" 2018-12-05_19-30_objects_86311_FULL.xml
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