| http://www.w3.org/ns/prov#value | - In some embodiments, at least some such OPTSA database records are retained to allow information about the data entity instance to be available for reports and other related purposes (e.g., for tracking time spent and/or expenses), and if so such database records may be marked to indicate that they are to be retained for such purposes (e.g., with a flag) even though they no longer reflect the curr
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