(Q99566281)
Statements
if possible, add qualifiers to values: start date or end date. These properties usually have a "single best value constraint". (English)
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如果可能，为值添加修饰符：开始日期或结束日期。 这些属性通常具有“单一最佳值约束” (Chinese)
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the scheme of this property occasionally replaces identifiers with new values, e.g. identifier "zza" for entity "A" is replaced by "zzb", without "zza" later being used by another entity
No description defined