Unverified50% confidenceOpinionExact time
语义元数据必须由人类业务知识显式注入，这使其标准化难度远高于物理层
1
Sources
50%
Confidence
Long-term
Relevance
7/19/2026
First Seen
Sources
Apache Ossie：打破语义孤岛的开放元数据交换标准
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