This　thesis　mainly　focuses　on　the　process　of　upward　aggregation　of　each　layer　in　the　construction　of　O-domain　labeling　system　and　the　rationality　evaluation　system　research　and　system　development　of　several　points　in　the　design　of　basic　forms,　data　intermediate　forms,　data　indicators,　and　data　labeling　sharing　patterns　[1],　specifically　including　metadata　unification,　aggregation　of　each　layer,　data　heat,　dimensional　redundancy,　cross-tenancy,　and　inter-platform　unification.　The　research　ideas　of　this　thesis　are　mainly　developed　from　two　aspects:　metadata　acquisition　and　buried　data　acquisition,　and　data　heat　analysis.　©　The　Author(s),　under　exclusive　license　to　Springer　Nature　Singapore　Pte　Ltd.　2024.