{
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    "relation": "topic-surface-only",
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  "dek": "中新网北京9月10日电 (记者 孙自法)国际科研出版机构施普林格·自然9月10日向媒体通报说，其最新发布的白皮书显示，以金色开放获取(Gold OA)模式发表研究成果，较其他出版模式，论文下载量高出7倍、引用量高出50%，助力提升研究成果的可见度与影响力。",
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      "title": "白皮书：以金色开放获取模式发表研究成果助力提升可见度与影响力",
      "url": "https://www.chinanews.com.cn/gn/2026/09-10/10694124.shtml",
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  "lead": false,
  "lead_reason": "Current single-source metadata is retained but not promoted as a lead.",
  "limitations": [
    "Palimpsest retained only feed title, canonical link, time, and a bounded plain-text excerpt; it did not fetch the article body.",
    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
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  "mutation": {
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