# UMLS Metathesaurus

许可证声明：受限（LicenseRef-National-Library-of-Medicine-terms）；本站处理：只链接原出处。第二遍复核：derivatives: 第一遍自相矛盾：conditions 已列 no-derivatives，字段却写 unstated。类别 1 和类别 4 分别明示禁止翻译与制作衍生作品、禁止改动内容，类别 3 也把 creating derivative works 列为明确排除项，应改为 no。。

- 能否商用：不明 · 能否改编：否 · 能否再分发：有条件 · Mdexa 提供文件：否
- 许可证状态：有限制 (LicenseRef-National-Library-of-Medicine-terms)
- Mdexa 处理：只链接 — 许可证状态：有限制，按公开规则判定并经第二遍模型复核。仅链接。
- 最近核实：2026-11-13
- 信息卡：https://mdexa.com/zh/datasets/umls/

## 关键事实

- 领域：标准与术语
- 内容类型：术语与编码体系
- 规模：—
- 语言：英文
- 模态：文本
- 发布方：National Library of Medicine
- 年份：—

## UMLS Metathesaurus 是否允许商业使用

- 商业使用：不明（未声明）。
整体结论取各部分中最严的一项；各部分许可不同，见下列。
- 许可状态：有限制。
- 条件：禁止改编
- 许可部分：主体数据 — 有限制 (NOASSERTION)
- 许可部分：UMLS vocabulary sources with additional restrictions (categories 1 to 4) — 有限制 (NOASSERTION)
结论仅记录来源所述，不构成法律意见。

## UMLS Metathesaurus 许可证证据

受限的部分无法分离或边界未说明，取最严

- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "The NLM hereby grants a nonexclusive, non-transferable right to LICENSEE to use the UMLS Metathesaurus and incorporate its content in any computer applications or systems designed to improve access to biomedical information of any type subject to the restrictions in other provisions of this Agreemen" — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "LICENSEE is prohibited from distributing the UMLS Metathesaurus or subsets of it, including individual vocabulary sources within the Metathesaurus, except (a) as an integral part of computer applications developed by LICENSEE for a purpose other than redistribution of vocabulary sources contained in" — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "For material in the UMLS Metathesaurus obtained from some sources additional restrictions on LICENSEE's use may apply." — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "LICENSEE is prohibited from translating the vocabulary source into another language or from producing other derivative works based on this single vocabulary source." — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "LICENSEE is prohibited from using the vocabulary source in operational applications that create records or information containing data from the vocabulary source." — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "LICENSEE's right to use material from the source vocabulary is restricted to internal use at the LICENSEE's site(s) for research, product development, and statistical analysis only." — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "LICENSEE is prohibited from translating the vocabulary source into another language or from altering the vocabulary source content." — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "LICENSEE has the right to distribute the vocabulary source in the U.S., but only in combination with other UMLS Metathesaurus content." — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "LICENSEE is prohibited from using the vocabulary source in operational applications that create records or information containing data from the vocabulary source. Use for data creation research or product development is allowed." — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "Internal research, product development, and statistical analysis use expressly excludes: use of material from these copyrighted sources in routine patient data creation; incorporation of material from these copyrighted sources in any publicly accessible computer-based information system or public el" — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "12.4.2. LICENSEE's right to use the vocabulary source is restricted to use in the U.S. by LICENSEE's employees, contractors, faculty, students, clients, patients, or constituents within electronic systems or devices built, purchased, licensed, or used by LICENSEE for U.S. governmental purposes or fo" — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)
- **使用条款页**：在快照 s01（terms-page）中找到的声明 — "12.4.1. LICENSEE is prohibited from translating the vocabulary source into another language or from altering the vocabulary source content." — https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html (2026-11-13; 亲自打开)

## 来源与血缘

—

## UMLS Metathesaurus 已知问题

—

## 预检

未预检（数据未入库）。

## UMLS Metathesaurus 下载、接口与获取方式

Mdexa 站内不提供文件。原始出处：
- https://www.nlm.nih.gov/research/umls/
- https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html

## UMLS Metathesaurus 引用格式

原始资料没有给出推荐引用文本。

## 机器可读

- JSON: https://mdexa.com/datasets/umls.json
- 2026-11-13 2026-11-13 上架。按公开规则判定，经二次核对后收录。两遍判定不一致，卡上取较严的读法：第二遍复核：derivatives: 第一遍自相矛盾：conditions 已列 no-derivatives，字段却写 unstated。类别 1 和类别 4 分别明示禁止翻译与制作衍生作品、禁止改动内容，类别 3 也把 creating derivative works 列为明确排除项，应改为 no。

## 在本库继续查找

本条目是 109 条已处理并核实的记录之一（数据集、数据资源与开源模型）。查找其他条目：调用 `https://mcp.mdexa.com/v1/datasets?q=<关键词>`，或连接 MCP 服务 `https://mcp.mdexa.com/mcp`；每分钟 20 次以内无需密钥。每行返回不到 1 KB；空结果即"数据库未收录"。核对一份清单：一次批量核对（免费账号）即返回报告。说明：/agents.md。相似条目：ATC/DDD Index (https://mdexa.com/zh/datasets/atc-ddd/)；Human Phenotype Ontology (https://mdexa.com/zh/datasets/hpo/)；ICD-11 (https://mdexa.com/zh/datasets/icd-11/)。