Article(id=1317089658547319068, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1317089654613070048, articleNumber=null, orderNo=null, doi=10.3981/j.issn.1000-7857.2025.06.00046, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1749571200000, receivedDateStr=2025-06-11, revisedDate=1761408000000, revisedDateStr=2025-10-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1791948244939, onlineDateStr=2026-10-14, pubDate=1789228800000, pubDateStr=2026-09-13, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791948244939, onlineIssueDateStr=2026-10-14, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791948244939, creator=13701087609, updateTime=1791948244939, updator=13701087609, issue=Issue{id=1317089654613070048, tenantId=1146029695717560320, journalId=1146031591421210625, year='2026', volume='44', issue='17', pageStart='1', pageEnd='140', issueExtLink='null', onlineDate='null', pubDate='1789228800000', pubDateStr='2026-09-13', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791948244002, creator='13701087609', updateTime=1791948304422, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1317089908171322237, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1317089654613070048, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1317089908171322238, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1317089654613070048, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=102, endPage=113, ext={EN=ArticleExt(id=1317089658761228573, articleId=1317089658547319068, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Research on river geomorphology knowledge extraction based on large language models, columnId=1150494644690366681, journalTitle=Science & Technology Review, columnName=Papers, runingTitle=null, highlight=null, articleAbstract=
As river geomorphology research increasingly relies on large−scale literature integration and analysis, the challenge of extracting structured knowledge from unstructured texts has become central to advancing digital and semantic approaches in geomorphological science. This study proposes a GPT−based method for automatic knowledge extraction in the field of fluvial geomorphology. A structured Few−shot prompt framework was designed to guide the model in identifying geomorphic entities and their relations, enabling the generation of standardized knowledge triples in the form of <entity1, relation, entity2>. The workflow consists of corpus preparation, prompt engineering, model invocation, and structured output. Applied to 30 high−quality English−language journal articles, the approach extracted a total of 7605 knowledge triples, encompassing 22815 entities and relations. Evaluation results demonstrate that the method achieves high accuracy (Precision=0.834), good recall (Recall=0.789), and stable overall performance (F1=0.862). Nonetheless, limitations remain in the handling of abstract logic, long−range dependencies, and relation directionality. Future improvements may involve domain−specific model fine−tuning, integration of geographic ontologies, and multimodal data fusion. This research provides a practical solution for intelligent knowledge construction in fluvial geomorphology and expands the methodological toolkit at the intersection of geographic information science and artificial intelligence.
, authors=Xiaolu LIU
1, Jiahe WANG
1, 2, Jin WU
1, Xiaoyi MA
1, 2, Shuai QIN
3, Shu WANG
1, 2, 4, *, authorsList=Xiaolu LIU, Jiahe WANG, Jin WU, Xiaoyi MA, Shuai QIN, Shu WANG, authorCompany=null, correspAuthors=Shu WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1317089666453582136, articleId=1317089658547319068, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=基于大语言模型的河流地貌知识抽取, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
随着河流地貌研究日益依赖大规模文献信息的集成与分析,如何从非结构化文本中系统抽取关键术语及其语义关系,已成为推动地貌学数字化、结构化发展的关键技术问题。提出一种基于GPT(generative pre-trained transformer)大语言模型的河流地貌知识抽取方法,设计Few−shot提示结构,引导模型识别文本中的地貌实体与关系,并输出标准化三元组<实体1,关系,实体2>。研究方法包括语料准备、提示结构设计、模型调用与结果输出4个环节,实验基于30篇核心英文文献,累计抽取三元组7605条,涵盖22815个实体与关系元素。评估结果表明,该方法具备较高准确率(Precision为0.834)、良好召回率(Recall为0.789)、整体性能稳定(F1=0.862),适用于术语密集型地学语料的自动化处理。进一步分析表明,模型在处理复杂句式、隐含关系与多义词方面仍存在一定局限,未来可通过模型微调、知识约束与多模态融合进一步优化。本研究为地貌知识的智能建构与语义集成提供了可行路径,也为地理信息科学与人工智能的交叉融合拓展了应用空间。
, authors=刘晓璐
1, 王嘉嚇
1, 2, 吴进
1, 马晓熠
1, 2, 秦帅
3, 王曙
1, 2, 4, *, authorsList=刘晓璐, 王嘉嚇, 吴进, 马晓熠, 秦帅, 王曙, authorCompany=null, correspAuthors=王曙, authorNote=
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, copyrightStatement=
版权所有,未经授权,不得转载。, copyrightOwner=《科技导报》编辑部, extLink=null, articleAbsUrl=null, sourceXml=UXcooIFp9LNKaam7wHXpDQ==, magXml=TWf+ONI1mczW7Bm4BI7MOA==, pdfUrl=null, pdf=NfYl9pua7WNj8HAyiWyslw==, pdfFileSize=2624490, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=Iz4jWpBiAmA1Yj2yH50+iQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=7jAXlNTJWDUUEFpTeTLRIg==, mapNumber=null, fund=null)}, authors=[Author(id=1317089667246305606, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=liuxl.19b@igsnrr.ac.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1317089667363746120, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089667246305606, language=EN, stringName=Xiaolu LIU, firstName=Xiaolu, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1State Key Laboratory of Geographic Information Science and Technology, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1317089667430854985, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089667246305606, language=CN, stringName=刘晓璐, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1中国科学院地理科学与资源研究所地理信息科学与技术全国重点实验室,北京 100101, bio={"content":"
刘晓璐,博士后,研究方向为地学知识图谱,电子信箱:liuxl.19b@igsnrr.ac.cn
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1State Key Laboratory of Geographic Information Science and Technology, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
2University of Chinese Academy of Sciences, Beijing 100049, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1317089667737039183, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089667506352459, language=CN, stringName=王嘉嚇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1中国科学院地理科学与资源研究所地理信息科学与技术全国重点实验室,北京 100101
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2中国科学院大学,北京 100049)])]), Author(id=1317089667829313873, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1317089667900617043, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089667829313873, language=EN, stringName=Jin WU, firstName=Jin, middleName=null, lastName=WU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1State Key Laboratory of Geographic Information Science and Technology, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1317089667963531604, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089667829313873, language=CN, stringName=吴进, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1中国科学院地理科学与资源研究所地理信息科学与技术全国重点实验室,北京 100101, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1317089666839458105, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, xref=1, ext=[AuthorCompanyExt(id=1317089666847846714, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, companyId=1317089666839458105, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1State Key Laboratory of Geographic Information Science and Technology, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China), AuthorCompanyExt(id=1317089666852041019, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, companyId=1317089666839458105, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1中国科学院地理科学与资源研究所地理信息科学与技术全国重点实验室,北京 100101)])]), Author(id=1317089668030640470, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1317089668122915161, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089668030640470, language=EN, stringName=Xiaoyi MA, firstName=Xiaoyi, middleName=null, lastName=MA, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1State Key Laboratory of Geographic Information Science and Technology, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
2University of Chinese Academy of Sciences, Beijing 100049, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1317089668194218330, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089668030640470, language=CN, stringName=马晓熠, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1中国科学院地理科学与资源研究所地理信息科学与技术全国重点实验室,北京 100101
2中国科学院大学,北京 100049, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1317089666839458105, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, xref=1, ext=[AuthorCompanyExt(id=1317089666847846714, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, companyId=1317089666839458105, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1中国科学院地理科学与资源研究所地理信息科学与技术全国重点实验室,北京 100101)]), AuthorCompany(id=1317089666952704316, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, xref=2, ext=[AuthorCompanyExt(id=1317089666969481533, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, companyId=1317089666952704316, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2中国科学院大学,北京 100049)])]), Author(id=1317089668332630364, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1317089668433293662, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089668332630364, language=EN, stringName=Shuai QIN, firstName=Shuai, middleName=null, lastName=QIN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3Hebei South Canal River Affairs Center, Cangzhou 061001, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1317089670069072225, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089668332630364, language=CN, stringName=秦帅, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3河北省南运河河务中心,沧州 061001, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1317089667044979007, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, xref=3, ext=[AuthorCompanyExt(id=1317089667061756224, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, companyId=1317089667044979007, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, 2, 4, *, address=
1State Key Laboratory of Geographic Information Science and Technology, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
2University of Chinese Academy of Sciences, Beijing 100049, China
4Jiangsu Center for Collaborative innovation in Geographical information Resource Development and Application, Nanjing 210023, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1317089670383645032, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, authorId=1317089670140375395, language=CN, stringName=王曙, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 4, *, address=
1中国科学院地理科学与资源研究所地理信息科学与技术全国重点实验室,北京 100101
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4江苏省地理信息资源开发与利用协同创新中心,南京 210023)])], figs=[ArticleFig(id=1317089671520301429, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, language=EN, label=null, caption=null, figureFileSmall=l/fdw0UuefnIv50kwIF/vg==, figureFileBig=Iz4jWpBiAmA1Yj2yH50+iQ==, tableContent=null), ArticleFig(id=1317089671620964726, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, language=CN, label=图1, caption=
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上下文调优输出结果对比, figureFileSmall=RxxSzDKdQW/bwX1SaEkK6w==, figureFileBig=9HPiHeU+R/S7ge6EYR+5Dg==, tableContent=null), ArticleFig(id=1317089672363356543, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, language=EN, label=null, caption=null, figureFileSmall=1suz9Zhx3r2z/lMUsu2J7A==, figureFileBig=qbNA0nnqI4LLBzM0wgievQ==, tableContent=null), ArticleFig(id=1317089672438854016, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, language=CN, label=图6, caption=
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调用GPT的API接口执行知识抽取任务, figureFileSmall=Cra4W/dhnZnCFpRsNcEWqA==, figureFileBig=+e+1DW3FvolYP3pSr5OjFQ==, tableContent=null), ArticleFig(id=1317089674573754759, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, language=EN, label=null, caption=null, figureFileSmall=gIW7FZDll1CJjG5g62mkEg==, figureFileBig=Sh0noWZA9Qw7qWlf/eeJHg==, tableContent=null), ArticleFig(id=1317089674670223752, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, language=CN, label=图10, caption=
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| 词长 | 抽取总数 | 完全正确 | 实体×2正确 | 实体+关系正确 | 实体×1正确 | 关系正确 | 错误 三元组 | 漏抽 三元组 |
|---|
| 70 | 63 | 30 | 1 | 8 | 4 | 1 | 19 | 12 |
| 80 | 49 | 31 | 0 | 8 | 0 | 1 | 9 | 16 |
| 90 | 53 | 24 | 1 | 8 | 2 | 0 | 18 | 14 |
| 100 | 53 | 24 | 1 | 9 | 6 | 1 | 12 | 11 |
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不同文本长度设置下三元组抽取准确性对比(单位:条)
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| 词长 | 抽取总数 | 完全正确 | 实体×2正确 | 实体+关系正确 | 实体×1正确 | 关系正确 | 错误 三元组 | 漏抽 三元组 |
|---|
| 70 | 63 | 30 | 1 | 8 | 4 | 1 | 19 | 12 |
| 80 | 49 | 31 | 0 | 8 | 0 | 1 | 9 | 16 |
| 90 | 53 | 24 | 1 | 8 | 2 | 0 | 18 | 14 |
| 100 | 53 | 24 | 1 | 9 | 6 | 1 | 12 | 11 |
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| 任务类型 | Precision | Recall | F1−Score |
|---|
| 实体识别 | 0.912 | 0.886 | 0.899 |
| 关系抽取 | 0.873 | 0.841 | 0.857 |
| 三元组整体 | 0.834 | 0.789 | 0.862 |
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三元组抽取结果评估
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| 任务类型 | Precision | Recall | F1−Score |
|---|
| 实体识别 | 0.912 | 0.886 | 0.899 |
| 关系抽取 | 0.873 | 0.841 | 0.857 |
| 三元组整体 | 0.834 | 0.789 | 0.862 |
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| 关系类型 | 示例关系词(Top 3) | 说明 |
|---|
| 因果关系 | controls, causes, results in | 表示一个事件或过程是另一个事件或过程的原因,是驱动地理系统演化的核心动力关系 |
| 空间关系 | occurs in, distributed along, located at | 描述地理实体或现象在空间上的位置、包含或组成关系 |
| 演化关系 | initiates, develops into, formed by | 描述一个地理实体或状态随时间转变为另一种实体或状态的序列过程,强调阶段性与结果 |
| 语义关系 | is/are, has/have, includes | 定义概念之间的逻辑或分类学联系,用于构建领域本体的层次结构和属性描述 |
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各类高频关系词统计
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| 关系类型 | 示例关系词(Top 3) | 说明 |
|---|
| 因果关系 | controls, causes, results in | 表示一个事件或过程是另一个事件或过程的原因,是驱动地理系统演化的核心动力关系 |
| 空间关系 | occurs in, distributed along, located at | 描述地理实体或现象在空间上的位置、包含或组成关系 |
| 演化关系 | initiates, develops into, formed by | 描述一个地理实体或状态随时间转变为另一种实体或状态的序列过程,强调阶段性与结果 |
| 语义关系 | is/are, has/have, includes | 定义概念之间的逻辑或分类学联系,用于构建领域本体的层次结构和属性描述 |
), ArticleFig(id=1317089675404226961, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 实体 | 抽取次数/次 |
|---|
| river | 208 |
| river channel | 145 |
| riverbed | 132 |
| floodplain | 128 |
| sediment | 114 |
| bed rock | 98 |
| catchment | 91 |
| tributaries | 84 |
| terrace | 79 |
| alluvial fan | 71 |
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Top10实体词频统计
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| 实体 | 抽取次数/次 |
|---|
| river | 208 |
| river channel | 145 |
| riverbed | 132 |
| floodplain | 128 |
| sediment | 114 |
| bed rock | 98 |
| catchment | 91 |
| tributaries | 84 |
| terrace | 79 |
| alluvial fan | 71 |
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| 错误类型 | 描述 | 示例 | 说明 |
|---|
| 实体边界错误 | 模型截断或扩展实体范围,丢失或包含冗余成分 | 原句:“Sedimentation has occurred in the low uplift rate section.” GPT抽取:<sedimentation, occurs in, low uplift> 真值:<sedimentation, occurs in, low uplift rate section> | 未能完整识别“low uplift rate section”复合名词,遗漏“rate section” |
| 关系方向反转 | 主、宾位置互换或关系词方向误判 | 原句:“The river originates from the Jimayangzong Glacier.” GPT抽取:<Jimayangzong Glacier, originates, river> 真值:<river, originates from, Jimayangzong Glacier> | 对“originates from”句法结构理解不足,将介词“from”后对象误作主语 |
| 关系匹配错误 | 实体正确但关系词不准确或缺失重要介词 | 原句:“Because of the influence of the mountain location, the river changed course.” GPT抽取:<river, is at, mountain location> 真值:<river course, changed, due to mountain location influence> | 对“changed due to”因果表达解析不全,选用了不相关的关系词“is at” |
| 其他 | 偶发格式或解析异常,三元组缺失或无法解析 | 示例:因输入文本格式或噪声,GPT返回空或非三元组结构 | 文本预处理或Prompt设计未能覆盖所有异常输入,需增强格式校验机制 |
), ArticleFig(id=1317089675823657364, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1317089658547319068, language=CN, label=表5, caption=
错误三元组类型
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| 错误类型 | 描述 | 示例 | 说明 |
|---|
| 实体边界错误 | 模型截断或扩展实体范围,丢失或包含冗余成分 | 原句:“Sedimentation has occurred in the low uplift rate section.” GPT抽取:<sedimentation, occurs in, low uplift> 真值:<sedimentation, occurs in, low uplift rate section> | 未能完整识别“low uplift rate section”复合名词,遗漏“rate section” |
| 关系方向反转 | 主、宾位置互换或关系词方向误判 | 原句:“The river originates from the Jimayangzong Glacier.” GPT抽取:<Jimayangzong Glacier, originates, river> 真值:<river, originates from, Jimayangzong Glacier> | 对“originates from”句法结构理解不足,将介词“from”后对象误作主语 |
| 关系匹配错误 | 实体正确但关系词不准确或缺失重要介词 | 原句:“Because of the influence of the mountain location, the river changed course.” GPT抽取:<river, is at, mountain location> 真值:<river course, changed, due to mountain location influence> | 对“changed due to”因果表达解析不全,选用了不相关的关系词“is at” |
| 其他 | 偶发格式或解析异常,三元组缺失或无法解析 | 示例:因输入文本格式或噪声,GPT返回空或非三元组结构 | 文本预处理或Prompt设计未能覆盖所有异常输入,需增强格式校验机制 |
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