Subject
Element
jpcoar:subject
Usage:
MA (Mandatory when applicable)
Occurrence:
0-N (Repeatable: expect mandatory term)
Attribute
subjectScheme
Usage:
M (Mandatory)
Occurrence:
1 (Non-repeatable: mandatory term)
Controlled Vocabularies
-
BSH-Basic Subject Headings
-
DDC-Dewey Decimal Classification
-
e-Rad_field-Research field (main) in The Cross-Ministerial R&D Management System (e-Rad)
-
JEL-JEL (Journal of Economic Literature) Classification Codes
-
LCC-Library of Congress Classification
-
LCSH-Library of Congress Subject Headings
-
MeSH-Medical Subject Headings
-
NDC-Nippon Decimal Classification
-
NDLC-National Diet Library Classification
-
NDLSH-National Diet Library Subject Headings
-
SciVal-Elsevier SciVal Subject Classification
-
UDC-Universal Decimal Classification
-
Other-
subjectURI
Usage:
MA (Mandatory when applicable)
Occurrence:
0-1 (Non-repeatable: except mandatory term)
xml:lang
Usage:
MA (Mandatory when applicable)
Occurrence:
0-1 (Non-repeatable: except mandatory term)
Usage Instructions
- Enter the subjects, author keywords or classifications describing the resource. For classifications, enter the codes only.
- For 'subjectScheme', use the controlled vocabularies.
- For 'subjectURI', enter the ID value in a HTTP URI format. If there is no URI, do not specify 'subjectURI' (e.g. https://id.ndl.go.jp/auth/ndlsh/00575529).
Notes
- Do not enter the term name for classifications.
- For author keywords, specify 'Other' in 'subjectScheme'.
- There is no limit for the occurrence of each language code in 'jpcoar:subject' and it can be entered repeatedly.
- Research field (main) in The Cross-Ministerial R&D Management System (e-Rad) : https://www.e-rad.go.jp/datasets/files/bunya_bunya.csv
Recommended Examples
- Example of author keywords
<jpcoar:subject xml:lang="ja" subjectScheme="Other">情報化社会</jpcoar:subject>
- Examples of entry in Katakana Yomi
<jpcoar:subject xml:lang="ja-Kana" subjectScheme="Other">ジョウホウカ シャカイ</jpcoar:subject>
- Example of classification codes
<jpcoar:subject subjectScheme="NDC">007</jpcoar:subject>
- Example of subject names
<jpcoar:subject xml:lang="ja"
subjectScheme="NDLSH" subjectURI="https://id.ndl.go.jp/auth/ndlsh/01009109">
社会情報学
</jpcoar:subject>
- Examples of research data in the field of 'humanities and social sciences'
<jpcoar:subject xml:lang="ja" subjectScheme="e-Rad_field">人文・社会</jpcoar:subject>
<jpcoar:subject xml:lang="en" subjectScheme="e-Rad_field">Humanities & Social Sciences</jpcoar:subject>
- Examples of research data in the field of 'natural sciences in general'
<jpcoar:subject xml:lang="ja" subjectScheme="e-Rad_field">自然科学一般</jpcoar:subject>
<jpcoar:subject xml:lang="en" subjectScheme="e-Rad_field">Natural Science</jpcoar:subject>
junii2 mapping
- BSH
- DDC
- LCC
- LCSH
- MeSH
- NDC
- NDLC
- NDLSH
- UDC
- NIIsubject
- subject