OpenSearch in CiNii Research

Table of Contents

 

Query Specification

OpenSearch query v1 and v2 in CiNii Research are in the following format.
v1 : https://cir.nii.ac.jp/opensearch/(search type)?(parameter=value)& (parameter=value)&…&(parameter=value)
v2 : https://cir.nii.ac.jp/opensearch/v2/(search type)?(parameter=value)& (parameter=value)&…&(parameter=value)

Query example(v1): https://cir.nii.ac.jp/opensearch/all?q=abc&title=de&count=200&sortorder=0&format=rss

The search type and each parameter that comprises the query are as follows.

 

OpenSearch v1 Query Specification

Item Name Parameter All Data Articles Books Dissertations Projects Availability of Boolean equation Conditions for Multiple Entries (space or "," if specified in the notes) Notes
Search type - all data articles books dissertations projects
Application ID appid ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Required
Response Format format ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Specify the output format.
Select from the following 4 types of strings:
html(default)
rss
atom
json
Search Result Language lang ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Specify the description language for output format
ja(default)
en
Sort Order for Output sortorder ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable 0:Publication year, Degree award year, Research start year:Newest
1:Publication year, Degree award year, Research start year:Oldest
4:Relevance(default)
10:Number of citations: Descending order (articles only)
Number of Items per Page count ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Default=20, natural numbers from 1 to 200
20 if it is not a natural number or less than 0
200 If it is “above 201 If format = html”, convert the number of items displayed per page,The number of items displayed per page is rounded up to 20, 50, 100,and 200.
201 and above is 200
Start Number of the Search Result List start ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Natural number
Other than that,
Default=1
If it is “format = html”, convert to the number of screen pages
start / (number of items per page)
If there is excess, + 1
Maximum value is 10000
Free Word q ◯ ◯ ◯ ◯ ◯ ◯ ◯ AND
Researcher Name creator ◯ ◯ ◯ ◯ ◯ ◯ ◯ AND
Start Year from ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable YYYY
YYYYMM
End Year until ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable YYYY
YYYYMM
Project Year(from) projectYearFrom ◯ - - - - ◯ × Unavailable
Project Year(until) projectYearUntil ◯ - - - - ◯ × Unavailable
Product Year(from) productYearFrom ◯ ◯ ◯ ◯ ◯ - × Unavailable
Product Year(until) productYearUntil ◯ ◯ ◯ ◯ ◯ - × Unavailable
Format for Providing Actual Data datasetFormat - ◯ - - - - ◯ OR
With Full Text hasLinkToFullText ◯ ◯ ◯ ◯ ◯ - × Unavailable Search by specifying “true” or “false”. Specify “true” if you wish to search for articles with full text.
Title
Rroject Title		 title ◯ ◯ ◯ ◯ ◯ ◯ ◯ AND
Exact Title Match isFullTitle - - - ◯ - - × Unavailable Search by specifying “true” or “false”. Specify “true” if you wish to perform an exact title match search.
Author ID researcherId ◯ - ◯ ◯ - ◯ × OR
Affiliation affiliation ◯ ◯ ◯ ◯ - ◯ ◯ AND
Publication Title publicationTitle - ◯ ◯ - - - ◯ AND
ISSN issn ◯ ◯ ◯ ◯ - - × OR
Volume volume - ◯ ◯ - - - × Unavailable
No. number - ◯ ◯ - - - × Unavailable
Pages pages - ◯ ◯ - - - × Unavailable If you enter "pages=x-y", it will search for "start page = x" OR "end page = y".
If you enter "pages=ZZZ", it will search for pages whose start or end page is ZZZ.
ISBN isbn - - - ◯ - - × OR
NCID ncid - - - ◯ - - × OR
Classification category - - - ◯ - - × OR
Notes / Abstract description - - - ◯ ◯ - ◯ AND
Degree-Granting University awardInstitution - - - - ◯ - ◯ AND
Degree Title degree - - - - ◯ - ◯ AND
Degree Award Year awardYear - - - - ◯ - × Unavailable YYYY
YYYYMM
Publisher publisher - ◯ ◯ ◯ - - ◯ AND
Project / Area Number projectId - - - - - ◯ × OR
DOI doi ◯ ◯ ◯ - ◯ - × OR
Data Source Type dataSourceType ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable The following character strings:
Separate multiple items with ",".
JALC(Japan Link Center)
IRDB
CROSSREF(Crossref)
DATACITE(DataCite)
NDL_SEARCH
NDL_DC
RUDA(Rikkyo University Data Archive)
JDCAT
NINJAL(National Institute for Japanese Language and Linguistics)
DBPEDIA(DBpedia)
CIA(CiNii Articles)
CIB(CiNii Books)
NACSIS_CAT(NACSIS-CAT/ILL)
KAKEN(KAKEN)
INTEGBIO(Integbio)
PUBMED(PubMed)
LSDB_ARCHIVE(LSDB Archive)
NIPR_ADS
NIPR_SCIENCE_DB
OPENAIRE(OpenAIRE)
PUBLIC_DATA
Language Type languageType ◯ ◯ ◯ ◯ ◯ ◯ × OR Specify with ISO-639-1
Separate multiple items with ","
E.g.) When searching in Japanese, English, or Chinese
languageType=ja,en,zh
Resource Type resourceType - ◯ ◯ ◯ - - × OR The following character strings:
Separate multiple items with ","
conference pape
data paper
departmental bulletin paper
editorial
journal article
newspaper
periodical
review article
software paper
article
journal_article
book
Audiovisua
Collection
Dataset
Event
Image
InteractiveResource
Model
PhysicalObject
Service
Software
Sound
Text
Workflow
Other
journal
Research and Development ProgramType rdProgramType ◯ ◯ - - - ◯ × OR The following character strings:
Separate multiple items with ","
MOONSHOT(Moonshot Research and Development Program)
 

OpenSearch v2 Query Specification

Item Name Parameter All Projects & Products Data Articles Books Dissertations Projects Researchers Availability of Boolean equation Conditions for Multiple Entries (space or "," if specified in the notes) Notes
Search type - all projectsAndProducts data articles books dissertations projects researchers
Application ID appid ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Required
Response Format format ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Specify the output format.
Select from the following 4 types of strings:
html(default)
rss
atom
json
Search Result Language lang ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Specify the description language for output format
ja(default)
en
Sort Order for Output sortorder ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable 0:Publication year, Degree award year, Research start year:Newest
1:Publication year, Degree award year, Research start year:Oldest(All search, invalid for Researchers search
4:Relevance(default)
5:Researcher name:Alphabetical order(Researchers only)
6:Researcher name:Reverse alphabetical order(Researchers only)
10:Number of citations: Descending order(articles only)
20:Number of related projects: Descending order(Researchers only)
21:Number of related projects: Ascending order(Researchers only)
30:Number of related products: Descending order(Researchers only)
31:Number of related products: Ascending order(Researchers only)
40:CRID Ascending order(All search only)
Number of Items per Page count ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Default=20, natural numbers from 1 to 200
20 if it is not a natural number or less than 0
200 If it is “above 201 If format = html”, convert the number of items displayed per page,The number of items displayed per page is rounded up to 20, 50, 100,and 200.
201 and above is 200
Start Number of the Search Result List start ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable Natural number
Other than that,
Default=1
If it is “format = html”, convert to the number of screen pages
start / (number of items per page)
If there is excess, + 1
Maximum value is 10000
Free Word q ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ AND
Researcher Name creator ◯ - - - - - - - - AND
Name name - - - - - - - ◯ ◯ AND
Start Year from ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable YYYY
YYYYMM
End Year until ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable YYYY
YYYYMM
Project Year(from) projectYearFrom ◯ ◯ - - - - ◯ ◯ × Unavailable
Project Year(until) projectYearUntil ◯ ◯ - - - - ◯ ◯ × Unavailable
Product Year(from) productYearFrom ◯ ◯ ◯ ◯ ◯ ◯ - ◯ × Unavailable
Product Year(until) productYearUntil ◯ ◯ ◯ ◯ ◯ ◯ - ◯ × Unavailable
Format for Providing Actual Data datasetFormat - - ◯ - - - - - ◯ OR
With Full Text hasLinkToFullText ◯ ◯ ◯ ◯ ◯ ◯ - - × Unavailable Search by specifying “true” or “false”. Specify “true” if you wish to search for articles with full text.
Title
Rroject Title		 title ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ AND
Exact Title Match isFullTitle - - - - ◯ - - - × Unavailable Search by specifying “true” or “false”. Specify “true” if you wish to perform an exact title match search.
Author ID researcherId ◯ ◯ - ◯ ◯ - ◯ ◯ × OR
Affiliation affiliation ◯ ◯ ◯ ◯ ◯ - ◯ ◯ ◯ AND
Publication Title publicationTitle - - ◯ ◯ - - - - ◯ AND
ISSN issn ◯ ◯ ◯ ◯ ◯ - - - × OR
Volume volume - - ◯ ◯ - - - - × Unavailable
No. number - - ◯ ◯ - - - - × Unavailable
Pages pages - - ◯ ◯ - - - - × Unavailable If you enter "pages=x-y", it will search for "start page = x" OR "end page = y".
If you enter "pages=ZZZ", it will search for pages whose start or end page is ZZZ.
ISBN isbn - - - - ◯ - - ◯ × OR
NCID ncid - - - - ◯ - - - × OR
Classification category - - - - ◯ - - - × OR
Notes / Abstract description - - - - ◯ ◯ - - ◯ AND
Degree-Granting University awardInstitution - - - - - ◯ - ◯ ◯ AND
Degree Title degree - - - - - ◯ - ◯ ◯ AND
Degree Award Year awardYear - - - - - ◯ - ◯ × Unavailable YYYY
YYYYMM
Publisher publisher - - ◯ ◯ ◯ - - - ◯ AND
Project / Area Number projectId - - - - - - ◯ ◯ × OR
DOI doi ◯ ◯ ◯ ◯ - ◯ - ◯ × OR
Data Source Type dataSourceType ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ × Unavailable The following character strings:
Separate multiple items with ",".
JALC(Japan Link Center)
IRDB
CROSSREF(Crossref)
DATACITE(DataCite)
NDL_SEARCH
NDL_DC
RUDA(Rikkyo University Data Archive)
JDCAT
NINJAL(National Institute for Japanese Language and Linguistics)
DBPEDIA(DBpedia)
CIA(CiNii Articles)
CIB(CiNii Books)
NACSIS_CAT(NACSIS-CAT/ILL)
KAKEN(KAKEN)
INTEGBIO(Integbio)
PUBMED(PubMed)
LSDB_ARCHIVE(LSDB Archive)
NIPR_ADS
NIPR_SCIENCE_DB
OPENAIRE(OpenAIRE)
PUBLIC_DATA
Language Type languageType ◯ ◯ ◯ ◯ ◯ ◯ ◯ - × OR Specify with ISO-639-1
Separate multiple items with ","
E.g.) When searching in Japanese, English, or Chinese
languageType=ja,en,zh
Resource Type resourceType - - ◯ ◯ ◯ - - - × OR The following character strings:
Separate multiple items with ","
conference pape
data paper
departmental bulletin paper
editorial
journal article
newspaper
periodical
review article
software paper
article
journal_article
book
Audiovisua
Collection
Dataset
Event
Image
InteractiveResource
Model
PhysicalObject
Service
Software
Sound
Text
Workflow
Other
journal
Research and Development ProgramType rdProgramType ◯ ◯ ◯ - - - ◯ ◯ × OR The following character strings:
Separate multiple items with ","
MOONSHOT(Moonshot Research and Development Program)
Institution institution - - - - - - - ◯ × OR Separate multiple items with ","
Department department - - - - - - - ◯ × OR Separate multiple items with ","
JobTitle jobTitle - - - - - - - ◯ × OR Separate multiple items with ","
Number of Research Products numberOfResearchProducts - - - - - - - ◯ × OR The following character strings:
Separate multiple items with ","
lt10(< 10)
gte10lt50(10 ~ 50)
gte50lt100(50 ~ 100)
gte100lt200(100 ~ 200)
gte200lt500(200 ~ 500)
gte500(> 500)
Number of Research Projects numberOfResearchProjects - - - - - - - ◯ × OR The following character strings:
Separate multiple items with ","
lt10(< 10)
gte10lt30(10 ~ 30)
gte30lt50(30 ~ 50)
gte50lt100(50 ~ 100)
gte100(> 100)
Keyword keyword - - - - - - - ◯ × OR Separate multiple items with ","
 

Response Specifications

You can select the response format from RSS, Atom, JSON-LD and HTML in the query.

You can use cross-domain asynchronous communication by specifying "Access-Control-Allow-Origin:*" in the http header of the response.

 

RSS1.0 Response Format Specification

No. Tag Name Requirement Contents Notes
First level Second level Third level Fourth level Fifth level Attribute
1 xml Required Declares that it is an XML document
2 rdf:RDF Required Root element of the document For xml:lang attribute describes the language to be returned. Describe the following character strings for attributes other than xml: lan
3
4 xmlns xmlns="http://purl.org/rss/1.0/"
5 xmlns:rdf xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
6 xmlns:rdfs xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
7 xmlns:dc xmlns:dc="http://purl.org/dc/elements/1.1/"
8 xmlns:prism xmlns:prism="http://prismstandard.org/namespaces/basic/2.0/"
9 xmlns:ndl xmlns:ndl="http://ndl.go.jp/dcndl/terms"
10 xmlns:opensearch xmlns:opensearch="http://a9.com/-/spec/opensearch/1.1/"
11 xmlns:cir xmlns:cir="https://cir.nii.ac.jp/schema/1.0/"
12 xml:lang xml:lang=”ja”>
13 channel rdf:about Required Requested URI The URI of this search request. URL-encode the query and output it in the "variable name = value" format. Link it with "& amp;". appid will b removed from the parameter.
14 itle Required Title "CiNii Research" and search type linked with query and "200 0 rss".
E.g. <title>CiNii Research all - Taro Kokujo 200 0 rss</title>
15 description Required Title Same as the title
16 link Required Required URI The URI of this search request. URL-encode the query and output it in the "variable name = value" format. Link it with "& amp;". appid is removed from the parameter.
17 dc:date Required Date and time the search was performed W3CDTF notation
18 opensearch:totalResults Required Total number of search results
19 opensearch:startIndex Required Start number Display which data in the search results is described from.
20 opensearch:itemsPerPage Required Number of results Display how many search results are included in the response.
21 items Required
22 rdf:Seq Required
23 rdf:li rdf:resource Required Detail page URI List the permalinks to search results in the response. Repeat for up to the number of opensearch:itemsPerPage.
24 item rdf:about Required Detailed information (Detail page URI) Repeat up to the number of opensearch:itemsPerPage. Describe the permalink in rdf:about.
25 title Required Author name
Title
26 link Required Detail page URI Display permalink of the detail page
https://cir.nii.ac.jp/crid/1234567890123
27 rdfs:seeAlso rdf:resource RDF URI Display RDF URI (except for appid parameter)
<rdfs:seeAlso rdf:resource="https://cir.nii.ac.jp/crid/1234567890123.rdf" />
28 dc:creator Required Author name
29 dc:publisher Publisher
For dissertations, the name of the degree-granting university.
30 dc:type Required Data type
31 prism:publicationName Publication name
32 prism:issn ISSN
33 prism:volume Volume
34 prism:number Number
35 prism:startingPage Start page
36 prism:endingPage End page
37 prism:pageRange Page
38 prism:publicationDate Publication date W3CDTF notation
39 description Abstract
40 abstractLicenseFlag Abstract License Flag Set allow / disallow as value if value exists.
41 dc:identifier Identifier
42 rdf:datatype Identifier type
43 (value) Code value of the identifier
44 dc:subject Keyword
45 ndl:degreeName Required if any Degree title
46 ndl:dissertationNumber Required if any Degree award number
47 dc:date Required if available Degree award date
48 dc:source Required if any Description related to the text link E.g.
<dc:source rdf:resource="https://dl.ndl.go.jp/info:ndljp/pid/3189366" dc:title="NDL Digital Collection"/>
49 rdf:resource Required if any URL of the page publishing the full-text
50 dc:title Data source name
 

Atom1.0 Response Format Specification

No. Tag Name Requirement Contents Notes
First level Second level Third level Fourth level Fifth level Attribute
1 xml Required Declares that it is an XML document
2 feed Required Root element of the document For xml:lang attribute, describes the language to be returned. Describe the following character strings for attributes other than xml:lan.
3
4 xmlns xmlns="http://www.w3.org/2005/Atom"
5 xmlns:rdf xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
6 xmlns:rdfs xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
7 xmlns:dc xmlns:dc="http://purl.org/dc/elements/1.1/"
8 xmlns:prism xmlns:prism="http://prismstandard.org/namespaces/basic/2.0/"
9 xmlns:ndl xmlns:ndl="http://ndl.go.jp/dcndl/terms"
10 xmlns:opensearch xmlns:opensearch="http://a9.com/-/spec/opensearch/1.1/"
11 xmlns:cir xmlns:cir="https://cir.nii.ac.jp/schema/1.0/"
12 xml:lang xml:lang=”ja”>
13 title Required Feed title "CiNii Research" and search type linked with query and "200 0 atom".
E.g. <title>CiNii Research all - Taro Kokujo 200 0 atom</title>
14 link href Required URL for searching equivalent content in HTML
15 link rel Required Relationship to the referenced document Fixed value (self)
16 type Required MIME type of the referenced document Fixed value (application/atom+xm)
17 href Required Requested URI The URI of this search request. URL-encode the query and output it in the "variable name = value" format. Link it with "&". appid will be removed from the parameter.
18 id Required Requested URI Same as the link element
19 updated Required Date and time the search was performed W3CDTF notation
20 dc:date Required Date and time the search was performed W3CDTF notation
21 opensearch:totalResults Required Total number of search results
22 opensearch:startIndex Required Start number Display which data in the search results is described from.
23 opensearch:itemsPerPage Required Number of results Display how many search results are included in the response.
24 entry Required Container to store the search results Repeat up to the number of opensearch:itemsPerPage.
25 title Required Title
26 link href Required Detail page URI Display URI permalink.
<link href="https://cir.nii.ac.jp/crid/1234567890123"/>
27 link rel Required Relationship to the referenced document Fixed value(alternate)
28 type Required MIME type of the referenced document Fixed value (application/rdf+xml)
29 href Required RDF URI Display the URI for detailed RDF
href="https://cir.nii.ac.jp/crid/1234567890123.rdf"
30 id Required Detail Page URI Display the permalink of the detail page
<id>https://cir.nii.ac.jp/crid/1234567890123</id>
31 author Required Description of the authors List them all if there is than one.
32 name Required Author name
33 dc:publisher Required Publisher
34 dc:type Required Data type
35 prism:publicationName Publication Name
36 prism:issn ISSN
37 /td> prism:volume< Volume
38 prism:number Number
39 prism:startingPage Start page
40 prism:endingPage End page
41 prism:pagePange Page
42 prism:publicationDate Publication date W3CDTF notation
43 content Abstract
44 type Fixed value (text)
45 abstractLicenseFlag Abstract License Flag Set allow / disallow as value if value exists.
46 dc:identifier
47 rdf:datatype
48 (value)
49 dc:subject Keyword
50 ndl:degreeName
51 ndl:dissertationNumber
52 dc:date
53 dc:source Required if any Description related to the text link E.g.
<dc:source rdf:resource="https://dl.ndl.go.jp/info:ndljp/pid/3189366" dc:title="NDL Digital Collection"/>
54 rdf:resource Required if any URL of the page publishing the full text/td>
55 dc:title Required if any Data source name
 

JSON-LD Response Format Specification

------------
No. Tag Name Multiplicity Type Requirement Contents Notes
First level Second level Third level Fourth level Fifth level Attribute
1 @context 1 Object Required Root element of the document "@context": {
"@vocab": "http://purl.org/rss/1.0/"
"rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
"rdfs": "http://www.w3.org/2000/01/rdf-schema#"
"dc": "http://purl.org/dc/elements/1.1/"
"prism": "http://prismstandard.org/namespaces/basic/2.0/"
"ndl":"http://ndl.go.jp/dcndl/terms"
"opensearch": "http://a9.com/-/spec/opensearch/1.1/"
"cir":"https://cir.nii.ac.jp/schema/1.0/"
"@language": "ja"
},
2 @vocab 1 Required http://purl.org/rss/1.0/
3 rdf 1 Required http://www.w3.org/1999/02/22-rdf-syntax-ns#
4 rdfs 1 Required http://www.w3.org/2000/01/rdf-schema#
5 dc 1 Required http://purl.org/dc/elements/1.1/
6 prism 1 Required http://prismstandard.org/namespaces/basic/2.0/
7 ndl 1 Required http://ndl.go.jp/dcndl/terms
8 opensearch 1 Required http://a9.com/-/spec/opensearch/1.1/
9 cir 1 Required https://cir.nii.ac.jp/schema/1.0/
10 @language 1
11 @id 1 Required Requested URI "CiNii Research" and search type linked with query and "200 0 json"
E.g. <title>CiNii Research all - Taro Kokujo "200 0 json"</title>
12 @type 1 Required Same as the title
13 title 1 Required title "CiNii Research" and search type concatenated with query and "200 0 json".
Example：<title>CiNii Research all - Taro Kokujo 200 0 json</title>
14 description 1 Required title Same content as title
15 link 1 object Required
16 @id 1 Required Requested URI The URI of this search request. URL-encode the query and output it in the "variable name = value" format. appid will be removed from the parameter.
17 dc:date 1 Required Date and time the search was performed W3CDTF notation
18 opensearch:totalResults 1 Required Total number of search results
19 opensearch:startIndex 1 Start numbe Display which data in the search results is described from.
20 opensearch:itemsPerPage 1 Number of results Display how many search results are included in the response.
21 items 1..n array
22 @id 1 Detail page URI Display the detail page permalink.
23 @type 1
24 title 1 Author name
title
25 link 1 object
26 @id 1 Detail page URI Display the permalink of the detail pageDisplay
"link": {"@id":"https://cir.nii.ac.jp/crid/1234567890123"}
27 rdfs:seeAlso 1 object
28 @id 1 JSON-LD URI Display JSON-LD URI (except appid parameter).
"rdfs:seeAlso":{"@id":"https://cir.nii.ac.jp/crid/1234567890123.json"}
29 dc:creator 0..n array Required Author name
30 dc:publisher 1 Publisher
For dissertations, the name of the degree-granting university.
31 dc:type 1 Required Data type
32 prism:publicationName 1 Publication name
33 prism:ISSN 1 ISSN
34 prism:volume 1 Volume
35 prism:number 1 Number
36 prism:startingPage 1 Start page
37 prism:endingPage 1 End page
38 prism:pageRange 1 Page
39 prism:publicationDate 1 Publication date W3CDTF notation
40 description 1 Abstract
41 abstractLicenseFlag 0,1 Abstract License Flag Set allow / disallow as value if value exists.
42 dc:identifier 0..n Identifier
43 @type 1 Identifier type
44 @value 1 Identifier code value
45 dc:subject 0..n Keyword
46 ndl:degreeName 1 Required if any Degree title
47 ndl:dissertationNumber 1 Required if any Degree award number
48 dc:date 1 Degree award date
49 dc:source 0..n array
50 @id 1 Required if available URL of the page publishing the full text
51 dc:title 1 Required if available Data source name
 

Revision History

You can check the revision history as follows.

Updated on November 25, 2025

Due to the addition of Researchers search addition of Opensearch v2 query specifications and response specification changes.

Updated on December 9, 2024

The query specifications have been changed as follows.
Support for "Start Year (from)" and "End Year (until)" for dissertations.
Added text to "awardYear" Notes.
Delete "CID (CiNii Dissertations)" from "Data Source Type" Notes, Added "NDL_SEARCH".

　　

Updated on July 24, 2023

Added "Research and Development ProgramType" to the query specification.

Updated on August 23, 2022

Added "abstractLicenseFlag" to the response format.

Updated on October 26, 2021

Added "prism: issn" to the response format.

Created on October 4, 2021