Version: 1.0.0
API URL: https://api-stg.opencitations.net/skg-if/v1
Contact: contact@opencitations.net
License: ISC
SKG-IF compliant API exposing OpenCitations bibliographic data as JSON-LD, following the Scholarly Knowledge Graph Interoperability Framework specification.
The operations that this API implements are:
Returns a single research product identified by its OpenCitations Meta identifier (OMID). The response includes bibliographic metadata from OpenCitations Meta and citation data from OpenCitations Index.
Accepted HTTP method(s) get
str, regular expression shape https:/{1,2}w3id\.org/oc/meta/.+Example/products/https://w3id.org/oc/meta/br/062104388184
Exemplar output (in JSON)
{
"@context": [
"https://w3id.org/skg-if/context/1.1.0/skg-if.json",
"https://w3id.org/skg-if/context/1.0.0/skg-if-api.json",
{
"@base": "https://w3id.org/skg-if/sandbox/oc/"
}
],
"meta": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/products/https://w3id.org/oc/meta/br/062104388184",
"entity_type": "single_entity"
},
"@graph": [
{
"local_identifier": "https://w3id.org/oc/meta/br/062104388184",
"entity_type": "product",
"product_type": "literature",
"titles": {
"none": [
"OpenCitations Meta"
]
},
"identifiers": [
{
"value": "10.1162/qss_a_00292",
"scheme": "doi"
}
],
"contributions": [
{
"role": "author",
"by": {
"name": "Massari, Arcangelo",
"entity_type": "person",
"family_name": "Massari",
"given_name": "Arcangelo",
"identifiers": [
{
"value": "0000-0002-8420-0696",
"scheme": "orcid"
}
],
"local_identifier": "persons/ra/06250110138"
},
"rank": 1
},
{
"role": "author",
"by": {
"name": "Mariani, Fabio",
"entity_type": "person",
"family_name": "Mariani",
"given_name": "Fabio",
"identifiers": [
{
"value": "0000-0002-7382-0187",
"scheme": "orcid"
}
],
"local_identifier": "persons/ra/0621012370562"
},
"rank": 2
},
{
"role": "author",
"by": {
"name": "Heibi, Ivan",
"entity_type": "person",
"family_name": "Heibi",
"given_name": "Ivan",
"identifiers": [
{
"value": "0000-0001-5366-5194",
"scheme": "orcid"
}
],
"local_identifier": "persons/ra/0621012370563"
},
"rank": 3
},
{
"role": "author",
"by": {
"name": "Peroni, Silvio",
"entity_type": "person",
"family_name": "Peroni",
"given_name": "Silvio",
"identifiers": [
{
"value": "0000-0003-0530-4305",
"scheme": "orcid"
}
],
"local_identifier": "persons/ra/0621012370564"
},
"rank": 4
},
{
"role": "author",
"by": {
"name": "Shotton, David",
"entity_type": "person",
"family_name": "Shotton",
"given_name": "David",
"identifiers": [
{
"value": "0000-0001-5506-523X",
"scheme": "orcid"
}
],
"local_identifier": "persons/ra/0621012370565"
},
"rank": 5
},
{
"role": "publisher",
"by": {
"name": "Mit Press",
"entity_type": "organisation",
"local_identifier": "organisations/ra/0610116105"
},
"rank": 1
}
],
"manifestations": [
{
"type": {
"class": "http://purl.org/spar/fabio/JournalArticle",
"defined_in": "http://purl.org/spar/fabio",
"labels": {
"en": "journal article"
}
},
"biblio": {
"volume": "5",
"issue": "1",
"pages": {
"first": "50",
"last": "75"
},
"in": {
"name": "Quantitative Science Studies",
"entity_type": "venue",
"local_identifier": "venues/br/062501778099",
"identifiers": [
{
"value": "S4210195326",
"scheme": "openalex"
},
{
"value": "2641-3337",
"scheme": "issn"
}
]
}
},
"dates": {
"publication": [
"2024-01-01T00:00:00"
]
}
}
],
"related_products": {
"cites": [
"https://w3id.org/oc/meta/br/06103007140",
"https://w3id.org/oc/meta/br/0610867930",
"https://w3id.org/oc/meta/br/061102015064",
"https://w3id.org/oc/meta/br/061102015169",
"https://w3id.org/oc/meta/br/061201341000",
"https://w3id.org/oc/meta/br/061302130471",
"https://w3id.org/oc/meta/br/061501741757",
"https://w3id.org/oc/meta/br/061503029782",
"https://w3id.org/oc/meta/br/061503595784",
"https://w3id.org/oc/meta/br/06150878997",
"https://w3id.org/oc/meta/br/061703213020",
"https://w3id.org/oc/meta/br/061703367432",
"https://w3id.org/oc/meta/br/061801986475",
"https://w3id.org/oc/meta/br/061802636786",
"https://w3id.org/oc/meta/br/062103573093",
"https://w3id.org/oc/meta/br/062202390183",
"https://w3id.org/oc/meta/br/062203843935",
"https://w3id.org/oc/meta/br/062303563887",
"https://w3id.org/oc/meta/br/062501777134",
"https://w3id.org/oc/meta/br/062501777138",
"https://w3id.org/oc/meta/br/062502075555",
"https://w3id.org/oc/meta/br/062502379711",
"https://w3id.org/oc/meta/br/06250648347",
"https://w3id.org/oc/meta/br/062602030618",
"https://w3id.org/oc/meta/br/062604422894",
"https://w3id.org/oc/meta/br/062604422895",
"https://w3id.org/oc/meta/br/062604422896",
"https://w3id.org/oc/meta/br/062604422897",
"https://w3id.org/oc/meta/br/062604422898",
"https://w3id.org/oc/meta/br/062604422899",
"https://w3id.org/oc/meta/br/06301298733",
"https://w3id.org/oc/meta/br/06302611193",
"https://w3id.org/oc/meta/br/0630685531",
"https://w3id.org/oc/meta/br/06320129129",
"https://w3id.org/oc/meta/br/06401296979",
"https://w3id.org/oc/meta/br/06401334370",
"https://w3id.org/oc/meta/br/06401935463",
"https://w3id.org/oc/meta/br/06402610446",
"https://w3id.org/oc/meta/br/0641097549",
"https://w3id.org/oc/meta/br/0650312105",
"https://w3id.org/oc/meta/br/06603394186",
"https://w3id.org/oc/meta/br/06702573854",
"https://w3id.org/oc/meta/br/06804723331",
"https://w3id.org/oc/meta/br/06902362263",
"https://w3id.org/oc/meta/br/06903616292"
]
}
}
]
}Returns a list of research products matching the given filters.
Accepted HTTP method(s) get
Search filter.
Format: comma-separated filter_name:filter_value pairs (AND logic).
Filters in the first group use exact matching. For cf.search.*, matching is text contains.
Filters marked as currently empty are accepted but return no matches in OpenCitations at the moment.
Attribute filters:
product_typeidentifiers.ididentifiers.schemecontributions.by.local_identifiercontributions.by.identifiers.idcontributions.by.identifiers.schemecontributions.by.family_namecontributions.by.given_namecontributions.by.namecontributions.declared_affiliations.local_identifier (currently empty)contributions.declared_affiliations.identifiers.id (currently empty)contributions.declared_affiliations.identifiers.scheme (currently empty)contributions.declared_affiliations.name (currently empty)contributions.declared_affiliations.short_name (currently empty)funding.local_identifier (currently empty)funding.grant_number (currently empty)funding.identifiers.id (currently empty)funding.identifiers.scheme (currently empty)Convenience filters (cf.*):
cf.search.titlecf.search.title_abstract (currently empty)cf.contributions_orcidcf.contributions_aff_ror (currently empty)cf.contributions_aff_country (currently empty)cf.citescf.cited_bycf.cites_doicf.cited_by_doiExample/products?filter=cf.search.title:OpenCitations
Exemplar output (in JSON)
{
"@context": [
"https://w3id.org/skg-if/context/1.1.0/skg-if.json",
"https://w3id.org/skg-if/context/1.0.0/skg-if-api.json",
{
"@base": "https://w3id.org/skg-if/sandbox/oc/"
}
],
"meta": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/products?filter=cf.search.title:OpenCitations&page=1&page_size=10",
"entity_type": "search_result_page",
"part_of": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/products?filter=cf.search.title:OpenCitations",
"entity_type": "search_result",
"total_items": 7,
"first_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/products?filter=cf.search.title:OpenCitations&page=1&page_size=10",
"entity_type": "search_result_page"
},
"last_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/products?filter=cf.search.title:OpenCitations&page=1&page_size=10",
"entity_type": "search_result_page"
}
}
},
"@graph": [
{
"local_identifier": "https://w3id.org/oc/meta/br/06401296979",
"product_type": "literature",
"titles": {
"none": [
"A Programming Interface For Creating Data According To The SPAR Ontologies And The OpenCitations Data Model"
]
},
"identifiers": [
{
"value": "W4285173206",
"scheme": "openalex"
},
{
"value": "10.1007/978-3-031-06981-9_18",
"scheme": "doi"
}
],
"contributions": [
{
"role": "author",
"by": {
"name": "Persiani, Simone",
"entity_type": "person",
"family_name": "Persiani",
"given_name": "Simone",
"local_identifier": "https://w3id.org/oc/meta/ra/06403863047"
},
"rank": 1
},
{
"role": "author",
"by": {
"name": "Daquino, Marilena",
"entity_type": "person",
"family_name": "Daquino",
"given_name": "Marilena",
"identifiers": [
{
"value": "0000-0002-1113-7550",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0625011225133"
},
"rank": 2
},
{
"role": "author",
"by": {
"name": "Peroni, Silvio",
"entity_type": "person",
"family_name": "Peroni",
"given_name": "Silvio",
"identifiers": [
{
"value": "0000-0003-0530-4305",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0614010840729"
},
"rank": 3
},
{
"role": "publisher",
"by": {
"name": "Springer Science And Business Media Llc",
"entity_type": "organisation",
"local_identifier": "https://w3id.org/oc/meta/ra/0610116006"
},
"rank": 1
}
],
"manifestations": [
{
"type": {
"class": "http://purl.org/spar/fabio/BookChapter",
"defined_in": "http://purl.org/spar/fabio",
"labels": {
"en": "book chapter"
}
},
"dates": {
"publication": [
"2022-01-01T00:00:00"
]
},
"biblio": {
"pages": {
"first": "305",
"last": "322"
},
"in": {
"name": "The Semantic Web",
"entity_type": "venue",
"local_identifier": "https://w3id.org/oc/meta/br/06401297735",
"identifiers": [
{
"value": "9783031069802",
"scheme": "isbn"
},
{
"value": "9783031069819",
"scheme": "isbn"
}
]
}
}
}
],
"entity_type": "product"
},
{
"local_identifier": "https://w3id.org/oc/meta/br/062104388184",
"product_type": "literature",
"titles": {
"none": [
"OpenCitations Meta"
]
},
"identifiers": [
{
"value": "10.1162/qss_a_00292",
"scheme": "doi"
}
],
"contributions": [
{
"role": "author",
"by": {
"name": "Massari, Arcangelo",
"entity_type": "person",
"family_name": "Massari",
"given_name": "Arcangelo",
"identifiers": [
{
"value": "0000-0002-8420-0696",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/06250110138"
},
"rank": 1
},
{
"role": "author",
"by": {
"name": "Mariani, Fabio",
"entity_type": "person",
"family_name": "Mariani",
"given_name": "Fabio",
"identifiers": [
{
"value": "0000-0002-7382-0187",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0621012370562"
},
"rank": 2
},
{
"role": "author",
"by": {
"name": "Heibi, Ivan",
"entity_type": "person",
"family_name": "Heibi",
"given_name": "Ivan",
"identifiers": [
{
"value": "0000-0001-5366-5194",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0621012370563"
},
"rank": 3
},
{
"role": "author",
"by": {
"name": "Peroni, Silvio",
"entity_type": "person",
"family_name": "Peroni",
"given_name": "Silvio",
"identifiers": [
{
"value": "0000-0003-0530-4305",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0621012370564"
},
"rank": 4
},
{
"role": "author",
"by": {
"name": "Shotton, David",
"entity_type": "person",
"family_name": "Shotton",
"given_name": "David",
"identifiers": [
{
"value": "0000-0001-5506-523X",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0621012370565"
},
"rank": 5
},
{
"role": "publisher",
"by": {
"name": "Mit Press",
"entity_type": "organisation",
"local_identifier": "https://w3id.org/oc/meta/ra/0610116105"
},
"rank": 1
}
],
"manifestations": [
{
"type": {
"class": "http://purl.org/spar/fabio/JournalArticle",
"defined_in": "http://purl.org/spar/fabio",
"labels": {
"en": "journal article"
}
},
"dates": {
"publication": [
"2024-01-01T00:00:00"
]
},
"biblio": {
"volume": "5",
"issue": "1",
"pages": {
"first": "50",
"last": "75"
},
"in": {
"name": "Quantitative Science Studies",
"entity_type": "venue",
"local_identifier": "https://w3id.org/oc/meta/br/062501778099",
"identifiers": [
{
"value": "2641-3337",
"scheme": "issn"
},
{
"value": "S4210195326",
"scheme": "openalex"
}
]
}
}
}
],
"entity_type": "product"
},
{
"local_identifier": "https://w3id.org/oc/meta/br/062501777134",
"product_type": "literature",
"titles": {
"none": [
"OpenCitations, An Infrastructure Organization For Open Scholarship"
]
},
"identifiers": [
{
"value": "W3106215946",
"scheme": "openalex"
},
{
"value": "10.1162/qss_a_00023",
"scheme": "doi"
}
],
"contributions": [
{
"role": "author",
"by": {
"name": "Peroni, Silvio",
"entity_type": "person",
"family_name": "Peroni",
"given_name": "Silvio",
"identifiers": [
{
"value": "0000-0003-0530-4305",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0614010840729"
},
"rank": 1
},
{
"role": "author",
"by": {
"name": "Shotton, D M",
"entity_type": "person",
"family_name": "Shotton",
"given_name": "D M",
"identifiers": [
{
"value": "0000-0001-5506-523X",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0621010775619"
},
"rank": 2
},
{
"role": "publisher",
"by": {
"name": "Mit Press",
"entity_type": "organisation",
"local_identifier": "https://w3id.org/oc/meta/ra/0610116105"
},
"rank": 1
}
],
"manifestations": [
{
"type": {
"class": "http://purl.org/spar/fabio/JournalArticle",
"defined_in": "http://purl.org/spar/fabio",
"labels": {
"en": "journal article"
}
},
"dates": {
"publication": [
"2020-02-01T00:00:00"
]
},
"biblio": {
"volume": "1",
"issue": "1",
"pages": {
"first": "428",
"last": "444"
},
"in": {
"name": "Quantitative Science Studies",
"entity_type": "venue",
"local_identifier": "https://w3id.org/oc/meta/br/062501778099",
"identifiers": [
{
"value": "S4210195326",
"scheme": "openalex"
},
{
"value": "2641-3337",
"scheme": "issn"
}
]
}
}
}
],
"entity_type": "product"
},
{
"local_identifier": "https://w3id.org/oc/meta/br/061302130471",
"product_type": "literature",
"titles": {
"none": [
"Software Review: COCI, The OpenCitations Index Of Crossref Open DOI-to-DOI Citations"
]
},
"identifiers": [
{
"value": "W2938946739",
"scheme": "openalex"
},
{
"value": "10.1007/s11192-019-03217-6",
"scheme": "doi"
}
],
"contributions": [
{
"role": "author",
"by": {
"name": "Heibi, Ivan",
"entity_type": "person",
"family_name": "Heibi",
"given_name": "Ivan",
"identifiers": [
{
"value": "0000-0001-5366-5194",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/063011864088"
},
"rank": 1
},
{
"role": "author",
"by": {
"name": "Peroni, Silvio",
"entity_type": "person",
"family_name": "Peroni",
"given_name": "Silvio",
"identifiers": [
{
"value": "0000-0003-0530-4305",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0614010840729"
},
"rank": 2
},
{
"role": "author",
"by": {
"name": "Shotton, D M",
"entity_type": "person",
"family_name": "Shotton",
"given_name": "D M",
"identifiers": [
{
"value": "0000-0001-5506-523X",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0621010775619"
},
"rank": 3
},
{
"role": "publisher",
"by": {
"name": "Springer Science And Business Media Llc",
"entity_type": "organisation",
"local_identifier": "https://w3id.org/oc/meta/ra/0610116006"
},
"rank": 1
}
],
"manifestations": [
{
"type": {
"class": "http://purl.org/spar/fabio/JournalArticle",
"defined_in": "http://purl.org/spar/fabio",
"labels": {
"en": "journal article"
}
},
"dates": {
"publication": [
"2019-09-14T00:00:00"
]
},
"biblio": {
"volume": "121",
"issue": "2",
"pages": {
"first": "1213",
"last": "1228"
},
"in": {
"name": "Scientometrics",
"entity_type": "venue",
"local_identifier": "https://w3id.org/oc/meta/br/0626055628",
"identifiers": [
{
"value": "S148561398",
"scheme": "openalex"
},
{
"value": "1588-2861",
"scheme": "issn"
},
{
"value": "0138-9130",
"scheme": "issn"
}
]
}
}
}
],
"entity_type": "product"
},
{
"local_identifier": "https://w3id.org/oc/meta/br/06404693975",
"product_type": "literature",
"titles": {
"none": [
"The Integration Of The Japan Link Center’s Bibliographic Data Into OpenCitations"
]
},
"identifiers": [
{
"value": "10.5334/johd.178",
"scheme": "doi"
}
],
"contributions": [
{
"role": "author",
"by": {
"name": "Moretti, Arianna",
"entity_type": "person",
"family_name": "Moretti",
"given_name": "Arianna",
"identifiers": [
{
"value": "0000-0001-5486-7070",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/061206532421"
},
"rank": 1
},
{
"role": "author",
"by": {
"name": "Soricetti, Marta",
"entity_type": "person",
"family_name": "Soricetti",
"given_name": "Marta",
"identifiers": [
{
"value": "0009-0008-1466-7742",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/064013186641"
},
"rank": 2
},
{
"role": "author",
"by": {
"name": "Heibi, Ivan",
"entity_type": "person",
"family_name": "Heibi",
"given_name": "Ivan",
"identifiers": [
{
"value": "0000-0001-5366-5194",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/063011864088"
},
"rank": 3
},
{
"role": "author",
"by": {
"name": "Massari, Arcangelo",
"entity_type": "person",
"family_name": "Massari",
"given_name": "Arcangelo",
"identifiers": [
{
"value": "0000-0002-8420-0696",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/06250110138"
},
"rank": 4
},
{
"role": "author",
"by": {
"name": "Peroni, Silvio",
"entity_type": "person",
"family_name": "Peroni",
"given_name": "Silvio",
"identifiers": [
{
"value": "0000-0003-0530-4305",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/0614010840729"
},
"rank": 5
},
{
"role": "author",
"by": {
"name": "Rizzetto, Elia",
"entity_type": "person",
"family_name": "Rizzetto",
"given_name": "Elia",
"identifiers": [
{
"value": "0009-0003-7161-9310",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/064013186645"
},
"rank": 6
},
{
"role": "publisher",
"by": {
"name": "Ubiquity Press, Ltd.",
"entity_type": "organisation",
"local_identifier": "https://w3id.org/oc/meta/ra/0610116010"
},
"rank": 1
}
],
"manifestations": [
{
"type": {
"class": "http://purl.org/spar/fabio/JournalArticle",
"defined_in": "http://purl.org/spar/fabio",
"labels": {
"en": "journal article"
}
},
"dates": {
"publication": [
"2024-01-01T00:00:00"
]
},
"biblio": {
"volume": "10",
"in": {
"name": "Journal Of Open Humanities Data",
"entity_type": "venue",
"local_identifier": "https://w3id.org/oc/meta/br/06160186133",
"identifiers": [
{
"value": "2059-481X",
"scheme": "issn"
},
{
"value": "S4210240912",
"scheme": "openalex"
}
]
}
}
}
],
"entity_type": "product"
},
{
"local_identifier": "https://w3id.org/oc/meta/br/06290518281",
"product_type": "literature",
"titles": {
"none": [
"The OpenCitations Index: Description Of A Database Providing Open Citation Data"
]
},
"identifiers": [
{
"value": "10.1007/s11192-024-05160-7",
"scheme": "doi"
}
],
"contributions": [
{
"role": "author",
"by": {
"name": "Heibi, Ivan",
"entity_type": "person",
"family_name": "Heibi",
"given_name": "Ivan",
"identifiers": [
{
"value": "0000-0001-5366-5194",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/063011864088"
},
"rank": 1
},
{
"role": "author",
"by": {
"name": "Moretti, Arianna",
"entity_type": "person",
"family_name": "Moretti",
"given_name": "Arianna",
"identifiers": [
{
"value": "0000-0001-5486-7070",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/062901363345"
},
"rank": 2
},
{
"role": "author",
"by": {
"name": "Peroni, Silvio",
"entity_type": "person",
"family_name": "Peroni",
"given_name": "Silvio",
"identifiers": [
{
"value": "0000-0003-0530-4305",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/062901363346"
},
"rank": 3
},
{
"role": "author",
"by": {
"name": "Soricetti, Marta",
"entity_type": "person",
"family_name": "Soricetti",
"given_name": "Marta",
"identifiers": [
{
"value": "0009-0008-1466-7742",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/062901363347"
},
"rank": 4
},
{
"role": "publisher",
"by": {
"name": "Springer Science And Business Media Llc",
"entity_type": "organisation",
"local_identifier": "https://w3id.org/oc/meta/ra/0610116006"
},
"rank": 1
}
],
"manifestations": [
{
"type": {
"class": "http://purl.org/spar/fabio/JournalArticle",
"defined_in": "http://purl.org/spar/fabio",
"labels": {
"en": "journal article"
}
},
"dates": {
"publication": [
"2024-09-28T00:00:00"
]
},
"biblio": {
"in": {
"name": "Scientometrics",
"entity_type": "venue",
"local_identifier": "https://w3id.org/oc/meta/br/0626055628",
"identifiers": [
{
"value": "1588-2861",
"scheme": "issn"
},
{
"value": "0138-9130",
"scheme": "issn"
},
{
"value": "S148561398",
"scheme": "openalex"
}
]
}
}
}
],
"entity_type": "product"
},
{
"local_identifier": "https://w3id.org/oc/meta/br/06011163661",
"product_type": "literature",
"titles": {
"none": [
"Validating And Monitoring Bibliographic And Citation Data In OpenCitations Collections"
]
},
"identifiers": [
{
"value": "10.1007/s00799-025-00425-9",
"scheme": "doi"
}
],
"contributions": [
{
"role": "author",
"by": {
"name": "Heibi, Ivan",
"entity_type": "person",
"family_name": "Heibi",
"given_name": "Ivan",
"local_identifier": "https://w3id.org/oc/meta/ra/06028914346"
},
"rank": 1
},
{
"role": "author",
"by": {
"name": "Peroni, Silvio",
"entity_type": "person",
"family_name": "Peroni",
"given_name": "Silvio",
"local_identifier": "https://w3id.org/oc/meta/ra/06028914347"
},
"rank": 2
},
{
"role": "author",
"by": {
"name": "Rizzetto, Elia",
"entity_type": "person",
"family_name": "Rizzetto",
"given_name": "Elia",
"identifiers": [
{
"value": "0009-0003-7161-9310",
"scheme": "orcid"
}
],
"local_identifier": "https://w3id.org/oc/meta/ra/064013186645"
},
"rank": 3
},
{
"role": "publisher",
"by": {
"name": "Springer Science And Business Media Llc",
"entity_type": "organisation",
"local_identifier": "https://w3id.org/oc/meta/ra/0610116006"
},
"rank": 1
}
],
"manifestations": [
{
"type": {
"class": "http://purl.org/spar/fabio/JournalArticle",
"defined_in": "http://purl.org/spar/fabio",
"labels": {
"en": "journal article"
}
},
"dates": {
"publication": [
"2025-07-27T00:00:00"
]
},
"biblio": {
"volume": "26",
"issue": "3",
"in": {
"name": "International Journal On Digital Libraries",
"entity_type": "venue",
"local_identifier": "https://w3id.org/oc/meta/br/06160781188",
"identifiers": [
{
"value": "S110615584",
"scheme": "openalex"
},
{
"value": "1432-5012",
"scheme": "issn"
},
{
"value": "1432-1300",
"scheme": "issn"
}
]
}
}
}
],
"entity_type": "product"
}
]
}Coming soon. Returns a single person when implemented; this placeholder currently returns 404.
Accepted HTTP method(s) get
str, regular expression shape .+Example/persons/https://w3id.org/oc/meta/ra/0621012370564
Exemplar output (in JSON)
HTTP status code 404: entity not foundComing soon. Returns a list of persons matching the given filters when implemented; this placeholder currently returns an empty result.
Accepted HTTP method(s) get
Search filter.
Format: comma-separated filter_name:filter_value pairs (AND logic).
Filters in the first group use exact matching. For cf.search.*, matching is text contains.
Attribute filters:
identifiers.ididentifiers.schemegiven_namefamily_namenameaffiliations.affiliation.local_identifieraffiliations.affiliation.nameaffiliations.affiliation.short_nameaffiliations.roleConvenience filters (cf.*):
cf.search.family_namecf.search.given_namecf.search.nameExample/persons?filter=cf.search.given_name:Silvio,cf.search.family_name:Peroni
Exemplar output (in JSON)
{
"@context": [
"https://w3id.org/skg-if/context/1.1.0/skg-if.json",
"https://w3id.org/skg-if/context/1.0.0/skg-if-api.json",
{
"@base": "https://w3id.org/skg-if/sandbox/oc/"
}
],
"meta": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/persons?filter=cf.search.given_name:Silvio,cf.search.family_name:Peroni&page=1&page_size=1",
"entity_type": "search_result_page",
"part_of": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/persons?filter=cf.search.given_name:Silvio,cf.search.family_name:Peroni",
"entity_type": "search_result",
"total_items": 0,
"first_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/persons?filter=cf.search.given_name:Silvio,cf.search.family_name:Peroni&page=1&page_size=1",
"entity_type": "search_result_page"
},
"last_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/persons?filter=cf.search.given_name:Silvio,cf.search.family_name:Peroni&page=1&page_size=1",
"entity_type": "search_result_page"
}
}
},
"@graph": []
}Coming soon. Returns a single organisation when implemented; this placeholder currently returns 404.
Accepted HTTP method(s) get
str, regular expression shape .+Example/organisations/https://w3id.org/oc/meta/ra/0610116105
Exemplar output (in JSON)
HTTP status code 404: entity not foundComing soon. Returns a list of organisations matching the given filters when implemented; this placeholder currently returns an empty result.
Accepted HTTP method(s) get
Search filter.
Format: comma-separated filter_name:filter_value pairs (AND logic).
Filters in the first group use exact matching. For cf.search.*, matching is text contains.
Attribute filters:
identifiers.ididentifiers.schemenameshort_namewebsitecountryConvenience filters (cf.*):
cf.search.nameExample/organisations?filter=cf.search.name:Mit Press
Exemplar output (in JSON)
{
"@context": [
"https://w3id.org/skg-if/context/1.1.0/skg-if.json",
"https://w3id.org/skg-if/context/1.0.0/skg-if-api.json",
{
"@base": "https://w3id.org/skg-if/sandbox/oc/"
}
],
"meta": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/organisations?filter=cf.search.name:Mit Press&page=1&page_size=1",
"entity_type": "search_result_page",
"part_of": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/organisations?filter=cf.search.name:Mit Press",
"entity_type": "search_result",
"total_items": 0,
"first_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/organisations?filter=cf.search.name:Mit Press&page=1&page_size=1",
"entity_type": "search_result_page"
},
"last_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/organisations?filter=cf.search.name:Mit Press&page=1&page_size=1",
"entity_type": "search_result_page"
}
}
},
"@graph": []
}Coming soon. Returns a single venue when implemented; this placeholder currently returns 404.
Accepted HTTP method(s) get
str, regular expression shape .+Example/venues/https://w3id.org/oc/meta/br/062501778099
Exemplar output (in JSON)
HTTP status code 404: entity not foundComing soon. Returns a list of venues matching the given filters when implemented; this placeholder currently returns an empty result.
Accepted HTTP method(s) get
Search filter.
Format: comma-separated filter_name:filter_value pairs (AND logic).
Filters in the first group use exact matching. For cf.search.*, matching is text contains.
Attribute filters:
acronymtypeidentifiers.schemeidentifiers.valuenameConvenience filters (cf.*):
cf.search.nameExample/venues?filter=cf.search.name:Quantitative Science Studies
Exemplar output (in JSON)
{
"@context": [
"https://w3id.org/skg-if/context/1.1.0/skg-if.json",
"https://w3id.org/skg-if/context/1.0.0/skg-if-api.json",
{
"@base": "https://w3id.org/skg-if/sandbox/oc/"
}
],
"meta": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/venues?filter=cf.search.name:Quantitative Science Studies&page=1&page_size=1",
"entity_type": "search_result_page",
"part_of": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/venues?filter=cf.search.name:Quantitative Science Studies",
"entity_type": "search_result",
"total_items": 0,
"first_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/venues?filter=cf.search.name:Quantitative Science Studies&page=1&page_size=1",
"entity_type": "search_result_page"
},
"last_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/venues?filter=cf.search.name:Quantitative Science Studies&page=1&page_size=1",
"entity_type": "search_result_page"
}
}
},
"@graph": []
}Returns a single grant. Note: OpenCitations does not currently hold grant data; this endpoint always returns 404.
Accepted HTTP method(s) get
str, regular expression shape .+Example/grants/example-grant-id
Exemplar output (in JSON)
HTTP status code 404: entity not foundReturns a list of grants matching the given filters. Note: OpenCitations does not currently hold grant data; this endpoint always returns an empty result.
Accepted HTTP method(s) get
Search filter.
Format: comma-separated filter_name:filter_value pairs (AND logic).
Filters in the first group use exact matching. For cf.search.*, matching is text contains.
All filters below are accepted but currently return no matches because OpenCitations does not hold grant data.
Attribute filters:
identifiers.schemeidentifiers.valueacronymcurrencywebsitebeneficiaries.identifiers.schemebeneficiaries.identifiers.valuebeneficiaries.namebeneficiaries.short_namebeneficiaries.websitebeneficiaries.countrycontributions.by.local_identifiercontributions.by.identifiers.schemecontributions.by.identifiers.valuecontributions.by.given_namecontributions.by.family_namecontributions.by.namecontributions.declared_affiliations.local_identifiercontributions.declared_affiliations.identifiers.schemecontributions.declared_affiliations.identifiers.valuecontributions.declared_affiliations.namecontributions.declared_affiliations.short_namecontributions.declared_affiliations.websitecontributions.declared_affiliations.countrycontributions.rolegrant_numberfunding_agency.identifiers.schemefunding_agency.identifiers.valuefunding_agency.namefunding_agency.short_namefunding_agency.websitefunding_agency.countryfunding_streamConvenience filters (cf.*):
cf.search.titlecf.search.title_abstractcf.funded_amount.fromcf.funded_amount.tocf.duration.start.fromcf.duration.start.tocf.duration.end.fromExample/grants?filter=grant_number:12345
Exemplar output (in JSON)
{
"@context": [
"https://w3id.org/skg-if/context/1.1.0/skg-if.json",
"https://w3id.org/skg-if/context/1.0.0/skg-if-api.json",
{
"@base": "https://w3id.org/skg-if/sandbox/oc/"
}
],
"meta": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/grants?filter=grant_number:12345&page=1&page_size=1",
"entity_type": "search_result_page",
"part_of": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/grants?filter=grant_number:12345",
"entity_type": "search_result",
"total_items": 0,
"first_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/grants?filter=grant_number:12345&page=1&page_size=1",
"entity_type": "search_result_page"
},
"last_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/grants?filter=grant_number:12345&page=1&page_size=1",
"entity_type": "search_result_page"
}
}
},
"@graph": []
}Returns a single data source. Note: OpenCitations does not currently hold data source records; this endpoint always returns 404.
Accepted HTTP method(s) get
str, regular expression shape .+Example/datasources/example-datasource-id
Exemplar output (in JSON)
HTTP status code 404: entity not foundReturns a list of data sources matching the given filters. Note: OpenCitations does not currently hold data source records; this endpoint always returns an empty result.
Accepted HTTP method(s) get
Search filter.
Format: comma-separated filter_name:filter_value pairs (AND logic).
Filters in the first group use exact matching. For cf.search.*, matching is text contains.
All filters below are accepted but currently return no matches because OpenCitations does not hold data source records.
Attribute filters:
data_source_classificationresearch_product_typeidentifiers.schemeidentifiers.valueacronymConvenience filters (cf.*):
cf.search.nameExample/datasources?filter=research_product_type:literature
Exemplar output (in JSON)
{
"@context": [
"https://w3id.org/skg-if/context/1.1.0/skg-if.json",
"https://w3id.org/skg-if/context/1.0.0/skg-if-api.json",
{
"@base": "https://w3id.org/skg-if/sandbox/oc/"
}
],
"meta": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/datasources?filter=research_product_type:literature&page=1&page_size=1",
"entity_type": "search_result_page",
"part_of": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/datasources?filter=research_product_type:literature",
"entity_type": "search_result",
"total_items": 0,
"first_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/datasources?filter=research_product_type:literature&page=1&page_size=1",
"entity_type": "search_result_page"
},
"last_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/datasources?filter=research_product_type:literature&page=1&page_size=1",
"entity_type": "search_result_page"
}
}
},
"@graph": []
}Returns a single topic. Note: OpenCitations does not currently hold topic data; this endpoint always returns 404.
Accepted HTTP method(s) get
str, regular expression shape .+Example/topics/example-topic-id
Exemplar output (in JSON)
HTTP status code 404: entity not foundReturns a list of topics matching the given filters. Note: OpenCitations does not currently hold topic data; this endpoint always returns an empty result.
Accepted HTTP method(s) get
Search filter.
Format: comma-separated filter_name:filter_value pairs (AND logic).
Filters in the first group use exact matching. For cf.search.*, matching is text contains.
All filters below are accepted but currently return no matches because OpenCitations does not hold topic data.
Attribute filters:
identifiers.schemeidentifiers.valueConvenience filters (cf.*):
cf.search.labelscf.search.languageExample/topics?filter=cf.search.labels:biology
Exemplar output (in JSON)
{
"@context": [
"https://w3id.org/skg-if/context/1.1.0/skg-if.json",
"https://w3id.org/skg-if/context/1.0.0/skg-if-api.json",
{
"@base": "https://w3id.org/skg-if/sandbox/oc/"
}
],
"meta": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/topics?filter=cf.search.labels:biology&page=1&page_size=1",
"entity_type": "search_result_page",
"part_of": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/topics?filter=cf.search.labels:biology",
"entity_type": "search_result",
"total_items": 0,
"first_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/topics?filter=cf.search.labels:biology&page=1&page_size=1",
"entity_type": "search_result_page"
},
"last_page": {
"local_identifier": "https://api-stg.opencitations.net/skg-if/v1/topics?filter=cf.search.labels:biology&page=1&page_size=1",
"entity_type": "search_result_page"
}
}
},
"@graph": []
}