NCBI E-utilities API

E135932

NCBI service REST-like API web API

The NCBI E-utilities API is a set of programmatic web services that allow automated querying, retrieval, and integration of data from NCBI databases such as PubMed.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (5)

Label	Occurrences
E-utilities	1
Entrez Programming Utilities	1
NCBI E-utilities API canonical	1
NCBI Entrez Programming Utilities	1
NCBI Entrez Programming Utilities team	1

How this entity was disambiguated

This entity first appeared as the object of triple T1199147 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: NCBI E-utilities API
Context triple: [PubMed, isAccessibleVia, NCBI E-utilities API]

A. Z39.50
Z39.50 is a client-server protocol used primarily by libraries and information services to search and retrieve bibliographic and related data from remote databases in a standardized way.
B. PubMed
PubMed is a free search engine providing access to a vast database of biomedical and life sciences literature maintained by the U.S. National Library of Medicine.
C. PubMed Central
PubMed Central is a free digital archive of biomedical and life sciences journal literature maintained by the U.S. National Institutes of Health’s National Library of Medicine.
D. GAW World Data Centres
GAW World Data Centres are specialized international facilities that collect, manage, and distribute atmospheric and environmental data to support the scientific and monitoring activities of the Global Atmosphere Watch program.
E. Library of Congress Linked Data Service
The Library of Congress Linked Data Service is an online platform that publishes the Library of Congress’s controlled vocabularies and authority data in machine-readable linked data formats for use in cataloging and semantic web applications.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: NCBI E-utilities API
Target entity description: The NCBI E-utilities API is a set of programmatic web services that allow automated querying, retrieval, and integration of data from NCBI databases such as PubMed.

A. Z39.50
Z39.50 is a client-server protocol used primarily by libraries and information services to search and retrieve bibliographic and related data from remote databases in a standardized way.
B. PubMed
PubMed is a free search engine providing access to a vast database of biomedical and life sciences literature maintained by the U.S. National Library of Medicine.
C. PubMed Central
PubMed Central is a free digital archive of biomedical and life sciences journal literature maintained by the U.S. National Institutes of Health’s National Library of Medicine.
D. GAW World Data Centres
GAW World Data Centres are specialized international facilities that collect, manage, and distribute atmospheric and environmental data to support the scientific and monitoring activities of the Global Atmosphere Watch program.
E. Library of Congress Linked Data Service
The Library of Congress Linked Data Service is an online platform that publishes the Library of Congress’s controlled vocabularies and authority data in machine-readable linked data formats for use in cataloging and semantic web applications.
F. None of above. chosen

Statements (60)

Predicate	Object
instanceOf	NCBI service ⓘ REST-like API ⓘ web API ⓘ
accessURL	https://eutils.ncbi.nlm.nih.gov/entrez/eutils/ ⓘ
developer	National Center for Biotechnology Information ⓘ
documentationURL	https://www.ncbi.nlm.nih.gov/books/NBK25501/ ⓘ
hasComponent	EFetch ⓘ EGQuery ⓘ EHistory ⓘ EInfo ⓘ ELink ⓘ EPost ⓘ ESearch ⓘ ESpell ⓘ ESummary ⓘ
maintainedBy	NCBI E-utilities API self-linksurface differs ⓘ surface form: NCBI Entrez Programming Utilities team
partOf	Entrez system ⓘ surface form: NCBI Entrez system
primaryUse	automated literature retrieval ⓘ bioinformatics data integration ⓘ programmatic access to NCBI databases ⓘ
protocol	HTTP ⓘ
providesAccessTo	Assembly database ⓘ BioProject database ⓘ BioSample database ⓘ Gene database ⓘ Nucleotide database ⓘ Protein database ⓘ PubMed ⓘ PubMed Central ⓘ SNP database ⓘ Structure database ⓘ Taxonomy database ⓘ
publisher	National Center for Biotechnology Information ⓘ
rateLimitedBy	NCBI usage policies ⓘ
recommends	email parameter ⓘ
requires	tool parameter ⓘ
supportsDatabase	assembly ⓘ bioproject ⓘ biosample ⓘ gene ⓘ nucleotide ⓘ pmc ⓘ protein ⓘ PubMed ⓘ surface form: pubmed snp ⓘ taxonomy ⓘ
supportsFormat	JSON ⓘ XML ⓘ text ⓘ
supportsOperation	ID posting ⓘ fetch ⓘ global query ⓘ history management ⓘ link ⓘ search ⓘ spell check ⓘ summary ⓘ
usedFor	PubMed text mining ⓘ high-throughput bioinformatics pipelines ⓘ systematic review automation ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

PubMed → isAccessibleVia → NCBI E-utilities API ⓘ

National Center for Biotechnology Information → hasService → NCBI E-utilities API ⓘ

this entity surface form: E-utilities

Entrez system → partOf → NCBI E-utilities API ⓘ

this entity surface form: NCBI Entrez Programming Utilities

Entrez system → accessibleVia → NCBI E-utilities API ⓘ

this entity surface form: Entrez Programming Utilities

NCBI E-utilities API → maintainedBy → NCBI E-utilities API self-linksurface differs ⓘ

this entity surface form: NCBI Entrez Programming Utilities team

All labels observed (5)

How this entity was disambiguated Show

Statements (60)

How these facts were elicited Show

Referenced by (5)

How this entity was disambiguated

How these facts were elicited