National Arboretum
E123023
The National Arboretum is a major U.S. research and public garden facility in Washington, D.C., known for its extensive plant collections, horticultural research, and educational exhibits.
All labels observed (7)
| Label | Occurrences |
|---|---|
| National Arboretum canonical | 3 |
| United States National Arboretum | 2 |
| National Arboretum, Washington, D.C. | 1 |
| National Boxwood Collection | 1 |
| National Grove of State Trees | 1 |
| U.S. National Arboretum | 1 |
| US National Arboretum | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1039184 — 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: National Arboretum Context triple: [Agricultural Research Service, hasPart, National Arboretum]
-
A.
United States Botanic Garden
The United States Botanic Garden is a historic living plant museum in Washington, D.C., showcasing diverse plant collections and promoting botanical education and conservation.
-
B.
Scott Arboretum
Scott Arboretum is a renowned botanical garden and living plant collection integrated into Swarthmore College’s campus, known for its diverse horticultural displays and educational programs.
-
C.
Hoyt Arboretum
Hoyt Arboretum is a public arboretum in Portland, Oregon, featuring extensive collections of trees and plants from around the world along miles of forested trails.
-
D.
Arnold Arboretum
Arnold Arboretum is a renowned botanical research institution and public landscape in Boston known for its extensive living collection of trees and shrubs.
-
E.
Washington Park Botanical Garden
Washington Park Botanical Garden is a public botanical garden in Springfield, Illinois, featuring diverse plant collections, conservatories, and landscaped grounds for education and recreation.
- 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: National Arboretum Target entity description: The National Arboretum is a major U.S. research and public garden facility in Washington, D.C., known for its extensive plant collections, horticultural research, and educational exhibits.
-
A.
United States Botanic Garden
The United States Botanic Garden is a historic living plant museum in Washington, D.C., showcasing diverse plant collections and promoting botanical education and conservation.
-
B.
Scott Arboretum
Scott Arboretum is a renowned botanical garden and living plant collection integrated into Swarthmore College’s campus, known for its diverse horticultural displays and educational programs.
-
C.
Hoyt Arboretum
Hoyt Arboretum is a public arboretum in Portland, Oregon, featuring extensive collections of trees and plants from around the world along miles of forested trails.
-
D.
Arnold Arboretum
Arnold Arboretum is a renowned botanical research institution and public landscape in Boston known for its extensive living collection of trees and shrubs.
-
E.
Washington Park Botanical Garden
Washington Park Botanical Garden is a public botanical garden in Springfield, Illinois, featuring diverse plant collections, conservatories, and landscaped grounds for education and recreation.
- F. None of above. chosen
Statements (85)
| Predicate | Object |
|---|---|
| instanceOf |
arboretum
ⓘ
botanical garden ⓘ research institution ⓘ |
| admissionPolicy | no general admission fee for entry ⓘ |
| alsoKnownAs |
National Arboretum, Washington, D.C.
ⓘ
linked to:
National Arboretum
U.S. National Arboretum ⓘ
linked to:
National Arboretum
US National Arboretum ⓘ
linked to:
National Arboretum
|
| area |
about 180 hectares
ⓘ
about 446 acres ⓘ |
| country | United States of America ⓘ |
| governedBy | Director of the United States National Arboretum ⓘ |
| hasAttraction |
Anacostia River shoreline
ⓘ
linked to:
Anacostia River
Asian Collections ⓘ Azalea Collection ⓘ Capitol Columns ⓘ Dogwood Collection ⓘ Fern Valley ⓘ Friendship Garden ⓘ Gotelli Conifer Collection ⓘ Meadow Road area ⓘ National Boxwood Collection ⓘ
linked to:
National Arboretum
National Grove of State Trees ⓘ
linked to:
National Arboretum
National Herb Garden ⓘ Washington Youth Garden ⓘ |
| hasCollection |
Asian plants
ⓘ
azaleas ⓘ bonsai ⓘ boxwood ⓘ cherry trees ⓘ conifers ⓘ crape myrtle ⓘ dogwood ⓘ elms ⓘ herb garden plants ⓘ holly ⓘ magnolia ⓘ maples ⓘ native plants of North America ⓘ oaks ⓘ ornamental plants ⓘ penjing ⓘ rhododendrons ⓘ woody plants ⓘ |
| hasFacility |
Administration Building and Visitor Center
ⓘ
National Bonsai & Penjing Museum ⓘ herbarium ⓘ library ⓘ nursery production areas ⓘ research greenhouses ⓘ |
| hasMission | to serve the public need for scientific research, education, and gardens that conserve and showcase plants ⓘ |
| hasParking | on-site parking for visitors ⓘ |
| hasTrail |
hiking trails
ⓘ
paved roads for driving tours ⓘ walking paths ⓘ |
| hasUse |
education
ⓘ
horticultural research ⓘ plant conservation ⓘ public garden ⓘ recreation ⓘ |
| hasWebsite | https://www.usna.usda.gov ⓘ |
| inception | 1927 ⓘ |
| locatedIn |
District of Columbia
ⓘ
Northeast Washington, D.C. ⓘ Washington, D.C. ⓘ |
| locatedOn | west bank of the Anacostia River ⓘ |
| offers |
educational programs
ⓘ
guided tours ⓘ public exhibits ⓘ special events ⓘ |
| openedToPublic | 1927 ⓘ |
| operatedBy |
USDA Agricultural Research Service
ⓘ
linked to:
Agricultural Research Service
United States Department of Agriculture ⓘ |
| ownedBy |
United States federal government
ⓘ
linked to:
United States government
|
| partOf |
United States Department of Agriculture Agricultural Research Service
ⓘ
linked to:
Agricultural Research Service
|
| postalCode | 20002 ⓘ |
| researchFocus |
conservation of plant genetic resources
ⓘ
landscape plant development ⓘ ornamental plant breeding ⓘ plant evaluation ⓘ plant genetics ⓘ plant introduction ⓘ plant taxonomy ⓘ urban horticulture ⓘ |
| shortName | National Arboretum ⓘ |
| streetAddress | 3501 New York Avenue NE ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: National Arboretum Description of subject: The National Arboretum is a major U.S. research and public garden facility in Washington, D.C., known for its extensive plant collections, horticultural research, and educational exhibits.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: National Arboretum
linked to: National Arboretum
subject linked to:
National Arboretum
linked to: National Arboretum
subject linked to:
National Arboretum
linked to: National Arboretum
subject linked to:
National Arboretum
subject linked to:
National Arboretum
linked to: National Arboretum
subject linked to:
National Arboretum
linked to: National Arboretum
subject linked to:
National Arboretum
linked to: National Arboretum