American elm
E156
The American elm is a large, deciduous North American tree species historically prized for its vase-shaped form and use as a prominent shade and street tree.
All labels observed (4)
| Label | Occurrences |
|---|---|
| American elm canonical | 5 |
| Ulmus americana | 3 |
| American elm trees | 1 |
| Ulmaceae | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2065 — 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: American elm Context triple: [Massachusetts, stateTree, American elm]
-
A.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
B.
Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
-
C.
Tim the Beaver
Tim the Beaver is the official mascot of the Massachusetts Institute of Technology, symbolizing the school’s emphasis on engineering, ingenuity, and industriousness.
-
D.
Everett, Massachusetts, United States
Everett, Massachusetts, United States, is a small industrial city just north of Boston known historically for its manufacturing base and as the birthplace of influential engineer and science administrator Vannevar Bush.
-
E.
Belmont, Massachusetts, United States
Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
- 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: American elm Target entity description: The American elm is a large, deciduous North American tree species historically prized for its vase-shaped form and use as a prominent shade and street tree.
-
A.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
B.
Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
-
C.
Tim the Beaver
Tim the Beaver is the official mascot of the Massachusetts Institute of Technology, symbolizing the school’s emphasis on engineering, ingenuity, and industriousness.
-
D.
Everett, Massachusetts, United States
Everett, Massachusetts, United States, is a small industrial city just north of Boston known historically for its manufacturing base and as the birthplace of influential engineer and science administrator Vannevar Bush.
-
E.
Belmont, Massachusetts, United States
Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
Elm
ⓘ
deciduous tree ⓘ tree species ⓘ |
| barkColor | dark gray ⓘ |
| barkTexture | furrowed ⓘ |
| binomialName |
Ulmus americana
ⓘ
linked to:
American elm
|
| commonName |
American elm
ⓘ
white elm ⓘ |
| conservationIssue | population decline from Dutch elm disease ⓘ |
| crownShape |
arching branches
ⓘ
broadly spreading ⓘ |
| family |
Ulmaceae
ⓘ
linked to:
American elm
|
| floweringSeason | early spring ⓘ |
| flowerType | inconspicuous flowers ⓘ |
| fruitType | samara ⓘ |
| genus | Ulmus ⓘ |
| growthForm |
large tree
ⓘ
vase-shaped crown ⓘ |
| habitat |
bottomlands
ⓘ
floodplains ⓘ rich upland forests ⓘ |
| historicallyPrizedFor |
urban shade
ⓘ
vase-shaped form ⓘ |
| kingdom | Plantae ⓘ |
| leafArrangement | alternate ⓘ |
| leafMargin | doubly serrate ⓘ |
| leafShape | ovate ⓘ |
| leafType | deciduous ⓘ |
| lifespan | can exceed 100 years ⓘ |
| nativeTo |
North America
ⓘ
eastern North America ⓘ eastern United States ⓘ southern Canada ⓘ |
| order | Rosales ⓘ |
| pollination | wind-pollinated ⓘ |
| soilPreference |
moist soils
ⓘ
well-drained soils ⓘ |
| susceptibleTo |
Dutch elm disease
ⓘ
elm leaf beetle ⓘ elm yellows ⓘ |
| taxonRank | species ⓘ |
| tolerates |
air pollution
ⓘ
urban conditions ⓘ |
| typicalHeight |
20–30 meters
ⓘ
65–100 feet ⓘ |
| uses |
ornamental tree
ⓘ
shade tree ⓘ street tree ⓘ |
| woodUse |
boxes
ⓘ
flooring ⓘ furniture ⓘ pallets ⓘ |
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: American elm Description of subject: The American elm is a large, deciduous North American tree species historically prized for its vase-shaped form and use as a prominent shade and street tree.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: American elm
linked to: American elm
linked to: American elm
linked to: American elm
linked to: American elm