Fairmount Heights, Maryland
E68582
Fairmount Heights, Maryland is a small historic town in Prince George’s County known as one of the first planned African American communities in the Washington, D.C. metropolitan area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fairmount Heights, Maryland canonical | 4 |
| Surrattsville, Maryland | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T253836 — 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: Fairmount Heights, Maryland Context triple: [Prince George’s County, Maryland, contains, Fairmount Heights, Maryland]
-
A.
Morningside, Maryland
Morningside, Maryland is a small suburban town in the Washington, D.C. metropolitan area known for its proximity to Joint Base Andrews.
-
B.
Cheverly, Maryland
Cheverly, Maryland is a small suburban town in the Washington, D.C. metropolitan area known for its residential neighborhoods and proximity to major transportation routes.
-
C.
Temple Hills, Maryland
Temple Hills, Maryland is a suburban community in the Washington, D.C. metropolitan area known for its residential neighborhoods and proximity to major transportation routes.
-
D.
Hunt Valley, Maryland
Hunt Valley, Maryland is a suburban community north of Baltimore known for its business parks, shopping centers, and role as a regional commercial hub.
-
E.
Hyattsville, Maryland
Hyattsville, Maryland is a small city in the Washington, D.C. metropolitan area known for its historic districts, arts scene, and diverse residential neighborhoods.
- 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: Fairmount Heights, Maryland Target entity description: Fairmount Heights, Maryland is a small historic town in Prince George’s County known as one of the first planned African American communities in the Washington, D.C. metropolitan area.
-
A.
Morningside, Maryland
Morningside, Maryland is a small suburban town in the Washington, D.C. metropolitan area known for its proximity to Joint Base Andrews.
-
B.
Cheverly, Maryland
Cheverly, Maryland is a small suburban town in the Washington, D.C. metropolitan area known for its residential neighborhoods and proximity to major transportation routes.
-
C.
Temple Hills, Maryland
Temple Hills, Maryland is a suburban community in the Washington, D.C. metropolitan area known for its residential neighborhoods and proximity to major transportation routes.
-
D.
Hunt Valley, Maryland
Hunt Valley, Maryland is a suburban community north of Baltimore known for its business parks, shopping centers, and role as a regional commercial hub.
-
E.
Hyattsville, Maryland
Hyattsville, Maryland is a small city in the Washington, D.C. metropolitan area known for its historic districts, arts scene, and diverse residential neighborhoods.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
municipality
ⓘ
town ⓘ |
| adjacentTo | District of Columbia ⓘ |
| areaCode |
240
ⓘ
301 ⓘ |
| borderedBy |
Capitol Heights, Maryland
ⓘ
Seat Pleasant, Maryland ⓘ Washington, D.C. ⓘ |
| category |
African-American history
ⓘ
surface form:
African-American history of Maryland
Suburbs of Washington, D.C. ⓘ Towns in Prince George's County, Maryland ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county |
Prince George’s County, Maryland
ⓘ
surface form:
Prince George's County, Maryland
|
| demographicCharacteristic | historically majority African American population ⓘ |
| governmentType | mayor–council government ⓘ |
| hasCharacteristic |
historic African American community
ⓘ
planned community ⓘ |
| hasHistoricDistrict | Fairmount Heights Historic District ⓘ |
| isOneOf | first planned African American communities in the Washington, D.C. metropolitan area ⓘ |
| locatedIn |
Washington metropolitan area
ⓘ
surface form:
Washington, D.C. metropolitan area
|
| locatedNear | northeastern Washington, D.C. ⓘ |
| namedFor | Fairmount Heights ⓘ |
| NRHPListing | Fairmount Heights Historic District ⓘ |
| partOf |
Prince George's County municipalities
ⓘ
United States Census Bureau designated areas ⓘ
surface form:
United States Census Bureau places in Maryland
|
| postalCode | 20743 ⓘ |
| state | Maryland ⓘ |
| timeZone | Eastern Time Zone ⓘ |
| timeZoneDST |
Eastern Time Zone
ⓘ
surface form:
Eastern Daylight Time
|
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: Fairmount Heights, Maryland Description of subject: Fairmount Heights, Maryland is a small historic town in Prince George’s County known as one of the first planned African American communities in the Washington, D.C. metropolitan area.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Surrattsville, Maryland