Jefferson, Maryland
E594685
Jefferson, Maryland is a small unincorporated community and historic rural town in Frederick County, known for its scenic setting in western Maryland and its 18th- and 19th-century architecture.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jefferson, Maryland canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4237890 — 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: Jefferson, Maryland Context triple: [Middletown Valley, containsSettlement, Jefferson, Maryland]
-
A.
Clinton, Maryland
Clinton, Maryland is a suburban community in Prince George’s County known for its residential neighborhoods and proximity to Washington, D.C.
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B.
Columbia, Maryland
Columbia, Maryland is a planned community in central Maryland known for its village-based design, diverse population, and role as a major residential and commercial hub between Baltimore and Washington, D.C.
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C.
Frederick, Maryland
Frederick, Maryland is a historic city in western Maryland known for its vibrant downtown, Civil War heritage, and role as a regional hub for government and biomedical research.
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D.
Jessup, Maryland
Jessup, Maryland is an unincorporated community in the Baltimore–Washington metropolitan area known for its correctional facilities, warehouses, and transportation links.
-
E.
Potomac, Maryland
Potomac, Maryland is an affluent suburban community in Montgomery County just outside Washington, D.C., known for its large estates, excellent schools, and proximity to scenic Potomac River parks and trails.
- 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: Jefferson, Maryland Target entity description: Jefferson, Maryland is a small unincorporated community and historic rural town in Frederick County, known for its scenic setting in western Maryland and its 18th- and 19th-century architecture.
-
A.
Clinton, Maryland
Clinton, Maryland is a suburban community in Prince George’s County known for its residential neighborhoods and proximity to Washington, D.C.
-
B.
Columbia, Maryland
Columbia, Maryland is a planned community in central Maryland known for its village-based design, diverse population, and role as a major residential and commercial hub between Baltimore and Washington, D.C.
-
C.
Frederick, Maryland
Frederick, Maryland is a historic city in western Maryland known for its vibrant downtown, Civil War heritage, and role as a regional hub for government and biomedical research.
-
D.
Jessup, Maryland
Jessup, Maryland is an unincorporated community in the Baltimore–Washington metropolitan area known for its correctional facilities, warehouses, and transportation links.
-
E.
Potomac, Maryland
Potomac, Maryland is an affluent suburban community in Montgomery County just outside Washington, D.C., known for its large estates, excellent schools, and proximity to scenic Potomac River parks and trails.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
census-designated place
ⓘ
historic rural town ⓘ unincorporated community ⓘ |
| areaCode |
240
ⓘ
301 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Frederick County, Maryland NERFINISHED ⓘ |
| developedAs | rural service center for surrounding farms ⓘ |
| elevationInFeet | 384 ⓘ |
| FIPScode | 24-42075 ⓘ |
| GNISFeatureID | 590566 ⓘ |
| hasArchitectureStyle |
Federal architecture
ⓘ
Greek Revival architecture NERFINISHED ⓘ Victorian architecture ⓘ |
| hasCharacteristic |
agricultural surroundings
ⓘ
predominantly residential community ⓘ |
| hasFeature | historic main street core ⓘ |
| hasHistoricDistrict | Jefferson Historic District NERFINISHED ⓘ |
| historicDistrictListedOn | National Register of Historic Places NERFINISHED ⓘ |
| knownFor |
18th- and 19th-century architecture
ⓘ
scenic rural setting ⓘ |
| landAreaInSquareMiles | 5.22 ⓘ |
| locatedIn |
Catoctin Creek watershed
NERFINISHED
ⓘ
Middletown Valley NERFINISHED ⓘ western Maryland NERFINISHED ⓘ |
| locatedWestOf | Frederick, Maryland NERFINISHED ⓘ |
| near |
Frederick, Maryland
NERFINISHED
ⓘ
Middletown, Maryland NERFINISHED ⓘ |
| nearWaterBody | Catoctin Creek NERFINISHED ⓘ |
| partOf | Frederick County, Maryland NERFINISHED ⓘ |
| populationAsOf2020Census | 2593 ⓘ |
| postalCode | 21755 ⓘ |
| region |
Mid-Atlantic states
ⓘ
surface form:
Mid-Atlantic United States
Piedmont region of Maryland ⓘ |
| servedBySchoolDistrict | Frederick County Public Schools NERFINISHED ⓘ |
| settlementType |
census-designated place
ⓘ
unincorporated community ⓘ |
| state | Maryland ⓘ |
| timeZone | Eastern Time Zone ⓘ |
| traversedBy |
Maryland Route 180
NERFINISHED
ⓘ
U.S. Route 340 (nearby) NERFINISHED ⓘ |
| waterAreaInSquareMiles | 0.01 ⓘ |
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: Jefferson, Maryland Description of subject: Jefferson, Maryland is a small unincorporated community and historic rural town in Frederick County, known for its scenic setting in western Maryland and its 18th- and 19th-century architecture.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.