Williamsport, Maryland
E525698
Williamsport, Maryland is a small historic town along the Potomac River known for its role in the Civil War and its location on the Chesapeake and Ohio Canal.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Williamsport, Maryland canonical | 4 |
| Williamsport, Maryland, United States | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3230785 — 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: Williamsport, Maryland Context triple: [Washington County, Maryland, hasHistoricSite, Williamsport, Maryland]
-
A.
Hagerstown, Maryland
Hagerstown, Maryland is a city in western Maryland known as a regional hub near key Civil War sites and transportation routes.
-
B.
Middletown, Maryland
Middletown, Maryland is a small historic town in western Maryland known for its scenic Middletown Valley setting and role in Civil War-era events.
-
C.
Great Falls, Maryland
Great Falls, Maryland is a scenic community along the Potomac River known for its dramatic waterfalls, rugged river gorge, and popular hiking and outdoor recreation areas.
-
D.
Easton, Maryland
Easton, Maryland is a historic town on Maryland’s Eastern Shore known for its colonial architecture, cultural festivals, and role as a regional commercial and arts center.
-
E.
Pasadena, Maryland
Pasadena, Maryland is a suburban community in the Baltimore–Washington metropolitan area known for its residential neighborhoods and access to Chesapeake Bay waterways.
- 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: Williamsport, Maryland Target entity description: Williamsport, Maryland is a small historic town along the Potomac River known for its role in the Civil War and its location on the Chesapeake and Ohio Canal.
-
A.
Hagerstown, Maryland
Hagerstown, Maryland is a city in western Maryland known as a regional hub near key Civil War sites and transportation routes.
-
B.
Middletown, Maryland
Middletown, Maryland is a small historic town in western Maryland known for its scenic Middletown Valley setting and role in Civil War-era events.
-
C.
Great Falls, Maryland
Great Falls, Maryland is a scenic community along the Potomac River known for its dramatic waterfalls, rugged river gorge, and popular hiking and outdoor recreation areas.
-
D.
Easton, Maryland
Easton, Maryland is a historic town on Maryland’s Eastern Shore known for its colonial architecture, cultural festivals, and role as a regional commercial and arts center.
-
E.
Pasadena, Maryland
Pasadena, Maryland is a suburban community in the Baltimore–Washington metropolitan area known for its residential neighborhoods and access to Chesapeake Bay waterways.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | town ⓘ |
| areaCode |
240
ⓘ
301 ⓘ |
| climate | humid subtropical climate ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Washington County, Maryland NERFINISHED ⓘ |
| elevationInFeet | 397 ⓘ |
| elevationInMeters | 121 ⓘ |
| FIPSCode | 24-84925 ⓘ |
| GNISFeatureID | 0591491 ⓘ |
| governmentType | mayor–council government ⓘ |
| hasFeature |
access to Potomac River
ⓘ
canal-related historic structures ⓘ historic downtown district ⓘ |
| hasHistoricSignificance | American Civil War NERFINISHED ⓘ |
| hasNearbyBattlefield | Antietam National Battlefield NERFINISHED ⓘ |
| hasNearbyCrossing | Potomac River crossings used during the Civil War ⓘ |
| hasNearbyStructure |
Conococheague Aqueduct
NERFINISHED
ⓘ
Cushwa Basin NERFINISHED ⓘ Railroad lift bridge on the C&O Canal ⓘ |
| hasPark | Byron Memorial Park NERFINISHED ⓘ |
| hasPostalCode | 21795 ⓘ |
| hasRecreation |
boating on the Potomac River
ⓘ
hiking and biking on the C&O Canal towpath ⓘ |
| isCountySeatOf | none ⓘ |
| knownFor |
historic town center
ⓘ
location on the Chesapeake and Ohio Canal ⓘ role in the American Civil War ⓘ |
| locatedIn |
Maryland
ⓘ
United States of America ⓘ
surface form:
United States
Washington County, Maryland NERFINISHED ⓘ |
| locatedInRegion | western Maryland NERFINISHED ⓘ |
| locatedNear |
Hagerstown, Maryland
NERFINISHED
ⓘ
Interstate 70 NERFINISHED ⓘ Interstate 81 NERFINISHED ⓘ |
| locatedOnRiver | Potomac River NERFINISHED ⓘ |
| locatedOnRoute |
Maryland Route 63
NERFINISHED
ⓘ
Maryland Route 68 NERFINISHED ⓘ U.S. Route 11 NERFINISHED ⓘ |
| locatedOnWaterway | Chesapeake and Ohio Canal NERFINISHED ⓘ |
| partOf |
Appalachian region
NERFINISHED
ⓘ
Hagerstown metropolitan area NERFINISHED ⓘ |
| state | Maryland ⓘ |
| timeZone | Eastern Time Zone ⓘ |
| timeZoneDST |
Eastern Time Zone
ⓘ
surface form:
Eastern Daylight Time
|
| traversedBy | Chesapeake and Ohio Canal National Historical Park NERFINISHED ⓘ |
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: Williamsport, Maryland Description of subject: Williamsport, Maryland is a small historic town along the Potomac River known for its role in the Civil War and its location on the Chesapeake and Ohio Canal.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Williamsport, Maryland, United States