Maryland Route 231
E690100
Maryland Route 231 is a state highway in southern Maryland that crosses the Patuxent River and connects communities such as Prince Frederick with major routes in Calvert and Charles counties.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Maryland Route 231 canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T7270185 — 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: Maryland Route 231 Context triple: [Prince Frederick, Maryland, servedByHighway, Maryland Route 231]
-
A.
Maryland Route 212
Maryland Route 212 is a state highway in Maryland that serves as a key commuter route connecting communities such as Beltsville to the broader Washington, D.C. metropolitan area.
-
B.
Maryland Route 331
Maryland Route 331 is a state highway on Maryland’s Eastern Shore that runs between Caroline and Dorchester counties, connecting small towns and rural areas as part of the regional road network.
-
C.
Maryland Route 223
Maryland Route 223 is a state highway in Prince George's County, Maryland, serving communities such as Clinton and providing a connector between several major local routes.
-
D.
Maryland Route 381
Maryland Route 381 is a state highway in Maryland that serves communities in Prince George's County, including the area around Clinton.
-
E.
Maryland Route 260
Maryland Route 260 is a state highway in Maryland that connects communities in Calvert and Anne Arundel counties, serving as a key commuter route between the Chesapeake Bay area and major regional roads.
- 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: Maryland Route 231 Target entity description: Maryland Route 231 is a state highway in southern Maryland that crosses the Patuxent River and connects communities such as Prince Frederick with major routes in Calvert and Charles counties.
-
A.
Maryland Route 212
Maryland Route 212 is a state highway in Maryland that serves as a key commuter route connecting communities such as Beltsville to the broader Washington, D.C. metropolitan area.
-
B.
Maryland Route 331
Maryland Route 331 is a state highway on Maryland’s Eastern Shore that runs between Caroline and Dorchester counties, connecting small towns and rural areas as part of the regional road network.
-
C.
Maryland Route 223
Maryland Route 223 is a state highway in Prince George's County, Maryland, serving communities such as Clinton and providing a connector between several major local routes.
-
D.
Maryland Route 381
Maryland Route 381 is a state highway in Maryland that serves communities in Prince George's County, including the area around Clinton.
-
E.
Maryland Route 260
Maryland Route 260 is a state highway in Maryland that connects communities in Calvert and Anne Arundel counties, serving as a key commuter route between the Chesapeake Bay area and major regional roads.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| bridgeName | Benedict Bridge NERFINISHED ⓘ |
| connectsCommunity |
Benedict, Maryland
NERFINISHED
ⓘ
Hughesville, Maryland NERFINISHED ⓘ Prince Frederick, Maryland NERFINISHED ⓘ |
| connectsTo |
major routes in Calvert County, Maryland
ⓘ
major routes in Charles County, Maryland ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Patuxent River NERFINISHED ⓘ |
| crossesVia | Benedict Bridge NERFINISHED ⓘ |
| easternTerminus | Prince Frederick, Maryland NERFINISHED ⓘ |
| hasBridge | Benedict Bridge NERFINISHED ⓘ |
| highwayNumber | 231 ⓘ |
| highwayType | MD NERFINISHED ⓘ |
| junctionWith |
Maryland Route 2
NERFINISHED
ⓘ
Maryland Route 4 NERFINISHED ⓘ Maryland Route 5 NERFINISHED ⓘ U.S. Route 301 NERFINISHED ⓘ |
| locatedInCounty |
Calvert County, Maryland
NERFINISHED
ⓘ
Charles County, Maryland NERFINISHED ⓘ |
| locatedInRegion | Southern Maryland NERFINISHED ⓘ |
| maintainedBy | Maryland State Highway Administration NERFINISHED ⓘ |
| passesNear | Benedict, Maryland NERFINISHED ⓘ |
| passesThrough | rural areas of Southern Maryland ⓘ |
| regionServed |
Calvert County, Maryland
NERFINISHED
ⓘ
Charles County, Maryland NERFINISHED ⓘ |
| riverCrossed | Patuxent River NERFINISHED ⓘ |
| roadClassification | primary state highway ⓘ |
| servesAs | east–west connector ⓘ |
| state | Maryland ⓘ |
| westernTerminus | near Hughesville, Maryland ⓘ |
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: Maryland Route 231 Description of subject: Maryland Route 231 is a state highway in southern Maryland that crosses the Patuxent River and connects communities such as Prince Frederick with major routes in Calvert and Charles counties.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.