Union Dam Trail
E551543
Union Dam Trail is a hiking path within Maryland’s Patapsco Valley State Park, known for its wooded riverside scenery and access to historic mill and dam sites.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Union Dam Trail canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5646029 — 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: Union Dam Trail Context triple: [Patapsco Valley State Park, hasPart, Union Dam Trail]
-
A.
Stone Bridge Trail
Stone Bridge Trail is a walking path in Manassas National Battlefield Park that follows historic Civil War terrain near the Stone Bridge and offers visitors interpretive views of the battlefield landscape.
-
B.
Reservoir Trail
Reservoir Trail is a hiking path within the Middlesex Fells Reservation in Massachusetts, offering scenic woodland and reservoir views for walkers and outdoor enthusiasts.
-
C.
Barker Dam Trail
Barker Dam Trail is a popular short loop hike in Joshua Tree National Park known for its historic dam, desert wildlife, and striking rock formations.
-
D.
Betsie Valley Trail
Betsie Valley Trail is a scenic multi-use recreational trail in Michigan that follows an old railroad corridor along the Betsie River and Betsie Bay, popular for hiking, biking, and nature viewing.
-
E.
Flume Trail
The Flume Trail is a renowned mountain biking and hiking route near Lake Tahoe, celebrated for its narrow singletrack and dramatic lake and mountain vistas.
- 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: Union Dam Trail Target entity description: Union Dam Trail is a hiking path within Maryland’s Patapsco Valley State Park, known for its wooded riverside scenery and access to historic mill and dam sites.
-
A.
Stone Bridge Trail
Stone Bridge Trail is a walking path in Manassas National Battlefield Park that follows historic Civil War terrain near the Stone Bridge and offers visitors interpretive views of the battlefield landscape.
-
B.
Reservoir Trail
Reservoir Trail is a hiking path within the Middlesex Fells Reservation in Massachusetts, offering scenic woodland and reservoir views for walkers and outdoor enthusiasts.
-
C.
Barker Dam Trail
Barker Dam Trail is a popular short loop hike in Joshua Tree National Park known for its historic dam, desert wildlife, and striking rock formations.
-
D.
Betsie Valley Trail
Betsie Valley Trail is a scenic multi-use recreational trail in Michigan that follows an old railroad corridor along the Betsie River and Betsie Bay, popular for hiking, biking, and nature viewing.
-
E.
Flume Trail
The Flume Trail is a renowned mountain biking and hiking route near Lake Tahoe, celebrated for its narrow singletrack and dramatic lake and mountain vistas.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | hiking trail ⓘ |
| accesses |
former mill sites along the Patapsco River
ⓘ
historic Union Dam area ⓘ |
| category |
Hiking trails in Maryland
ⓘ
Patapsco Valley State Park trails ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Howard County, Maryland NERFINISHED ⓘ |
| follows | Patapsco River NERFINISHED ⓘ |
| hasFeature |
historic dam sites
ⓘ
historic mill sites ⓘ |
| hasScenery |
forest views
ⓘ
river views ⓘ |
| locatedIn |
Maryland
ⓘ
Patapsco Valley State Park NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| managedBy | Maryland Department of Natural Resources NERFINISHED ⓘ |
| partOf | Patapsco Valley State Park trail system NERFINISHED ⓘ |
| state | Maryland ⓘ |
| surface | natural surface ⓘ |
| terrain |
riverside
ⓘ
wooded ⓘ |
| usedFor |
hiking
ⓘ
nature observation ⓘ walking ⓘ |
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: Union Dam Trail Description of subject: Union Dam Trail is a hiking path within Maryland’s Patapsco Valley State Park, known for its wooded riverside scenery and access to historic mill and dam sites.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.