Happy Isles Bridge
E641715
Happy Isles Bridge is a footbridge in Yosemite National Park that spans the Merced River near the Happy Isles area and serves as a key crossing point for hikers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Happy Isles Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6997616 — 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: Happy Isles Bridge Context triple: [Happy Isles trailhead, hasNearbyFeature, Happy Isles Bridge]
-
A.
Harbour Island Bridge
Harbour Island Bridge is a vehicular and pedestrian bridge in Tampa, Florida, connecting downtown across the Garrison Channel to Harbour Island.
-
B.
Green Island Bridge
Green Island Bridge is a vehicular and pedestrian bridge spanning the Hudson River, connecting the city of Troy to Green Island in New York State.
-
C.
Blannerhassett Island Bridge
Blannerhassett Island Bridge is a cable-stayed highway bridge over the Ohio River that carries U.S. Route 50 near Parkersburg, West Virginia, providing access to Blennerhassett Island and connecting West Virginia with Ohio.
-
D.
Newport Bridge
Newport Bridge is a road bridge in Newport on the Isle of Wight, England, serving as a key crossing point over the River Medina.
-
E.
Chevron Island Bridge
Chevron Island Bridge is a road bridge in Surfers Paradise, Queensland, that connects Chevron Island to the mainland across the Nerang River.
- 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: Happy Isles Bridge Target entity description: Happy Isles Bridge is a footbridge in Yosemite National Park that spans the Merced River near the Happy Isles area and serves as a key crossing point for hikers.
-
A.
Harbour Island Bridge
Harbour Island Bridge is a vehicular and pedestrian bridge in Tampa, Florida, connecting downtown across the Garrison Channel to Harbour Island.
-
B.
Green Island Bridge
Green Island Bridge is a vehicular and pedestrian bridge spanning the Hudson River, connecting the city of Troy to Green Island in New York State.
-
C.
Blannerhassett Island Bridge
Blannerhassett Island Bridge is a cable-stayed highway bridge over the Ohio River that carries U.S. Route 50 near Parkersburg, West Virginia, providing access to Blennerhassett Island and connecting West Virginia with Ohio.
-
D.
Newport Bridge
Newport Bridge is a road bridge in Newport on the Isle of Wight, England, serving as a key crossing point over the River Medina.
-
E.
Chevron Island Bridge
Chevron Island Bridge is a road bridge in Surfers Paradise, Queensland, that connects Chevron Island to the mainland across the Nerang River.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | footbridge ⓘ |
| accesses |
Happy Isles trailheads
ⓘ
John Muir Trail NERFINISHED ⓘ Mist Trail NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Merced River NERFINISHED ⓘ |
| hasTraffic | pedestrians only ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Happy Isles NERFINISHED ⓘ Mariposa County ⓘ
surface form:
Mariposa County, California
United States of America ⓘ
surface form:
United States
Yosemite National Park ⓘ |
| locatedInProtectedArea | Yosemite National Park NERFINISHED ⓘ |
| maintainedBy | U.S. National Park Service NERFINISHED ⓘ |
| material | wood and steel ⓘ |
| near |
Happy Isles Nature Center
NERFINISHED
ⓘ
Happy Isles shuttle stop NERFINISHED ⓘ |
| owner | U.S. National Park Service NERFINISHED ⓘ |
| partOf | Yosemite Valley trail network NERFINISHED ⓘ |
| region | Sierra Nevada NERFINISHED ⓘ |
| riverBasin | Merced River basin NERFINISHED ⓘ |
| spans | Merced River NERFINISHED ⓘ |
| usedFor |
hiking access
ⓘ
pedestrian crossing ⓘ |
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: Happy Isles Bridge Description of subject: Happy Isles Bridge is a footbridge in Yosemite National Park that spans the Merced River near the Happy Isles area and serves as a key crossing point for hikers.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.