Black Bridge
E689854
Black Bridge is a historic suspension bridge spanning the Colorado River in the Grand Canyon, used by hikers and mule trains on the South Kaibab Trail.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Black Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7686883 — 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: Black Bridge Context triple: [South Kaibab Trail, hasFeature, Black Bridge]
-
A.
Stone Bridge
Stone Bridge is a historic medieval stone bridge in Regensburg, Germany, renowned as an important example of 12th-century engineering and a key crossing over the Danube River.
-
B.
Stone Bridge
Stone Bridge is a historic masonry bridge at Manassas National Battlefield Park that played a notable role in the American Civil War battles fought there.
-
C.
Stone Bridge
Stone Bridge is a historic Ottoman-era bridge spanning the Vardar River in Skopje, North Macedonia, and is one of the city's most recognizable symbols.
-
D.
Gold Bridge
Gold Bridge is a small, remote community in British Columbia, Canada, known historically for gold mining and as a gateway to the surrounding Coast Mountains wilderness.
-
E.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
- 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: Black Bridge Target entity description: Black Bridge is a historic suspension bridge spanning the Colorado River in the Grand Canyon, used by hikers and mule trains on the South Kaibab Trail.
-
A.
Stone Bridge
Stone Bridge is a historic medieval stone bridge in Regensburg, Germany, renowned as an important example of 12th-century engineering and a key crossing over the Danube River.
-
B.
Stone Bridge
Stone Bridge is a historic masonry bridge at Manassas National Battlefield Park that played a notable role in the American Civil War battles fought there.
-
C.
Stone Bridge
Stone Bridge is a historic Ottoman-era bridge spanning the Vardar River in Skopje, North Macedonia, and is one of the city's most recognizable symbols.
-
D.
Gold Bridge
Gold Bridge is a small, remote community in British Columbia, Canada, known historically for gold mining and as a gateway to the surrounding Coast Mountains wilderness.
-
E.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
pedestrian bridge ⓘ suspension bridge ⓘ |
| accessRestrictedTo |
pack mules
ⓘ
pedestrians ⓘ |
| alsoKnownAs |
Black Suspension Bridge
NERFINISHED
ⓘ
Kaibab Trail Suspension Bridge NERFINISHED ⓘ |
| connectsTo |
North Kaibab Trail
NERFINISHED
ⓘ
South Kaibab Trail NERFINISHED ⓘ |
| crosses | Colorado River NERFINISHED ⓘ |
| hasColor | black ⓘ |
| hasDesign | suspension ⓘ |
| hasFeature |
side railings
ⓘ
wooden deck ⓘ |
| hasMaterial | steel ⓘ |
| locatedIn |
Arizona
NERFINISHED
ⓘ
Grand Canyon NERFINISHED ⓘ Grand Canyon National Park NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| maintainedBy | U.S. National Park Service NERFINISHED ⓘ |
| near |
Bright Angel Campground
NERFINISHED
ⓘ
Phantom Ranch NERFINISHED ⓘ |
| onTrail | South Kaibab Trail NERFINISHED ⓘ |
| openedForUseBy | hikers and mules ⓘ |
| parallelTo | Silver Bridge NERFINISHED ⓘ |
| partOf | Grand Canyon trail system NERFINISHED ⓘ |
| spansFeature | Inner Gorge of the Grand Canyon NERFINISHED ⓘ |
| usedBy |
hikers
ⓘ
mule trains ⓘ |
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: Black Bridge Description of subject: Black Bridge is a historic suspension bridge spanning the Colorado River in the Grand Canyon, used by hikers and mule trains on the South Kaibab Trail.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.