Canal Turn
E572373
Canal Turn is one of the most famous and challenging fences in the Grand National steeplechase, known for its sharp 90-degree turn immediately after the jump.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Canal Turn canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6185418 — 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: Canal Turn Context triple: [Grand National, notableFence, Canal Turn]
-
A.
Feeder Canal
The Feeder Canal is an artificial waterway in Bristol, England, that connects the River Avon to Bristol Harbour and helps regulate water levels for the city’s docks.
-
B.
Gage Canal
Gage Canal is a historic irrigation canal in Riverside, California, that played a crucial role in developing the region’s citrus industry and agricultural growth.
-
C.
Sunnyside Canal
Sunnyside Canal is a major irrigation canal in Washington State that supplies water to agricultural lands in the Yakima Valley.
-
D.
Hamilton Canal
Hamilton Canal is a historic Dutch-era waterway in Sri Lanka that links the coastal town of Negombo with other parts of the western canal network, once used for transporting goods and people.
-
E.
Barkley Canal
Barkley Canal is a man-made waterway in western Kentucky that links Kentucky Lake with Lake Barkley, enabling navigation between the two reservoirs.
- 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: Canal Turn Target entity description: Canal Turn is one of the most famous and challenging fences in the Grand National steeplechase, known for its sharp 90-degree turn immediately after the jump.
-
A.
Feeder Canal
The Feeder Canal is an artificial waterway in Bristol, England, that connects the River Avon to Bristol Harbour and helps regulate water levels for the city’s docks.
-
B.
Gage Canal
Gage Canal is a historic irrigation canal in Riverside, California, that played a crucial role in developing the region’s citrus industry and agricultural growth.
-
C.
Sunnyside Canal
Sunnyside Canal is a major irrigation canal in Washington State that supplies water to agricultural lands in the Yakima Valley.
-
D.
Hamilton Canal
Hamilton Canal is a historic Dutch-era waterway in Sri Lanka that links the coastal town of Negombo with other parts of the western canal network, once used for transporting goods and people.
-
E.
Barkley Canal
Barkley Canal is a man-made waterway in western Kentucky that links Kentucky Lake with Lake Barkley, enabling navigation between the two reservoirs.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Grand National fence
ⓘ
steeplechase fence ⓘ |
| country | United Kingdom ⓘ |
| courseDirectionChange | approximately 90 degrees left ⓘ |
| courseSection |
first circuit
ⓘ
second circuit ⓘ |
| hasFeature | sharp 90-degree turn after the fence ⓘ |
| hasNameOrigin | named after the adjacent canal ⓘ |
| hasObstacleType | plain fence ⓘ |
| hasReputation |
one of the most challenging fences in the Grand National
ⓘ
one of the most famous fences in the Grand National ⓘ |
| hasRisk | sharp turn increases risk of falls and interference ⓘ |
| isComparedTo |
Becher's Brook
NERFINISHED
ⓘ
The Chair NERFINISHED ⓘ |
| jumpedInRace |
Foxhunters' Chase at Aintree
NERFINISHED
ⓘ
Grand National NERFINISHED ⓘ |
| jumpNumberOnFirstCircuit | 8 ⓘ |
| jumpNumberOnSecondCircuit | 24 ⓘ |
| locatedIn |
Aintree
NERFINISHED
ⓘ
Aintree Racecourse NERFINISHED ⓘ Merseyside ⓘ |
| locatedNear | Leeds and Liverpool Canal NERFINISHED ⓘ |
| notableFor |
frequent incidents of bunching and interference
ⓘ
horses often forced wide if they jump to the outside ⓘ |
| partOf | Grand National course NERFINISHED ⓘ |
| requires |
careful approach speed
ⓘ
precise jockey positioning ⓘ |
| safetyMeasures | subject to modifications over time to improve safety ⓘ |
| sport | horse racing ⓘ |
| surface | turf ⓘ |
| usedFor | National Hunt racing ⓘ |
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: Canal Turn Description of subject: Canal Turn is one of the most famous and challenging fences in the Grand National steeplechase, known for its sharp 90-degree turn immediately after the jump.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.