Lock O-5
E466390
Lock O-5 is one of the navigation locks on New York State’s Oswego Canal, used to raise and lower boats as they travel between the Erie Canal and Lake Ontario.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lock O-5 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4587863 — 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: Lock O-5 Context triple: [Oswego Canal, hasLock, Lock O-5]
-
A.
Lock O-1
Lock O-1 is a navigation lock on New York State’s Oswego Canal that helps vessels transition between different water levels along the waterway.
-
B.
Lock O-4
Lock O-4 is one of the navigation locks on New York State’s Oswego Canal, used to raise and lower boats as they travel between the Erie Canal and Lake Ontario.
-
C.
Lock O-2
Lock O-2 is one of the navigation locks on New York State’s Oswego Canal, helping vessels transit between different water levels along the waterway.
-
D.
Lock O-3
Lock O-3 is one of the navigation locks on New York State’s Oswego Canal, used to raise and lower boats between different water levels along the waterway.
-
E.
Wheeler Lock
Wheeler Lock is a navigation lock on the Tennessee River in northern Alabama that helps vessels bypass Wheeler Dam as part of the Tennessee Valley Authority’s waterway system.
- 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: Lock O-5 Target entity description: Lock O-5 is one of the navigation locks on New York State’s Oswego Canal, used to raise and lower boats as they travel between the Erie Canal and Lake Ontario.
-
A.
Lock O-1
Lock O-1 is a navigation lock on New York State’s Oswego Canal that helps vessels transition between different water levels along the waterway.
-
B.
Lock O-4
Lock O-4 is one of the navigation locks on New York State’s Oswego Canal, used to raise and lower boats as they travel between the Erie Canal and Lake Ontario.
-
C.
Lock O-2
Lock O-2 is one of the navigation locks on New York State’s Oswego Canal, helping vessels transit between different water levels along the waterway.
-
D.
Lock O-3
Lock O-3 is one of the navigation locks on New York State’s Oswego Canal, used to raise and lower boats between different water levels along the waterway.
-
E.
Wheeler Lock
Wheeler Lock is a navigation lock on the Tennessee River in northern Alabama that helps vessels bypass Wheeler Dam as part of the Tennessee Valley Authority’s waterway system.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
canal lock
ⓘ
navigation lock ⓘ |
| accessRestriction | seasonal operation ⓘ |
| connectsNavigationSystem |
Erie Canal
ⓘ
Lake Ontario ⓘ |
| country | United States of America ⓘ |
| hasFunction | change in water level for vessels ⓘ |
| hasInfrastructureType |
civil engineering structure
ⓘ
water transport infrastructure ⓘ |
| hasLockChamberType | mechanically operated lock ⓘ |
| isPartOfRouteBetween |
Erie Canal
ⓘ
Lake Ontario ⓘ |
| locatedInHydrologicalBasin |
Great Lakes–St. Lawrence River basin
ⓘ
linked to:
Great Lakes–St. Lawrence system
|
| locatedOnWaterway | Oswego Canal ⓘ |
| operatedBy | New York State Canal Corporation ⓘ |
| ownedBy |
State of New York
ⓘ
linked to:
New York State
|
| partOf |
New York State Canal System
ⓘ
Oswego Canal ⓘ |
| state | New York ⓘ |
| usedFor |
commercial navigation
ⓘ
inland waterway navigation ⓘ lowering boats ⓘ raising boats ⓘ recreational boating ⓘ |
| waterwayTypeServed | canal ⓘ |
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: Lock O-5 Description of subject: Lock O-5 is one of the navigation locks on New York State’s Oswego Canal, used to raise and lower boats as they travel between the Erie Canal and Lake Ontario.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.