Poe Lock
E658727
Poe Lock is one of the major ship locks at the Soo Locks complex in Sault Ste. Marie, Michigan, enabling large commercial vessels to transit between Lake Superior and the lower Great Lakes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Poe Lock canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7356089 — 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: Poe Lock Context triple: [Soo Locks, hasPart, Poe Lock]
-
A.
Bosley Locks
Bosley Locks is a historic flight of canal locks in Cheshire, England, that raises the Macclesfield Canal up the side of the Bosley Cloud hill.
-
B.
Tinsley Locks
Tinsley Locks is a flight of canal locks near Sheffield, England, that raises the Sheffield and South Yorkshire Navigation from the River Don up to the city’s canal basin.
-
C.
Bobcaygeon Lock
Bobcaygeon Lock is a historic canal lock in Bobcaygeon, Ontario, that facilitates boat navigation and water level control along Canada’s Trent–Severn Waterway.
-
D.
Merrickville Locks
Merrickville Locks are a historic set of canal locks in Merrickville, Ontario, that form part of the UNESCO-listed Rideau Canal waterway.
-
E.
Fonserannes Locks
Fonserannes Locks is a historic multi-chamber lock staircase on the Canal du Midi near Béziers in southern France, renowned as one of the canal’s most impressive engineering works.
- 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: Poe Lock Target entity description: Poe Lock is one of the major ship locks at the Soo Locks complex in Sault Ste. Marie, Michigan, enabling large commercial vessels to transit between Lake Superior and the lower Great Lakes.
-
A.
Bosley Locks
Bosley Locks is a historic flight of canal locks in Cheshire, England, that raises the Macclesfield Canal up the side of the Bosley Cloud hill.
-
B.
Tinsley Locks
Tinsley Locks is a flight of canal locks near Sheffield, England, that raises the Sheffield and South Yorkshire Navigation from the River Don up to the city’s canal basin.
-
C.
Bobcaygeon Lock
Bobcaygeon Lock is a historic canal lock in Bobcaygeon, Ontario, that facilitates boat navigation and water level control along Canada’s Trent–Severn Waterway.
-
D.
Merrickville Locks
Merrickville Locks are a historic set of canal locks in Merrickville, Ontario, that form part of the UNESCO-listed Rideau Canal waterway.
-
E.
Fonserannes Locks
Fonserannes Locks is a historic multi-chamber lock staircase on the Canal du Midi near Béziers in southern France, renowned as one of the canal’s most impressive engineering works.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
canal lock
ⓘ
ship lock ⓘ |
| city | Sault Ste. Marie NERFINISHED ⓘ |
| connectsPort |
Lake Superior ports
ⓘ
lower Great Lakes ports ⓘ |
| connectsWaterBody |
Lake Superior
NERFINISHED
ⓘ
lower Great Lakes ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasAccessRestriction | primarily for large commercial vessels ⓘ |
| hasFunction | enables vessels to bypass rapids of St. Marys River ⓘ |
| hasSignificance |
critical infrastructure for U.S. steel industry supply chain
ⓘ
critical to iron ore shipments from Lake Superior ports ⓘ |
| isComponentOf |
North American Great Lakes navigation system
NERFINISHED
ⓘ
U.S. inland waterway system NERFINISHED ⓘ |
| isEngineeringStructureType | lock chamber ⓘ |
| isKeyRouteFor |
Canadian-flag lakers
ⓘ
Great Lakes bulk carriers ⓘ U.S.-flag lakers ⓘ |
| isMajorLockOf | Soo Locks NERFINISHED ⓘ |
| locatedIn |
Sault Ste. Marie, Michigan
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedOnWaterway | St. Marys River NERFINISHED ⓘ |
| namedAfter | Orlando M. Poe NERFINISHED ⓘ |
| operatedBy | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| ownedBy | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| partOf |
Great Lakes–St. Lawrence Seaway system
NERFINISHED
ⓘ
Soo Locks NERFINISHED ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| status | operational ⓘ |
| usedFor |
bulk cargo transport
ⓘ
commercial shipping ⓘ transit of lakers ⓘ transit of large freighters ⓘ transit of ocean-going vessels ⓘ |
| waterLevelChange | approximately 21 feet ⓘ |
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: Poe Lock Description of subject: Poe Lock is one of the major ship locks at the Soo Locks complex in Sault Ste. Marie, Michigan, enabling large commercial vessels to transit between Lake Superior and the lower Great Lakes.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.