MacArthur Lock
E660485
MacArthur Lock is one of the major ship locks at the Soo Locks complex in Sault Ste. Marie, Michigan, enabling large vessels to transit between Lake Superior and the lower Great Lakes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MacArthur Lock canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7356090 — 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: MacArthur Lock Context triple: [Soo Locks, hasPart, MacArthur 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.
Ballard Locks
Ballard Locks, officially known as the Hiram M. Chittenden Locks, is a major lock system in Seattle that manages boat traffic and water levels between the freshwater lakes and the saltwater Puget Sound.
-
C.
Poe Lock
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.
-
D.
Jones Falls Locks
Jones Falls Locks is a historic flight of canal locks on the Rideau Canal in Ontario, Canada, known for its impressive 19th-century engineering and scenic setting.
-
E.
Lockport Lock and Dam
Lockport Lock and Dam is a major lock and dam complex on the Chicago Sanitary and Ship Canal that controls water levels, aids navigation, and helps manage flood and wastewater flows between the Chicago area and the Des Plaines 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: MacArthur Lock Target entity description: MacArthur Lock is one of the major ship locks at the Soo Locks complex in Sault Ste. Marie, Michigan, enabling large 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.
Ballard Locks
Ballard Locks, officially known as the Hiram M. Chittenden Locks, is a major lock system in Seattle that manages boat traffic and water levels between the freshwater lakes and the saltwater Puget Sound.
-
C.
Poe Lock
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.
-
D.
Jones Falls Locks
Jones Falls Locks is a historic flight of canal locks on the Rideau Canal in Ontario, Canada, known for its impressive 19th-century engineering and scenic setting.
-
E.
Lockport Lock and Dam
Lockport Lock and Dam is a major lock and dam complex on the Chicago Sanitary and Ship Canal that controls water levels, aids navigation, and helps manage flood and wastewater flows between the Chicago area and the Des Plaines River.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
navigation infrastructure
ⓘ
ship lock ⓘ |
| administeredBy | U.S. Army Corps of Engineers Detroit District NERFINISHED ⓘ |
| city | Sault Ste. Marie NERFINISHED ⓘ |
| connectsWaterBody |
Lake Superior
NERFINISHED
ⓘ
lower Great Lakes ⓘ |
| constructionStartDate | 1941 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasFunction | raises and lowers ships between differing water levels ⓘ |
| hasHeritage | World War II era infrastructure ⓘ |
| isMajorLockInComplex | Soo Locks NERFINISHED ⓘ |
| isOneOf | major locks at Soo Locks complex ⓘ |
| length | 800 feet ⓘ |
| locatedIn |
Sault Ste. Marie, Michigan
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedNear |
Canadian border
NERFINISHED
ⓘ
Sault Ste. Marie, Ontario NERFINISHED ⓘ |
| locatedOnWaterway | St. Marys River NERFINISHED ⓘ |
| namedAfter | Douglas MacArthur NERFINISHED ⓘ |
| openingDate | 1943 ⓘ |
| operator | 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 ⓘ |
| purpose |
commercial navigation
ⓘ
enables transit of large vessels between Lake Superior and lower Great Lakes ⓘ |
| regionServed | Great Lakes NERFINISHED ⓘ |
| servesVesselType |
bulk carriers
ⓘ
freighters ⓘ lake freighters ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| status | operational ⓘ |
| usableLength | 800 feet ⓘ |
| usableWidth | 80 feet ⓘ |
| waterway | St. Marys River navigation channel ⓘ |
| width | 80 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: MacArthur Lock Description of subject: MacArthur Lock is one of the major ship locks at the Soo Locks complex in Sault Ste. Marie, Michigan, enabling large vessels to transit between Lake Superior and the lower Great Lakes.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.