Lockport Lock and Dam
E361416
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lockport Lock and Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3472428 — 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: Lockport Lock and Dam Context triple: [Chicago Sanitary and Ship Canal, hasLock, Lockport Lock and Dam]
-
A.
Murray Lock and Dam
Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
-
B.
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.
-
C.
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.
-
D.
Dardanelle Lock and Dam
Dardanelle Lock and Dam is a major navigation and hydroelectric structure on the Arkansas River in Arkansas, forming part of the McClellan–Kerr Arkansas River Navigation System.
-
E.
Merrickville Locks
Merrickville Locks are a historic set of canal locks in Merrickville, Ontario, that form part of the UNESCO-listed Rideau Canal waterway.
- 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: Lockport Lock and Dam Target entity description: 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.
-
A.
Murray Lock and Dam
Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
-
B.
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.
-
C.
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.
-
D.
Dardanelle Lock and Dam
Dardanelle Lock and Dam is a major navigation and hydroelectric structure on the Arkansas River in Arkansas, forming part of the McClellan–Kerr Arkansas River Navigation System.
-
E.
Merrickville Locks
Merrickville Locks are a historic set of canal locks in Merrickville, Ontario, that form part of the UNESCO-listed Rideau Canal waterway.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
lock and dam complex ⓘ navigation lock ⓘ |
| aids | navigation on the Chicago Sanitary and Ship Canal ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| controls | water levels on the Chicago Sanitary and Ship Canal ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasFunction |
regulation of canal discharge to the Des Plaines River
ⓘ
support of barge traffic ⓘ support of commercial navigation ⓘ |
| helpsManage |
flood flows between the Chicago area and the Des Plaines River
ⓘ
wastewater flows between the Chicago area and the Des Plaines River ⓘ |
| isComponentOf |
Chicago Sanitary and Ship Canal
ⓘ
surface form:
Chicago Sanitary and Ship Canal infrastructure
|
| locatedIn |
Illinois
ⓘ
Lockport, Illinois area ⓘ
surface form:
Lockport, Illinois
United States of America ⓘ
surface form:
United States
Will County, Illinois ⓘ |
| locatedNear | city of Lockport ⓘ |
| locatedOnWaterway | Chicago Sanitary and Ship Canal ⓘ |
| maintainedBy |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| managesFlowBetween |
Chicago metropolitan area
ⓘ
Des Plaines River ⓘ |
| operator |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| partOf | Chicago Area Waterway System ⓘ |
| purpose |
flood control
ⓘ
navigation ⓘ wastewater management ⓘ water level control ⓘ |
| regionServed | Chicago metropolitan area ⓘ |
| watercourseDownstream | Des Plaines River ⓘ |
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: Lockport Lock and Dam Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.