Smiths Falls Locks
E165486
Smiths Falls Locks are a historic set of canal locks in Smiths Falls, Ontario, that form a key part of the Rideau Canal’s navigation and heritage infrastructure.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Smiths Falls Locks canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1375134 — 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: Smiths Falls Locks Context triple: [Rideau Canal, hasLock, Smiths Falls Locks]
-
A.
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.
-
B.
Merrickville Locks
Merrickville Locks are a historic set of canal locks in Merrickville, Ontario, that form part of the UNESCO-listed Rideau Canal waterway.
-
C.
Kingston Mills Locks
Kingston Mills Locks is a historic lockstation at the southern entrance of Canada’s Rideau Canal, known for its 19th-century engineering works and scenic setting near Kingston, Ontario.
-
D.
Welland Canal
The Welland Canal is a key Canadian shipping canal that allows vessels to bypass Niagara Falls by connecting Lake Erie with Lake Ontario as part of the St. Lawrence Seaway.
-
E.
Sault Ste. Marie Canal
The Sault Ste. Marie Canal is a historic Canadian lock and canal system in Sault Ste. Marie, Ontario, that once formed a key part of Great Lakes shipping and is now a National Historic Site.
- 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: Smiths Falls Locks Target entity description: Smiths Falls Locks are a historic set of canal locks in Smiths Falls, Ontario, that form a key part of the Rideau Canal’s navigation and heritage infrastructure.
-
A.
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.
-
B.
Merrickville Locks
Merrickville Locks are a historic set of canal locks in Merrickville, Ontario, that form part of the UNESCO-listed Rideau Canal waterway.
-
C.
Kingston Mills Locks
Kingston Mills Locks is a historic lockstation at the southern entrance of Canada’s Rideau Canal, known for its 19th-century engineering works and scenic setting near Kingston, Ontario.
-
D.
Welland Canal
The Welland Canal is a key Canadian shipping canal that allows vessels to bypass Niagara Falls by connecting Lake Erie with Lake Ontario as part of the St. Lawrence Seaway.
-
E.
Sault Ste. Marie Canal
The Sault Ste. Marie Canal is a historic Canadian lock and canal system in Sault Ste. Marie, Ontario, that once formed a key part of Great Lakes shipping and is now a National Historic Site.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
canal lock station
ⓘ
historic site ⓘ |
| architecturalStyle | 19th-century canal engineering ⓘ |
| builtFor | military and commercial transportation on Rideau Canal ⓘ |
| connectsWaterBody |
Cataraqui River
ⓘ
surface form:
Cataraqui River system
Rideau River ⓘ
surface form:
Rideau River system
|
| constructionEndDate | 1832 ⓘ |
| constructionStartDate | 1827 ⓘ |
| country | Canada ⓘ |
| currentUse |
heritage tourism
ⓘ
recreational navigation ⓘ |
| hasCulturalSignificance | symbol of Smiths Falls canal heritage ⓘ |
| hasFeature |
adjacent parkland
ⓘ
canal basin ⓘ manual lock gates ⓘ stone lock chambers ⓘ |
| hasHeritageValue |
engineering heritage
ⓘ
transportation history ⓘ |
| heritageDesignation |
National Historic Site of Canada component
ⓘ
UNESCO World Heritage Site component ⓘ |
| historicalPeriod | early 19th century ⓘ |
| locatedIn |
Ontario
ⓘ
surface form:
Ontario, Canada
Smiths Falls, Ontario ⓘ
surface form:
Smiths Falls, Ontario, Canada
|
| locatedInMunicipality |
Smiths Falls, Ontario
ⓘ
surface form:
Town of Smiths Falls
|
| locatedOnWatercourse |
Rideau Canal
ⓘ
surface form:
Rideau Canal main line
|
| maintainedBy | Parks Canada ⓘ |
| near | downtown Smiths Falls ⓘ |
| openToPublic | yes ⓘ |
| operator | Parks Canada ⓘ |
| partOf |
Rideau Canal
ⓘ
Rideau Canal ⓘ
surface form:
Rideau Canal World Heritage Site
Rideau Canal ⓘ
surface form:
Rideau Canal lock system
|
| primaryFunction |
navigation
ⓘ
water level control ⓘ |
| region | Eastern Ontario ⓘ |
| seasonalOperation | navigation season (spring to fall) ⓘ |
| touristAttraction | yes ⓘ |
| usedFor |
heritage interpretation
ⓘ
recreational boating ⓘ tourism ⓘ |
| waterway | Rideau 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: Smiths Falls Locks Description of subject: Smiths Falls Locks are a historic set of canal locks in Smiths Falls, Ontario, that form a key part of the Rideau Canal’s navigation and heritage infrastructure.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.