Triple
T1477021
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sault Ste. Marie Canal |
E30863
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Sault Ste. Marie Canal Emergency Swing Dam
The Sault Ste. Marie Canal Emergency Swing Dam is a historic, manually operated steel swing dam in Sault Ste. Marie, Ontario, notable as the last surviving structure of its kind and for preventing catastrophic flooding during an 1909 accident at the canal.
|
E30863
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Sault Ste. Marie Canal Emergency Swing Dam | Statement: [Sault Ste. Marie Canal, hasStructure, Sault Ste. Marie Canal Emergency Swing Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sault Ste. Marie Canal Emergency Swing Dam Context triple: [Sault Ste. Marie Canal, hasStructure, Sault Ste. Marie Canal Emergency Swing Dam]
-
A.
Sault Ste. Marie Canal Powerhouse
The Sault Ste. Marie Canal Powerhouse is a historic hydroelectric generating station that supplied power for the operation of the Sault Ste. Marie Canal in Ontario, Canada.
-
B.
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.
-
C.
Smiths Falls Locks
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.
-
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.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Sault Ste. Marie Canal Emergency Swing Dam Triple: [Sault Ste. Marie Canal, hasStructure, Sault Ste. Marie Canal Emergency Swing Dam]
Generated description
The Sault Ste. Marie Canal Emergency Swing Dam is a historic, manually operated steel swing dam in Sault Ste. Marie, Ontario, notable as the last surviving structure of its kind and for preventing catastrophic flooding during an 1909 accident at the canal.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sault Ste. Marie Canal Emergency Swing Dam Target entity description: The Sault Ste. Marie Canal Emergency Swing Dam is a historic, manually operated steel swing dam in Sault Ste. Marie, Ontario, notable as the last surviving structure of its kind and for preventing catastrophic flooding during an 1909 accident at the canal.
-
A.
Sault Ste. Marie Canal Powerhouse
The Sault Ste. Marie Canal Powerhouse is a historic hydroelectric generating station that supplied power for the operation of the Sault Ste. Marie Canal in Ontario, Canada.
-
B.
Sault Ste. Marie Canal
chosen
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.
-
C.
Smiths Falls Locks
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.
-
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.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
- F. None of above.
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69a498fe55a88190ab7f9e40ace88e49 |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c603f9e88190b340734709534860 |
completed | March 1, 2026, 11:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad232d039c8190840719485e214bfc |
completed | March 8, 2026, 7:20 a.m. |
| NEDg | Description generation | batch_69ad2399f8408190872be9c2f04644ca |
completed | March 8, 2026, 7:22 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad247476d08190827501ff5b380646 |
completed | March 8, 2026, 7:25 a.m. |
Created at: March 1, 2026, 8:11 p.m.