Triple
T4303755
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lethbridge |
E99902
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object |
Lethbridge Viaduct
The Lethbridge Viaduct, also known as the High Level Bridge, is a historic steel railway trestle in Lethbridge, Alberta, and one of the longest and highest bridges of its kind in the world.
|
E429412
|
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: Lethbridge Viaduct | Statement: [Lethbridge, hasBridge, Lethbridge Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lethbridge Viaduct Context triple: [Lethbridge, hasBridge, Lethbridge Viaduct]
-
A.
Salmon Weir Bridge
Salmon Weir Bridge is a notable bridge in Ballina, County Mayo, Ireland, best known for spanning the River Moy near its famous salmon fisheries.
-
B.
Prince Edward Viaduct
The Prince Edward Viaduct is a major multi-span bridge in Toronto, Canada, carrying both road traffic and the city’s subway across the Don Valley and connecting the city’s east and west sides.
-
C.
Pattullo Bridge
The Pattullo Bridge is a major road bridge in Metro Vancouver, British Columbia, connecting the cities of New Westminster and Surrey across the Fraser River.
-
D.
Chaudière Bridge
Chaudière Bridge is a historic bridge spanning the Ottawa River that connects the cities of Ottawa, Ontario and Gatineau, Quebec in Canada.
-
E.
Nipigon River Bridge
Nipigon River Bridge is a cable-stayed bridge in Ontario, Canada, notable for carrying the Trans-Canada Highway across the Nipigon River and serving as a key transportation link in northern Ontario.
- 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: Lethbridge Viaduct Triple: [Lethbridge, hasBridge, Lethbridge Viaduct]
Generated description
The Lethbridge Viaduct, also known as the High Level Bridge, is a historic steel railway trestle in Lethbridge, Alberta, and one of the longest and highest bridges of its kind in the world.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lethbridge Viaduct Target entity description: The Lethbridge Viaduct, also known as the High Level Bridge, is a historic steel railway trestle in Lethbridge, Alberta, and one of the longest and highest bridges of its kind in the world.
-
A.
Salmon Weir Bridge
Salmon Weir Bridge is a notable bridge in Ballina, County Mayo, Ireland, best known for spanning the River Moy near its famous salmon fisheries.
-
B.
Prince Edward Viaduct
The Prince Edward Viaduct is a major multi-span bridge in Toronto, Canada, carrying both road traffic and the city’s subway across the Don Valley and connecting the city’s east and west sides.
-
C.
Pattullo Bridge
The Pattullo Bridge is a major road bridge in Metro Vancouver, British Columbia, connecting the cities of New Westminster and Surrey across the Fraser River.
-
D.
Chaudière Bridge
Chaudière Bridge is a historic bridge spanning the Ottawa River that connects the cities of Ottawa, Ontario and Gatineau, Quebec in Canada.
-
E.
Nipigon River Bridge
Nipigon River Bridge is a cable-stayed bridge in Ontario, Canada, notable for carrying the Trans-Canada Highway across the Nipigon River and serving as a key transportation link in northern Ontario.
- F. None of above. chosen
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_69b345528ebc8190b5abc7e95094792d |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b350b792608190ac778b79c740256a |
completed | March 12, 2026, 11:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5c7507f1081909cf737dff00542d9 |
completed | March 14, 2026, 8:38 p.m. |
| NEDg | Description generation | batch_69b5c909b7848190bbe00249e0c9e555 |
completed | March 14, 2026, 8:46 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5c97117088190972bba5dbc1553f7 |
completed | March 14, 2026, 8:47 p.m. |
Created at: March 12, 2026, 11:09 p.m.