Triple
T4632538
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Saskatchewan River |
E101449
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object |
Walterdale Bridge (Edmonton)
Walterdale Bridge (Edmonton) is a prominent modern steel arch bridge in downtown Edmonton, Alberta, known for carrying traffic across the North Saskatchewan River and serving as a recognizable city landmark.
|
E459755
|
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: Walterdale Bridge (Edmonton) | Statement: [North Saskatchewan River, hasBridge, Walterdale Bridge (Edmonton)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Walterdale Bridge (Edmonton) Context triple: [North Saskatchewan River, hasBridge, Walterdale Bridge (Edmonton)]
-
A.
High Level Bridge (Edmonton)
The High Level Bridge in Edmonton is a historic multi-use steel truss bridge that carries road traffic, pedestrians, and a heritage streetcar high above the North Saskatchewan River, linking the city’s downtown with the south side.
-
B.
Humber Bay Arch Bridge
The Humber Bay Arch Bridge is a distinctive pedestrian and cyclist bridge in Toronto, Canada, known for its elegant twin-arch design spanning the mouth of the Humber River along the waterfront.
-
C.
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.
-
D.
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.
-
E.
Algonquin Bridge
Algonquin Bridge is a pedestrian bridge located on the Toronto Islands, providing a scenic crossing between parts of the island park 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: Walterdale Bridge (Edmonton) Triple: [North Saskatchewan River, hasBridge, Walterdale Bridge (Edmonton)]
Generated description
Walterdale Bridge (Edmonton) is a prominent modern steel arch bridge in downtown Edmonton, Alberta, known for carrying traffic across the North Saskatchewan River and serving as a recognizable city landmark.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Walterdale Bridge (Edmonton) Target entity description: Walterdale Bridge (Edmonton) is a prominent modern steel arch bridge in downtown Edmonton, Alberta, known for carrying traffic across the North Saskatchewan River and serving as a recognizable city landmark.
-
A.
High Level Bridge (Edmonton)
The High Level Bridge in Edmonton is a historic multi-use steel truss bridge that carries road traffic, pedestrians, and a heritage streetcar high above the North Saskatchewan River, linking the city’s downtown with the south side.
-
B.
Humber Bay Arch Bridge
The Humber Bay Arch Bridge is a distinctive pedestrian and cyclist bridge in Toronto, Canada, known for its elegant twin-arch design spanning the mouth of the Humber River along the waterfront.
-
C.
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.
-
D.
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.
-
E.
Algonquin Bridge
Algonquin Bridge is a pedestrian bridge located on the Toronto Islands, providing a scenic crossing between parts of the island park system.
- 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_69bd43d2f1c081908cd4b7ec48ecc73d |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd5a342ffc8190a911d0598ed230bb |
completed | March 20, 2026, 2:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be0368d2748190bc8560ecb16e1997 |
completed | March 21, 2026, 2:33 a.m. |
| NEDg | Description generation | batch_69be042adb8c8190b6889c3a5b9c18cc |
completed | March 21, 2026, 2:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be048f7d7881908ab19bd37c92b423 |
completed | March 21, 2026, 2:38 a.m. |
Created at: March 20, 2026, 1:13 p.m.