Triple

T4632537
Position Surface form Disambiguated ID Type / Status
Subject North Saskatchewan River E101449 entity
Predicate hasBridge P386 FINISHED
Object 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.
E456631 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: High Level Bridge (Edmonton) | Statement: [North Saskatchewan River, hasBridge, High Level Bridge (Edmonton)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: High Level Bridge (Edmonton)
Context triple: [North Saskatchewan River, hasBridge, High Level Bridge (Edmonton)]
  • A. 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.
  • B. Spences Bridge, British Columbia
    Spences Bridge, British Columbia is a small rural community in the Thompson-Nicola region known for its historic role as a railway and ranching settlement and its location at the confluence of the Thompson and Nicola Rivers.
  • C. Calgary–Edmonton Corridor
    The Calgary–Edmonton Corridor is a major urban and economic region in Alberta, Canada, stretching between the cities of Calgary and Edmonton and encompassing several growing communities along its route.
  • D. Lougheed Highway
    Lougheed Highway is a major east–west arterial route in Metro Vancouver, British Columbia, connecting several municipalities and serving as an important commuter and commercial corridor.
  • E. 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.
  • 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: High Level Bridge (Edmonton)
Triple: [North Saskatchewan River, hasBridge, High Level Bridge (Edmonton)]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: High Level Bridge (Edmonton)
Target entity description: 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.
  • A. 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.
  • B. Spences Bridge, British Columbia
    Spences Bridge, British Columbia is a small rural community in the Thompson-Nicola region known for its historic role as a railway and ranching settlement and its location at the confluence of the Thompson and Nicola Rivers.
  • C. Calgary–Edmonton Corridor
    The Calgary–Edmonton Corridor is a major urban and economic region in Alberta, Canada, stretching between the cities of Calgary and Edmonton and encompassing several growing communities along its route.
  • D. Lougheed Highway
    Lougheed Highway is a major east–west arterial route in Metro Vancouver, British Columbia, connecting several municipalities and serving as an important commuter and commercial corridor.
  • E. 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.
  • 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_69bdfabeba3c8190b6515b99746f62a6 completed March 21, 2026, 1:56 a.m.
NEDg Description generation batch_69bdfb70b9d48190a32c5cc753c45aab completed March 21, 2026, 1:59 a.m.
NED2 Entity disambiguation (via description) batch_69bdfc54e194819080b1eb5b9f0dfe9e completed March 21, 2026, 2:03 a.m.
Created at: March 20, 2026, 1:13 p.m.