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.