Triple

T9205734
Position Surface form Disambiguated ID Type / Status
Subject West Gate Bridge E220973 entity
Predicate notableEvent P259 FINISHED
Object West Gate Bridge collapse
The West Gate Bridge collapse was a catastrophic structural failure in Melbourne, Australia, in 1970 that killed 35 workers and led to major reforms in engineering and construction safety standards.
E785863 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: West Gate Bridge collapse | Statement: [West Gate Bridge, notableEvent, West Gate Bridge collapse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Gate Bridge collapse
Context triple: [West Gate Bridge, notableEvent, West Gate Bridge collapse]
  • A. Tacoma Narrows Bridge
    The Tacoma Narrows Bridge is a pair of long-span suspension bridges in Washington State, famous for the dramatic 1940 collapse of the original span and its significance in engineering and aerodynamic design history.
  • B. Goodradigbee River Bridge
    Goodradigbee River Bridge is a roadway bridge in New South Wales, Australia, that carries traffic across the Goodradigbee River.
  • C. Aurora Bridge
    Aurora Bridge is a historic steel cantilever bridge in Seattle that carries State Route 99 over the Lake Union area, connecting the Queen Anne and Fremont neighborhoods.
  • D. Canton Viaduct
    Canton Viaduct is a historic 19th-century stone railroad viaduct in Canton, Massachusetts, notable as one of the oldest surviving multiple-arch masonry viaducts in the United States.
  • E. La Salve Bridge
    La Salve Bridge is a prominent road bridge in Bilbao, Spain, best known for its striking integration into the design of the nearby Guggenheim Museum Bilbao and its distinctive red architectural arch.
  • 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: West Gate Bridge collapse
Triple: [West Gate Bridge, notableEvent, West Gate Bridge collapse]
Generated description
The West Gate Bridge collapse was a catastrophic structural failure in Melbourne, Australia, in 1970 that killed 35 workers and led to major reforms in engineering and construction safety standards.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West Gate Bridge collapse
Target entity description: The West Gate Bridge collapse was a catastrophic structural failure in Melbourne, Australia, in 1970 that killed 35 workers and led to major reforms in engineering and construction safety standards.
  • A. Tacoma Narrows Bridge
    The Tacoma Narrows Bridge is a pair of long-span suspension bridges in Washington State, famous for the dramatic 1940 collapse of the original span and its significance in engineering and aerodynamic design history.
  • B. Goodradigbee River Bridge
    Goodradigbee River Bridge is a roadway bridge in New South Wales, Australia, that carries traffic across the Goodradigbee River.
  • C. Aurora Bridge
    Aurora Bridge is a historic steel cantilever bridge in Seattle that carries State Route 99 over the Lake Union area, connecting the Queen Anne and Fremont neighborhoods.
  • D. Canton Viaduct
    Canton Viaduct is a historic 19th-century stone railroad viaduct in Canton, Massachusetts, notable as one of the oldest surviving multiple-arch masonry viaducts in the United States.
  • E. La Salve Bridge
    La Salve Bridge is a prominent road bridge in Bilbao, Spain, best known for its striking integration into the design of the nearby Guggenheim Museum Bilbao and its distinctive red architectural arch.
  • 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_69ca83e9d0e081908bdb71097201a06c completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccd947a0a08190966f22a6207c9120 completed April 1, 2026, 8:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69d065e09fbc81908159b386038b3d73 completed April 4, 2026, 1:14 a.m.
NEDg Description generation batch_69d0676ea53c81908b16dfce6810f6b0 completed April 4, 2026, 1:20 a.m.
NED2 Entity disambiguation (via description) batch_69d0684c1a108190bc7fdfdced16e24c completed April 4, 2026, 1:24 a.m.
Created at: March 30, 2026, 7:26 p.m.