Triple

T12185494
Position Surface form Disambiguated ID Type / Status
Subject ERLAWS E290322 entity
Predicate relatedEvent P37 FINISHED
Object 1953 Tangiwai disaster
The 1953 Tangiwai disaster was one of New Zealand’s worst railway tragedies, in which a passenger train plunged into the Whangaehu River after a lahar destroyed the Tangiwai rail bridge on Christmas Eve.
E967710 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: 1953 Tangiwai disaster | Statement: [ERLAWS, relatedEvent, 1953 Tangiwai disaster]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1953 Tangiwai disaster
Context triple: [ERLAWS, relatedEvent, 1953 Tangiwai disaster]
  • A. Argonaut Mine disaster
    The Argonaut Mine disaster was a 1922 gold mine fire in Jackson, California, that killed 47 miners and became one of the deadliest hard-rock mining accidents in U.S. history.
  • B. 1979 Air New Zealand Flight 901 crash
    The 1979 Air New Zealand Flight 901 crash was a fatal sightseeing flight disaster in Antarctica in which a DC-10 airliner struck Mount Erebus, killing all 257 people on board and becoming one of New Zealand’s worst aviation tragedies.
  • C. Maheno shipwreck
    The Maheno shipwreck is the rusting remains of a former luxury ocean liner and World War I hospital ship that now serves as a prominent historic landmark and tourist attraction on the shores of Fraser Island in Queensland, Australia.
  • D. Tay Bridge disaster
    The Tay Bridge disaster was a catastrophic 1879 railway bridge collapse in Scotland during a violent storm, killing dozens of passengers and prompting major changes in bridge engineering and safety standards.
  • E. Catastro de Ensenada
    The Catastro de Ensenada was an 18th-century Spanish land and population survey that systematically recorded economic and fiscal data across much of the kingdom to reform taxation.
  • 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: 1953 Tangiwai disaster
Triple: [ERLAWS, relatedEvent, 1953 Tangiwai disaster]
Generated description
The 1953 Tangiwai disaster was one of New Zealand’s worst railway tragedies, in which a passenger train plunged into the Whangaehu River after a lahar destroyed the Tangiwai rail bridge on Christmas Eve.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1953 Tangiwai disaster
Target entity description: The 1953 Tangiwai disaster was one of New Zealand’s worst railway tragedies, in which a passenger train plunged into the Whangaehu River after a lahar destroyed the Tangiwai rail bridge on Christmas Eve.
  • A. Argonaut Mine disaster
    The Argonaut Mine disaster was a 1922 gold mine fire in Jackson, California, that killed 47 miners and became one of the deadliest hard-rock mining accidents in U.S. history.
  • B. 1979 Air New Zealand Flight 901 crash
    The 1979 Air New Zealand Flight 901 crash was a fatal sightseeing flight disaster in Antarctica in which a DC-10 airliner struck Mount Erebus, killing all 257 people on board and becoming one of New Zealand’s worst aviation tragedies.
  • C. Maheno shipwreck
    The Maheno shipwreck is the rusting remains of a former luxury ocean liner and World War I hospital ship that now serves as a prominent historic landmark and tourist attraction on the shores of Fraser Island in Queensland, Australia.
  • D. Tay Bridge disaster
    The Tay Bridge disaster was a catastrophic 1879 railway bridge collapse in Scotland during a violent storm, killing dozens of passengers and prompting major changes in bridge engineering and safety standards.
  • E. Catastro de Ensenada
    The Catastro de Ensenada was an 18th-century Spanish land and population survey that systematically recorded economic and fiscal data across much of the kingdom to reform taxation.
  • 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_69d6ab64de5881908d56eb7a75c6cc69 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d915ffe644819085f4eb64802fe349 completed April 10, 2026, 3:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f6aecb0881909084f3ff2a9e52ea completed May 2, 2026, 1:05 p.m.
NEDg Description generation batch_69f600b7e1788190b1df4fdfd96118d0 completed May 2, 2026, 1:48 p.m.
NED2 Entity disambiguation (via description) batch_69f604c4ef7c8190bc128b1aa535744d completed May 2, 2026, 2:05 p.m.
Created at: April 8, 2026, 9:50 p.m.