Triple

T5438006
Position Surface form Disambiguated ID Type / Status
Subject Port Chicago Naval Magazine site E122058 entity
Predicate significantEvent P259 FINISHED
Object Port Chicago disaster E122058 NE FINISHED

How this triple was built (2 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: Port Chicago disaster | Statement: [Port Chicago Naval Magazine site, significantEvent, Port Chicago disaster]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Port Chicago disaster
Context triple: [Port Chicago Naval Magazine site, significantEvent, Port Chicago disaster]
  • A. Port Chicago Naval Magazine site chosen
    The Port Chicago Naval Magazine site is a historic former U.S. Navy munitions loading facility in California, best known as the location of the deadly 1944 Port Chicago disaster and subsequent mutiny trial that influenced civil rights reforms in the military.
  • B. 1969 Santa Barbara oil spill
    The 1969 Santa Barbara oil spill was a massive offshore drilling accident off the California coast that released millions of gallons of crude oil, devastating marine and coastal ecosystems and helping catalyze the modern U.S. environmental movement.
  • C. Imo Incident
    The Imo Incident was an 1882 mutiny of Korean soldiers in Seoul that escalated into violent unrest and foreign intervention, highlighting Korea’s internal instability and vulnerability to outside powers.
  • D. Exxon Valdez oil spill
    The Exxon Valdez oil spill was a catastrophic 1989 environmental disaster in Alaska’s Prince William Sound, where a supertanker ran aground and released millions of gallons of crude oil, causing massive ecological and economic damage.
  • E. Air raid on Bari
    The Air raid on Bari was a devastating World War II German air attack on the Italian port city of Bari in December 1943, notable for causing massive ship losses and a deadly release of mustard gas.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69bd46400768819092925d461c0b8432 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd91bce47c8190b9fd23444e636cdd completed March 20, 2026, 6:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf3ad3a3d88190bacde12f515d9971 completed March 22, 2026, 12:41 a.m.
Created at: March 20, 2026, 2:07 p.m.