Triple

T18681335
Position Surface form Disambiguated ID Type / Status
Subject Caldecott Tunnel E456739 entity
Predicate hasEvent P811 FINISHED
Object 1982 Caldecott Tunnel fire NE NERFINISHED

How this triple was built (3 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: 1982 Caldecott Tunnel fire | Statement: [Caldecott Tunnel, hasEvent, 1982 Caldecott Tunnel fire]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1982 Caldecott Tunnel fire
Context triple: [Caldecott Tunnel, hasEvent, 1982 Caldecott Tunnel fire]
  • A. Primavalle fire
    The Primavalle fire was a deadly 1973 arson attack on a Rome apartment building, often cited as a key episode of political violence during Italy’s Years of Lead.
  • B. San Francisco City Hall fire
    The San Francisco City Hall fire was a dramatic blaze that heavily damaged the historic municipal building and became a memorable backdrop in the film "May Day."
  • C. 1991 Oakland-Berkeley firestorm
    The 1991 Oakland-Berkeley firestorm was a devastating urban wildfire in the San Francisco Bay Area that killed 25 people, destroyed thousands of homes, and became one of the costliest and most destructive fires in California history.
  • D. Pionirska Street fire
    The Pionirska Street fire was a notorious 1992 war crime in Višegrad, Bosnia and Herzegovina, in which dozens of Bosniak civilians were locked in a house and burned alive by Serb paramilitaries during the Bosnian War.
  • E. Tunnel fire
    The Tunnel fire refers to the devastating 1991 Oakland-Berkeley firestorm in Northern California, which rapidly destroyed thousands of homes and caused significant loss of life in the Oakland Hills.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1982 Caldecott Tunnel fire
Target entity description: The 1982 Caldecott Tunnel fire was a deadly multi-vehicle accident and ensuing blaze in an Oakland, California highway tunnel that killed seven people and led to major changes in tunnel safety regulations.
  • A. Primavalle fire
    The Primavalle fire was a deadly 1973 arson attack on a Rome apartment building, often cited as a key episode of political violence during Italy’s Years of Lead.
  • B. San Francisco City Hall fire
    The San Francisco City Hall fire was a dramatic blaze that heavily damaged the historic municipal building and became a memorable backdrop in the film "May Day."
  • C. 1991 Oakland-Berkeley firestorm
    The 1991 Oakland-Berkeley firestorm was a devastating urban wildfire in the San Francisco Bay Area that killed 25 people, destroyed thousands of homes, and became one of the costliest and most destructive fires in California history.
  • D. Pionirska Street fire
    The Pionirska Street fire was a notorious 1992 war crime in Višegrad, Bosnia and Herzegovina, in which dozens of Bosniak civilians were locked in a house and burned alive by Serb paramilitaries during the Bosnian War.
  • E. Tunnel fire
    The Tunnel fire refers to the devastating 1991 Oakland-Berkeley firestorm in Northern California, which rapidly destroyed thousands of homes and caused significant loss of life in the Oakland Hills.
  • F. None of above. chosen

Provenance (2 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_69d8d391eb488190ac2e9abf5bf255e4 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e55b2840548190ababe1cc603b4784 completed April 19, 2026, 10:46 p.m.
Created at: April 10, 2026, 11:49 a.m.