Triple

T9525769
Position Surface form Disambiguated ID Type / Status
Subject Dambusters Raid sites E229755 entity
Predicate attackedByAircraftType P1524 FINISHED
Object Avro Lancaster E29504 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Avro Lancaster | Statement: [Dambusters Raid sites, attackedByAircraftType, Avro Lancaster]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Avro Lancaster
Context triple: [Dambusters Raid sites, attackedByAircraftType, Avro Lancaster]
  • A. Avro Lancaster chosen
    The Avro Lancaster was a British four‑engined heavy bomber of World War II, renowned for its night bombing raids and precision attacks such as the famous "Dambusters" mission.
  • B. Avro Lincoln
    The Avro Lincoln was a British four‑engined heavy bomber developed in the final stages of World War II and used into the early Cold War era.
  • C. Vickers Wellington
    The Vickers Wellington was a British twin‑engine medium bomber widely used by the Royal Air Force during the early years of World War II, noted for its geodetic airframe construction and extensive service in night bombing and maritime roles.
  • D. Handley Page Halifax
    The Handley Page Halifax was a British four‑engined heavy bomber used extensively by the Royal Air Force during World War II for strategic bombing, maritime patrol, and special operations.
  • E. Avro York aircraft
    The Avro York aircraft was a British four‑engined transport plane derived from the Lancaster bomber and widely used for military and civil airlift operations in the 1940s and 1950s.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: attackedByAircraftType
Context triple: [Dambusters Raid sites, attackedByAircraftType, Avro Lancaster]
  • A. attackingAircraftOrigin
    Indicates that one entity is the place or source from which an attacking aircraft originates.
  • B. opponentAircraft
    Indicates that one aircraft is an adversary or opposing aircraft relative to another in a conflict or competitive context.
  • C. targetedAircraft
    Indicates that one entity has selected or designated an aircraft as the object of an attack, tracking, or other directed action.
  • D. aircraftType chosen
    Indicates the specific model or category of aircraft associated with an entity or event.
  • E. intendedAircraft
    Indicates that an aircraft is the one planned or designated to be used for a particular flight, mission, or operation.
  • F. None of above.

Provenance (4 batches)

Stage Batch ID Job type Status
creating batch_69ca847870a881909d8d751a7d29da39 elicitation completed
NER batch_69cd989b529c81909ee18dd3d468c816 ner completed
NED1 batch_69d1527253588190ac365203ef382a2d ned_source_triple completed
PD batch_69cca56a3d088190bdc16670678fb6c6 pd completed
Created at: March 30, 2026, 7:59 p.m.