Triple

T21555017
Position Surface form Disambiguated ID Type / Status
Subject FGR.2 E531867 entity
Predicate powerplant P9904 FINISHED
Object Rolls-Royce Spey turbofan engine — NE NERFINISHED

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: Rolls-Royce Spey turbofan engine | Statement: [FGR.2, powerplant, Rolls-Royce Spey turbofan engine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rolls-Royce Spey turbofan engine
Context triple: [FGR.2, powerplant, Rolls-Royce Spey turbofan engine]
  • A. Rolls-Royce Spey turbofan chosen
    The Rolls-Royce Spey turbofan is a British low-bypass jet engine widely used from the 1960s in both military and civilian aircraft for its reliability and compact, efficient design.
  • B. Rolls-Royce Pegasus turbofan
    The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.
  • C. Rolls-Royce Olympus turbojet
    The Rolls-Royce Olympus turbojet is a British axial-flow jet engine best known for powering aircraft such as the Avro Vulcan bomber and later versions of the supersonic airliner Concorde.
  • D. Rolls-Royce Adour turbofan
    The Rolls-Royce Adour is a family of low-bypass turbofan engines developed for military trainer and light attack aircraft, noted for their reliability and widespread use in jets such as the SEPECAT Jaguar and BAE Systems Hawk.
  • E. Rolls-Royce Derwent turbojet
    The Rolls-Royce Derwent turbojet is a British centrifugal-flow jet engine developed during World War II that powered early jet aircraft such as the Gloster Meteor.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e0c460232c81908de2c3819d17c00e completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69eed2de1c248190b303a4a55b022374 completed April 27, 2026, 3:07 a.m.
Created at: April 16, 2026, 6:29 p.m.