Triple

T13136220
Position Surface form Disambiguated ID Type / Status
Subject Meteor NF.11 E312090 entity
Predicate powerplant P9904 FINISHED
Object 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.
 E1023569 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: Rolls-Royce Derwent turbojet | Statement: [Meteor NF.11, powerplant, Rolls-Royce Derwent turbojet]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rolls-Royce Derwent turbojet
Context triple: [Meteor NF.11, powerplant, Rolls-Royce Derwent turbojet]
  • A. Rolls-Royce Welland turbojet
    The Rolls-Royce Welland turbojet was Britain’s first production jet engine, powering early operational jet fighters during World War II.
  • B. 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.
  • C. Rolls-Royce Spey turbofan
    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.
  • D. Rolls-Royce Viper turbojet
    The Rolls-Royce Viper turbojet is a compact British jet engine widely used in military trainers and light attack aircraft from the mid-20th century onward.
  • E. 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.
  • 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: Rolls-Royce Derwent turbojet
Triple: [Meteor NF.11, powerplant, Rolls-Royce Derwent turbojet]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rolls-Royce Derwent turbojet
Target entity description: 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.
  • A. Rolls-Royce Welland turbojet
    The Rolls-Royce Welland turbojet was Britain’s first production jet engine, powering early operational jet fighters during World War II.
  • B. 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.
  • C. Rolls-Royce Spey turbofan
    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.
  • D. Rolls-Royce Viper turbojet
    The Rolls-Royce Viper turbojet is a compact British jet engine widely used in military trainers and light attack aircraft from the mid-20th century onward.
  • E. 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.
  • 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_69d806a9fe888190b081e2d9ea665d6c completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d981b53fbc8190a0f209c32a00f6cb completed April 10, 2026, 11:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6eae08a148190af391d173f25b714 completed May 3, 2026, 6:27 a.m.
NEDg Description generation batch_69f6ed831e008190a4bab67ea94cbf22 completed May 3, 2026, 6:38 a.m.
NED2 Entity disambiguation (via description) batch_69f6ede044788190bdac73cdde57044b completed May 3, 2026, 6:40 a.m.
Created at: April 9, 2026, 9:08 p.m.