Triple

T10541640
Position Surface form Disambiguated ID Type / Status
Subject HMS Duncan (D37) E248707 entity
Predicate propulsion P393 FINISHED
Object Rolls-Royce WR-21 gas turbines E239660 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: Rolls-Royce WR-21 gas turbines | Statement: [HMS Duncan (D37), propulsion, Rolls-Royce WR-21 gas turbines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rolls-Royce WR-21 gas turbines
Context triple: [HMS Duncan (D37), propulsion, Rolls-Royce WR-21 gas turbines]
  • A. Rolls-Royce WR-21 gas turbine chosen
    The Rolls-Royce WR-21 is a marine gas turbine engine designed for advanced naval warships, featuring intercooler-recuperator technology to improve fuel efficiency and reduce emissions.
  • B. Rolls-Royce AE 2100
    The Rolls-Royce AE 2100 is a modern turboprop aircraft engine widely used in military and regional transport aircraft, known for its improved efficiency, power, and reliability over earlier designs.
  • C. Rolls-Royce Conway engine
    The Rolls-Royce Conway engine was the world’s first production turbofan jet engine, pioneering a more efficient generation of jet propulsion for commercial and military aircraft in the mid-20th century.
  • D. 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.
  • E. Rolls-Royce Nene engine
    The Rolls-Royce Nene engine is a pioneering late-1940s British centrifugal-flow turbojet whose powerful, compact design significantly advanced early jet aircraft performance and was widely exported and copied worldwide.
  • 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_69d381c733c08190ab1dd6239f5f34ae completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d50a5918648190b16c2d1bc1bf015f completed April 7, 2026, 1:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69d9342e6cf48190b0ca53ff2a4e0214 completed April 10, 2026, 5:32 p.m.
Created at: April 6, 2026, 12:32 p.m.