Triple

T20539111
Position Surface form Disambiguated ID Type / Status
Subject Douglas DC-5 E504278 entity
Predicate powerplant P9904 FINISHED
Object Pratt & Whitney R-1820 radial engine — 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: Pratt & Whitney R-1820 radial engine | Statement: [Douglas DC-5, powerplant, Pratt & Whitney R-1820 radial engine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pratt & Whitney R-1820 radial engine
Context triple: [Douglas DC-5, powerplant, Pratt & Whitney R-1820 radial engine]
  • A. Pratt & Whitney R-1830 Twin Wasp radial engine
    The Pratt & Whitney R-1830 Twin Wasp is a widely used American 14-cylinder air-cooled radial aircraft engine of the World War II era, powering numerous fighters, bombers, and transport aircraft.
  • B. Wright R-1820 radial engine
    The Wright R-1820 radial engine is a widely used American air-cooled, nine-cylinder aircraft engine that powered numerous military and civilian aircraft from the 1930s through World War II and beyond.
  • C. Pratt & Whitney Wasp radial engine
    The Pratt & Whitney Wasp radial engine is a pioneering air-cooled aircraft engine introduced in the 1920s, renowned for its reliability and widespread use in early commercial and military airplanes.
  • D. Pratt & Whitney R-1535 Twin Wasp Junior radial engine
    The Pratt & Whitney R-1535 Twin Wasp Junior is a 14-cylinder, air-cooled radial aircraft engine developed in the 1930s, widely used in high-performance racing and military aircraft of its era.
  • E. Wright R-3350 Duplex-Cyclone radial engine
    The Wright R-3350 Duplex-Cyclone is a powerful American 18-cylinder air-cooled radial aircraft engine widely used in World War II and early postwar bombers and airliners.
  • 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: Pratt & Whitney R-1820 radial engine
Target entity description: The Pratt & Whitney R-1820 is a single-row, nine-cylinder air-cooled radial aircraft engine widely used in many American military and civilian aircraft from the 1930s through World War II.
  • A. Pratt & Whitney R-1830 Twin Wasp radial engine
    The Pratt & Whitney R-1830 Twin Wasp is a widely used American 14-cylinder air-cooled radial aircraft engine of the World War II era, powering numerous fighters, bombers, and transport aircraft.
  • B. Wright R-1820 radial engine
    The Wright R-1820 radial engine is a widely used American air-cooled, nine-cylinder aircraft engine that powered numerous military and civilian aircraft from the 1930s through World War II and beyond.
  • C. Pratt & Whitney Wasp radial engine
    The Pratt & Whitney Wasp radial engine is a pioneering air-cooled aircraft engine introduced in the 1920s, renowned for its reliability and widespread use in early commercial and military airplanes.
  • D. Pratt & Whitney R-1535 Twin Wasp Junior radial engine
    The Pratt & Whitney R-1535 Twin Wasp Junior is a 14-cylinder, air-cooled radial aircraft engine developed in the 1930s, widely used in high-performance racing and military aircraft of its era.
  • E. Wright R-3350 Duplex-Cyclone radial engine
    The Wright R-3350 Duplex-Cyclone is a powerful American 18-cylinder air-cooled radial aircraft engine widely used in World War II and early postwar bombers and airliners.
  • 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_69e0b4b476648190bc6019622ae54d3c completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a290bd8c819091988f511fb5820b completed April 20, 2026, 10:02 p.m.
Created at: April 16, 2026, 11:37 a.m.