Triple

T2068569
Position Surface form Disambiguated ID Type / Status
Subject Nakajima Ki-27 E45962 entity
Predicate powerplant P9904 FINISHED
Object Nakajima Ha-1b radial engine
The Nakajima Ha-1b was a Japanese air-cooled radial aircraft engine used in pre–World War II and early-war fighters such as the Nakajima Ki-27.
 E231754 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: Nakajima Ha-1b radial engine | Statement: [Nakajima Ki-27, powerplant, Nakajima Ha-1b radial engine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nakajima Ha-1b radial engine
Context triple: [Nakajima Ki-27, powerplant, Nakajima Ha-1b radial engine]
  • A. Nakajima Sakae radial engine
    The Nakajima Sakae radial engine was a widely used Japanese air-cooled aircraft engine of World War II, best known for powering frontline Imperial Japanese Navy and Army fighters and bombers such as the Mitsubishi A6M Zero.
  • B. Mitsubishi Kinsei radial engine
    The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat aircraft.
  • C. Bristol Hercules radial engine
    The Bristol Hercules radial engine was a British air-cooled, sleeve-valve aircraft engine widely used in World War II bombers and other military aircraft for its reliability and high power output.
  • D. Bristol Pegasus radial engine
    The Bristol Pegasus radial engine was a widely used British air-cooled aircraft engine of the interwar and World War II era, powering numerous bombers and transport aircraft.
  • E. 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.
  • 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: Nakajima Ha-1b radial engine
Triple: [Nakajima Ki-27, powerplant, Nakajima Ha-1b radial engine]
Generated description
The Nakajima Ha-1b was a Japanese air-cooled radial aircraft engine used in pre–World War II and early-war fighters such as the Nakajima Ki-27.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nakajima Ha-1b radial engine
Target entity description: The Nakajima Ha-1b was a Japanese air-cooled radial aircraft engine used in pre–World War II and early-war fighters such as the Nakajima Ki-27.
  • A. Nakajima Sakae radial engine
    The Nakajima Sakae radial engine was a widely used Japanese air-cooled aircraft engine of World War II, best known for powering frontline Imperial Japanese Navy and Army fighters and bombers such as the Mitsubishi A6M Zero.
  • B. Mitsubishi Kinsei radial engine
    The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat aircraft.
  • C. Bristol Hercules radial engine
    The Bristol Hercules radial engine was a British air-cooled, sleeve-valve aircraft engine widely used in World War II bombers and other military aircraft for its reliability and high power output.
  • D. Bristol Pegasus radial engine
    The Bristol Pegasus radial engine was a widely used British air-cooled aircraft engine of the interwar and World War II era, powering numerous bombers and transport aircraft.
  • E. 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.
  • 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_69a8891b38288190abd572ccad9b6928 completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abb9f362f48190b1b0e560424c3aef completed March 7, 2026, 5:38 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae2724f46c81909521ca75185ef5f1 completed March 9, 2026, 1:49 a.m.
NEDg Description generation batch_69ae2901eb588190863e15deb8614754 completed March 9, 2026, 1:57 a.m.
NED2 Entity disambiguation (via description) batch_69ae297ebf6c819086e10ee455bea988 completed March 9, 2026, 1:59 a.m.
Created at: March 4, 2026, 7:41 p.m.