Triple

T18592483
Position Surface form Disambiguated ID Type / Status
Subject Nakajima Ki-49 Donryu E454403 entity
Predicate powerplant P9904 FINISHED
Object Nakajima Ha-41 radial engine
The Nakajima Ha-41 was a Japanese air-cooled radial aircraft engine of the World War II era, used to power several Imperial Japanese Army bombers and fighters.
 E1332156 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-41 radial engine | Statement: [Nakajima Ki-49 Donryu, powerplant, Nakajima Ha-41 radial engine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nakajima Ha-41 radial engine
Context triple: [Nakajima Ki-49 Donryu, powerplant, Nakajima Ha-41 radial engine]
  • A. Nakajima Ha-45 radial engine
    The Nakajima Ha-45 was a powerful Japanese air-cooled radial aircraft engine of World War II, used in several late-war fighters and known for its high output and compact design.
  • B. Nakajima Ha-5 radial engine
    The Nakajima Ha-5 was a Japanese air-cooled radial aircraft engine of the 1930s, used to power several early World War II Imperial Japanese Army bombers and transports.
  • C. Nakajima Ha-25 radial engine
    The Nakajima Ha-25 was a Japanese air-cooled radial aircraft engine widely used in World War II fighters, noted for its reliability and compact design.
  • D. 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.
  • E. Mitsubishi Ha-104 radial engine
    The Mitsubishi Ha-104 was a Japanese World War II-era twin-row, 18-cylinder air-cooled radial aircraft engine used to power several Imperial Japanese Army bombers and other combat 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-41 radial engine
Triple: [Nakajima Ki-49 Donryu, powerplant, Nakajima Ha-41 radial engine]
Generated description
The Nakajima Ha-41 was a Japanese air-cooled radial aircraft engine of the World War II era, used to power several Imperial Japanese Army bombers and fighters.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nakajima Ha-41 radial engine
Target entity description: The Nakajima Ha-41 was a Japanese air-cooled radial aircraft engine of the World War II era, used to power several Imperial Japanese Army bombers and fighters.
  • A. Nakajima Ha-45 radial engine
    The Nakajima Ha-45 was a powerful Japanese air-cooled radial aircraft engine of World War II, used in several late-war fighters and known for its high output and compact design.
  • B. Nakajima Ha-5 radial engine
    The Nakajima Ha-5 was a Japanese air-cooled radial aircraft engine of the 1930s, used to power several early World War II Imperial Japanese Army bombers and transports.
  • C. Nakajima Ha-25 radial engine
    The Nakajima Ha-25 was a Japanese air-cooled radial aircraft engine widely used in World War II fighters, noted for its reliability and compact design.
  • D. 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.
  • E. Mitsubishi Ha-104 radial engine
    The Mitsubishi Ha-104 was a Japanese World War II-era twin-row, 18-cylinder air-cooled radial aircraft engine used to power several Imperial Japanese Army bombers and other combat 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_69d8d38ae7e081908a98df1251842402 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e545b6792481908eae92718aa4c889 completed April 19, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_6a04f898b59481909aa72291b24a4cd0 completed May 13, 2026, 10:18 p.m.
NEDg Description generation batch_6a04fc705b3481908bea3e5f6ce33f1e completed May 13, 2026, 10:34 p.m.
NED2 Entity disambiguation (via description) batch_6a04fcc66ddc819094d427390e7c3774 completed May 13, 2026, 10:35 p.m.
Created at: April 10, 2026, 11:44 a.m.