Triple

T2499756
Position Surface form Disambiguated ID Type / Status
Subject Kokusai Ki-76 E52435 entity
Predicate powerplant P9904 FINISHED
Object Hitachi Ha-42 radial engine
The Hitachi Ha-42 radial engine was a Japanese air-cooled aircraft piston engine used during World War II to power light aircraft such as liaison and observation planes.
 E273325 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: Hitachi Ha-42 radial engine | Statement: [Kokusai Ki-76, powerplant, Hitachi Ha-42 radial engine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hitachi Ha-42 radial engine
Context triple: [Kokusai Ki-76, powerplant, Hitachi Ha-42 radial engine]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: Hitachi Ha-42 radial engine
Triple: [Kokusai Ki-76, powerplant, Hitachi Ha-42 radial engine]
Generated description
The Hitachi Ha-42 radial engine was a Japanese air-cooled aircraft piston engine used during World War II to power light aircraft such as liaison and observation planes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hitachi Ha-42 radial engine
Target entity description: The Hitachi Ha-42 radial engine was a Japanese air-cooled aircraft piston engine used during World War II to power light aircraft such as liaison and observation planes.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69ab4957b3a88190adf968ae0c1b931c completed March 6, 2026, 9:38 p.m.
NER Named-entity recognition batch_69abd1afd86c81909181c4b45d4f8bc5 completed March 7, 2026, 7:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69af1f9ed13c81909856db636bfb2e9e completed March 9, 2026, 7:29 p.m.
NEDg Description generation batch_69af23a305a48190b457b1b66779b90d completed March 9, 2026, 7:46 p.m.
NED2 Entity disambiguation (via description) batch_69af240855848190947190a662745b77 completed March 9, 2026, 7:48 p.m.
Created at: March 6, 2026, 9:46 p.m.