Triple

T16302876
Position Surface form Disambiguated ID Type / Status
Subject Wankel rotary engine E395833 entity
Predicate notableModel P1503 FINISHED
Object Mazda RX-2
The Mazda RX-2 is a compact early-1970s Japanese sports sedan and coupe renowned for its high-revving rotary performance and role in popularizing Mazda’s Wankel-powered cars worldwide.
 E1209029 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Mazda RX-2 | Statement: [Wankel rotary engine, notableModel, Mazda RX-2]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mazda RX-2
Context triple: [Wankel rotary engine, notableModel, Mazda RX-2]
  • A. Mazda RX-3
    The Mazda RX-3 is a 1970s Japanese compact sports coupe and sedan renowned for its high-revving rotary performance and success in touring car racing.
  • B. Mazda SC
    Mazda SC was a Japanese company football club owned by Mazda that later evolved into the professional J.League team Sanfrecce Hiroshima.
  • C. Mazda Cosmo Sport
    The Mazda Cosmo Sport is a pioneering late-1960s Japanese sports car best known as one of the first production vehicles powered by a Wankel rotary engine.
  • D. Mazda Axela
    The Mazda Axela is the name used in Japan for the Mazda3, a popular compact car known for its sporty handling and stylish design.
  • E. Mazda 626
    The Mazda 626 is a mid-size family car produced by the Japanese automaker Mazda from the late 1970s to the early 2000s, known for its practicality, reliability, and global popularity.
  • 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: Mazda RX-2
Target entity description: The Mazda RX-2 is a compact early-1970s Japanese sports sedan and coupe renowned for its high-revving rotary performance and role in popularizing Mazda’s Wankel-powered cars worldwide.
  • A. Mazda RX-3
    The Mazda RX-3 is a 1970s Japanese compact sports coupe and sedan renowned for its high-revving rotary performance and success in touring car racing.
  • B. Mazda SC
    Mazda SC was a Japanese company football club owned by Mazda that later evolved into the professional J.League team Sanfrecce Hiroshima.
  • C. Mazda Cosmo Sport
    The Mazda Cosmo Sport is a pioneering late-1960s Japanese sports car best known as one of the first production vehicles powered by a Wankel rotary engine.
  • D. Mazda Axela
    The Mazda Axela is the name used in Japan for the Mazda3, a popular compact car known for its sporty handling and stylish design.
  • E. Mazda 626
    The Mazda 626 is a mid-size family car produced by the Japanese automaker Mazda from the late 1970s to the early 2000s, known for its practicality, reliability, and global popularity.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Mazda RX-2
Triple: [Wankel rotary engine, notableModel, Mazda RX-2]
Generated description
The Mazda RX-2 is a compact early-1970s Japanese sports sedan and coupe renowned for its high-revving rotary performance and role in popularizing Mazda’s Wankel-powered cars worldwide.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d87f23bb088190a16fbb91a1957ea5 elicitation completed
NER batch_69e25e3404288190a7106d62c15c3193 ner completed
NED1 batch_6a002da444408190b770055d84060f4d ned_source_triple completed
NED2 batch_6a00312a4fc48190b6bd6ad9db71bb4d ned_description completed
NEDg batch_6a002ec2fd948190878af958d0b90ce6 nedg completed
Created at: April 10, 2026, 5:06 a.m.