Triple

T16302879
Position Surface form Disambiguated ID Type / Status
Subject Wankel rotary engine E395833 entity
Predicate notableModel P1503 FINISHED
Object Citroën GS Birotor
The Citroën GS Birotor is a rare 1970s French compact car distinguished by its advanced hydropneumatic suspension and experimental twin-rotor Wankel rotary powertrain.
 E1206803 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: Citroën GS Birotor | Statement: [Wankel rotary engine, notableModel, Citroën GS Birotor]

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: Citroën GS Birotor
Context triple: [Wankel rotary engine, notableModel, Citroën GS Birotor]
  • A. Citroën M35
    The Citroën M35 was an experimental late-1960s French coupé built in limited numbers to test a single-rotor Wankel engine and advanced hydropneumatic suspension in real-world driving.
  • B. Citroën Rosalie
    The Citroën Rosalie is a line of early 1930s French family cars known for their streamlined styling and for bridging the gap between Citroën’s vintage models and the revolutionary Traction Avant.
  • C. Citroën CX
    The Citroën CX is a large executive car produced by the French manufacturer Citroën from the mid-1970s to the early 1990s, renowned for its aerodynamic design and advanced hydropneumatic suspension.
  • D. Citroën AX
    The Citroën AX is a small, lightweight supermini car produced by the French manufacturer Citroën from the mid-1980s to the late 1990s, known for its fuel efficiency and distinctive angular styling.
  • E. Citroën 7
    Citroën 7 is an early model of the Citroën Traction Avant, a pioneering front-wheel-drive French family car introduced in the 1930s.
  • 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: Citroën GS Birotor
Target entity description: The Citroën GS Birotor is a rare 1970s French compact car distinguished by its advanced hydropneumatic suspension and experimental twin-rotor Wankel rotary powertrain.
  • A. Citroën M35
    The Citroën M35 was an experimental late-1960s French coupé built in limited numbers to test a single-rotor Wankel engine and advanced hydropneumatic suspension in real-world driving.
  • B. Citroën Rosalie
    The Citroën Rosalie is a line of early 1930s French family cars known for their streamlined styling and for bridging the gap between Citroën’s vintage models and the revolutionary Traction Avant.
  • C. Citroën CX
    The Citroën CX is a large executive car produced by the French manufacturer Citroën from the mid-1970s to the early 1990s, renowned for its aerodynamic design and advanced hydropneumatic suspension.
  • D. Citroën AX
    The Citroën AX is a small, lightweight supermini car produced by the French manufacturer Citroën from the mid-1980s to the late 1990s, known for its fuel efficiency and distinctive angular styling.
  • E. Citroën 7
    Citroën 7 is an early model of the Citroën Traction Avant, a pioneering front-wheel-drive French family car introduced in the 1930s.
  • 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: Citroën GS Birotor
Triple: [Wankel rotary engine, notableModel, Citroën GS Birotor]
Generated description
The Citroën GS Birotor is a rare 1970s French compact car distinguished by its advanced hydropneumatic suspension and experimental twin-rotor Wankel rotary powertrain.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d87f23bb088190a16fbb91a1957ea5 elicitation completed
NER batch_69e25e3404288190a7106d62c15c3193 ner completed
NED1 batch_6a00260151908190b83f700a1c7c6419 ned_source_triple completed
NED2 batch_6a002750c490819082db2044b6a89eaa ned_description completed
NEDg batch_6a0026b6554481909ee5a4de41293d90 nedg completed
Created at: April 10, 2026, 5:06 a.m.