Triple

T1284705
Position Surface form Disambiguated ID Type / Status
Subject Chevrolet Impala E27407 entity
Predicate platform P1292 FINISHED
Object GM B-body (early full-size generations)
GM B-body (early full-size generations) refers to General Motors’ full-size, rear-wheel-drive passenger car platform used from the 1950s through the mid-1970s for popular models across Chevrolet, Pontiac, Oldsmobile, and Buick.
E146332 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: GM B-body (early full-size generations) | Statement: [Chevrolet Impala, platform, GM B-body (early full-size generations)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: GM B-body (early full-size generations)
Context triple: [Chevrolet Impala, platform, GM B-body (early full-size generations)]
  • A. GM C-body
    The GM C-body was a full-size, front-wheel-drive automobile platform used by General Motors for large luxury and premium models across several of its brands.
  • B. GM H-body
    The GM H-body was a full-size, front-wheel-drive automobile platform used by General Motors for several large sedans, including models from Oldsmobile, Buick, and Pontiac.
  • C. GM F-body
    The GM F-body is General Motors' rear-wheel-drive pony car platform that underpinned multiple generations of the Chevrolet Camaro and Pontiac Firebird.
  • D. Oldsmobile 88 series
    The Oldsmobile 88 series was a long-running line of full-size American cars, especially famous in the 1950s for its powerful Rocket V8 engines and role in popularizing the muscle car concept.
  • E. Oldsmobile Cutlass
    The Oldsmobile Cutlass is a long-running line of American mid-size cars, best known for its popular 1960s–1980s models that became some of Oldsmobile’s best-selling and most recognizable vehicles.
  • 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: GM B-body (early full-size generations)
Triple: [Chevrolet Impala, platform, GM B-body (early full-size generations)]
Generated description
GM B-body (early full-size generations) refers to General Motors’ full-size, rear-wheel-drive passenger car platform used from the 1950s through the mid-1970s for popular models across Chevrolet, Pontiac, Oldsmobile, and Buick.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: GM B-body (early full-size generations)
Target entity description: GM B-body (early full-size generations) refers to General Motors’ full-size, rear-wheel-drive passenger car platform used from the 1950s through the mid-1970s for popular models across Chevrolet, Pontiac, Oldsmobile, and Buick.
  • A. GM C-body
    The GM C-body was a full-size, front-wheel-drive automobile platform used by General Motors for large luxury and premium models across several of its brands.
  • B. GM H-body
    The GM H-body was a full-size, front-wheel-drive automobile platform used by General Motors for several large sedans, including models from Oldsmobile, Buick, and Pontiac.
  • C. GM F-body
    The GM F-body is General Motors' rear-wheel-drive pony car platform that underpinned multiple generations of the Chevrolet Camaro and Pontiac Firebird.
  • D. Oldsmobile 88 series
    The Oldsmobile 88 series was a long-running line of full-size American cars, especially famous in the 1950s for its powerful Rocket V8 engines and role in popularizing the muscle car concept.
  • E. Oldsmobile Cutlass
    The Oldsmobile Cutlass is a long-running line of American mid-size cars, best known for its popular 1960s–1980s models that became some of Oldsmobile’s best-selling and most recognizable vehicles.
  • 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_69a496d4ec448190ad653b2590c46711 completed March 1, 2026, 7:43 p.m.
NER Named-entity recognition batch_69a4c0b6dda48190a2e79084adea6ec1 completed March 1, 2026, 10:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69aca3004b648190a4148b0421699bf9 completed March 7, 2026, 10:13 p.m.
NEDg Description generation batch_69aca3a539848190a17e8bd578bc237a completed March 7, 2026, 10:16 p.m.
NED2 Entity disambiguation (via description) batch_69aca4158bbc8190bd1f5799715e3e4c completed March 7, 2026, 10:17 p.m.
Created at: March 1, 2026, 7:50 p.m.