Triple

T1284706
Position Surface form Disambiguated ID Type / Status
Subject Chevrolet Impala E27407 entity
Predicate platform P1292 FINISHED
Object GM W-body (late front-wheel-drive generations)
The GM W-body (late front-wheel-drive generations) is a mid-size unibody car platform used by General Motors in the 1990s and 2000s for various front-wheel-drive sedans and coupes across its Chevrolet, Pontiac, Buick, and Oldsmobile brands.
 E147947 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 W-body (late front-wheel-drive generations) | Statement: [Chevrolet Impala, platform, GM W-body (late front-wheel-drive generations)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: GM W-body (late front-wheel-drive generations)
Context triple: [Chevrolet Impala, platform, GM W-body (late front-wheel-drive 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 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.
  • 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. 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.
  • E. Pontiac Grand Am
    The Pontiac Grand Am is a compact and later mid-size car produced by General Motors’ Pontiac division, known for its sporty styling and popularity in the 1980s and 1990s.
  • 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 W-body (late front-wheel-drive generations)
Triple: [Chevrolet Impala, platform, GM W-body (late front-wheel-drive generations)]
Generated description
The GM W-body (late front-wheel-drive generations) is a mid-size unibody car platform used by General Motors in the 1990s and 2000s for various front-wheel-drive sedans and coupes across its Chevrolet, Pontiac, Buick, and Oldsmobile brands.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: GM W-body (late front-wheel-drive generations)
Target entity description: The GM W-body (late front-wheel-drive generations) is a mid-size unibody car platform used by General Motors in the 1990s and 2000s for various front-wheel-drive sedans and coupes across its Chevrolet, Pontiac, Buick, and Oldsmobile brands.
  • 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 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.
  • 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. 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.
  • E. Pontiac Grand Am
    The Pontiac Grand Am is a compact and later mid-size car produced by General Motors’ Pontiac division, known for its sporty styling and popularity in the 1980s and 1990s.
  • 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_69acacba08f881909230c2d9459d4bc4 completed March 7, 2026, 10:54 p.m.
NEDg Description generation batch_69acad2bc82c81909ec4c314e4fe7cc7 completed March 7, 2026, 10:56 p.m.
NED2 Entity disambiguation (via description) batch_69acae0dc4708190bc3a9918391e6739 completed March 7, 2026, 11 p.m.
Created at: March 1, 2026, 7:50 p.m.