Triple

T11411238
Position Surface form Disambiguated ID Type / Status
Subject 389 cu in Pontiac V8 E270375 entity
Predicate successor P78 FINISHED
Object 400 cu in Pontiac V8
The 400 cu in Pontiac V8 is a popular American V8 engine introduced in the mid-1960s, widely known for powering performance models like the GTO, Firebird, and Trans Am during the muscle car era.
E925322 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: 400 cu in Pontiac V8 | Statement: [389 cu in Pontiac V8, successor, 400 cu in Pontiac V8]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 400 cu in Pontiac V8
Context triple: [389 cu in Pontiac V8, successor, 400 cu in Pontiac V8]
  • A. 389 cu in Pontiac V8
    The 389 cu in Pontiac V8 is a classic American overhead-valve V8 engine from the late 1950s and 1960s, best known for powering early Pontiac performance models and helping launch the muscle car era.
  • B. Chevrolet 409 cubic inch V8
    The Chevrolet 409 cubic inch V8 is a legendary early-1960s big-block engine famed for its high performance and association with Chevrolet’s muscle-era full-size cars.
  • C. Ford flathead V8
    The Ford flathead V8 is an early mass-produced V8 automobile engine introduced by Ford in 1932, renowned for its simple side-valve design and major influence on hot rodding and American automotive culture.
  • D. Ford 385-series V8
    The Ford 385-series V8 is a family of big-block overhead-valve engines produced by Ford from the late 1960s through the 1990s, widely used in high-performance muscle cars and heavy-duty trucks.
  • E. 4.2 L Windsor V8 engine
    The 4.2 L Windsor V8 engine is a small-displacement variant of Ford’s Windsor V8 family, designed primarily for improved fuel economy in late-1970s and early-1980s passenger cars.
  • 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: 400 cu in Pontiac V8
Triple: [389 cu in Pontiac V8, successor, 400 cu in Pontiac V8]
Generated description
The 400 cu in Pontiac V8 is a popular American V8 engine introduced in the mid-1960s, widely known for powering performance models like the GTO, Firebird, and Trans Am during the muscle car era.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 400 cu in Pontiac V8
Target entity description: The 400 cu in Pontiac V8 is a popular American V8 engine introduced in the mid-1960s, widely known for powering performance models like the GTO, Firebird, and Trans Am during the muscle car era.
  • A. 389 cu in Pontiac V8
    The 389 cu in Pontiac V8 is a classic American overhead-valve V8 engine from the late 1950s and 1960s, best known for powering early Pontiac performance models and helping launch the muscle car era.
  • B. Chevrolet 409 cubic inch V8
    The Chevrolet 409 cubic inch V8 is a legendary early-1960s big-block engine famed for its high performance and association with Chevrolet’s muscle-era full-size cars.
  • C. Ford flathead V8
    The Ford flathead V8 is an early mass-produced V8 automobile engine introduced by Ford in 1932, renowned for its simple side-valve design and major influence on hot rodding and American automotive culture.
  • D. Ford 385-series V8
    The Ford 385-series V8 is a family of big-block overhead-valve engines produced by Ford from the late 1960s through the 1990s, widely used in high-performance muscle cars and heavy-duty trucks.
  • E. 4.2 L Windsor V8 engine
    The 4.2 L Windsor V8 engine is a small-displacement variant of Ford’s Windsor V8 family, designed primarily for improved fuel economy in late-1970s and early-1980s passenger cars.
  • 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_69d6aaddeaa8819088b30ef7b50598c9 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8015017d08190b4020c76545556d6 completed April 9, 2026, 7:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69e5b855f0508190a2e57ef9407ddb1a completed April 20, 2026, 5:23 a.m.
NEDg Description generation batch_69e5c289b5ac81909bdaec61a66f6654 completed April 20, 2026, 6:07 a.m.
NED2 Entity disambiguation (via description) batch_69e5c43f4b4c8190aeae600364d2e4ac completed April 20, 2026, 6:14 a.m.
Created at: April 8, 2026, 9:34 p.m.