Triple

T9119549
Position Surface form Disambiguated ID Type / Status
Subject 2.5L Duratec inline-4 E218808 entity
Predicate family P566 FINISHED
Object Duratec engine family E218808 NE FINISHED

How this triple was built (2 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: Duratec engine family | Statement: [2.5L Duratec inline-4, family, Duratec engine family]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Duratec engine family
Context triple: [2.5L Duratec inline-4, family, Duratec engine family]
  • A. BMC A-series engine
    The BMC A-series engine is a small-displacement inline-four petrol engine widely used in British cars from the 1950s through the 1990s, most famously powering the original Mini.
  • B. Rover K-series engine
    The Rover K-series engine is a lightweight, all-aluminum inline-four automotive engine introduced in the late 1980s, known for its innovative construction, widespread use in Rover and MG cars, and later reputation for head gasket issues.
  • C. Merlin engine family
    The Merlin engine family is a series of liquid-fueled rocket engines developed by SpaceX, primarily used to power the Falcon 9 and Falcon Heavy launch vehicles.
  • D. Rover T-series engine
    The Rover T-series engine is a 2.0-liter inline-four petrol engine produced by Rover in the 1990s, known for its robust construction and use in various Rover and MG models.
  • E. 2.5L Duratec inline-4 chosen
    The 2.5L Duratec inline-4 is a naturally aspirated four-cylinder gasoline engine from Ford’s Duratec family, known for its balance of efficiency and performance in mid-size cars.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca83dddd548190983b96c664f7f367 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cca8a902e08190a7eb4728f32b9e1d completed April 1, 2026, 5:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d030867d248190ad5b5ba3047426bb completed April 3, 2026, 9:26 p.m.
Created at: March 30, 2026, 7:17 p.m.