Triple

T13187502
Position Surface form Disambiguated ID Type / Status
Subject Pratt & Whitney Canada PT6T Twin‑Pac E313894 entity
Predicate hasVariant P455 FINISHED
Object PT6T‑6B
The PT6T‑6B is a specific model of Pratt & Whitney Canada's PT6T Twin‑Pac turboshaft engine series used primarily in twin-engine helicopters.
 E588916 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: PT6T‑6B | Statement: [Pratt & Whitney Canada PT6T Twin‑Pac, hasVariant, PT6T‑6B]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PT6T‑6B
Context triple: [Pratt & Whitney Canada PT6T Twin‑Pac, hasVariant, PT6T‑6B]
  • A. PT6
    PT6 is a widely used family of turboprop and turboshaft aircraft engines developed by Pratt & Whitney Canada, renowned for their reliability and versatility in civil and military aviation.
  • B. T-68
    The T-68 was an early generation light rail tram used on the Manchester Metrolink system in the UK before being superseded by newer models.
  • C. PT-796
    PT-796 is a preserved World War II-era U.S. Navy patrol torpedo boat on display as a museum vessel at Battleship Cove in Massachusetts.
  • D. T6
    T6 is a tram line within the Trambesòs light rail network serving the Barcelona metropolitan area.
  • E. T6
    T6 is a tram line serving the Lyon metropolitan area, providing urban light-rail transit through Villeurbanne and neighboring districts.
  • 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: PT6T‑6B
Triple: [Pratt & Whitney Canada PT6T Twin‑Pac, hasVariant, PT6T‑6B]
Generated description
The PT6T‑6B is a specific model of Pratt & Whitney Canada's PT6T Twin‑Pac turboshaft engine series used primarily in twin-engine helicopters.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PT6T‑6B
Target entity description: The PT6T‑6B is a specific model of Pratt & Whitney Canada's PT6T Twin‑Pac turboshaft engine series used primarily in twin-engine helicopters.
  • A. PT6 chosen
    PT6 is a widely used family of turboprop and turboshaft aircraft engines developed by Pratt & Whitney Canada, renowned for their reliability and versatility in civil and military aviation.
  • B. T-68
    The T-68 was an early generation light rail tram used on the Manchester Metrolink system in the UK before being superseded by newer models.
  • C. PT-796
    PT-796 is a preserved World War II-era U.S. Navy patrol torpedo boat on display as a museum vessel at Battleship Cove in Massachusetts.
  • D. T6
    T6 is a tram line within the Trambesòs light rail network serving the Barcelona metropolitan area.
  • E. T6
    T6 is a tram line serving the Lyon metropolitan area, providing urban light-rail transit through Villeurbanne and neighboring districts.
  • F. None of above.

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_69d806ae1e08819090d95bfe1538cc17 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98c4d60688190b34e65bbb5d4c152 completed April 10, 2026, 11:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6ff1581388190824a5377b64bd0ef completed May 3, 2026, 7:53 a.m.
NEDg Description generation batch_69f7013a368c8190a768f837f6551f5b completed May 3, 2026, 8:03 a.m.
NED2 Entity disambiguation (via description) batch_69f7038563848190ae96538e30ecafd5 completed May 3, 2026, 8:12 a.m.
Created at: April 9, 2026, 9:15 p.m.