Triple

T12314684
Position Surface form Disambiguated ID Type / Status
Subject TfL Rail E293569 entity
Predicate fleetType P6198 FINISHED
Object Class 345 Aventra electric multiple unit E293571 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: Class 345 Aventra electric multiple unit | Statement: [TfL Rail, fleetType, Class 345 Aventra electric multiple unit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Class 345 Aventra electric multiple unit
Context triple: [TfL Rail, fleetType, Class 345 Aventra electric multiple unit]
  • A. Class 345 Aventra chosen
    The Class 345 Aventra is a modern electric multiple unit train built by Bombardier (now Alstom) for high-capacity, high-frequency commuter services on London’s Elizabeth line.
  • B. Class 377 electric multiple unit
    The Class 377 electric multiple unit is a modern British Electrostar commuter train widely used on suburban and regional services in the south of England.
  • C. Class 730 Aventra
    The Class 730 Aventra is a modern electric multiple unit train built by Alstom (originally Bombardier) for high-capacity, commuter and regional rail services on the UK network.
  • D. Class 710 Aventra
    The Class 710 Aventra is a modern electric multiple unit train used by London Overground for high-frequency suburban and commuter services.
  • E. Class 315 electric multiple unit
    The Class 315 electric multiple unit is a type of British suburban electric train built in the early 1980s for commuter services in and around London.
  • 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_69d6ab6a2b50819082f6aedd32ed608a completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d93f05186481909c024a933b4f6c60 completed April 10, 2026, 6:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69f62a9d50b081908f0bdb7a2ca2832a completed May 2, 2026, 4:47 p.m.
Created at: April 8, 2026, 9:53 p.m.