Triple

T22266371
Position Surface form Disambiguated ID Type / Status
Subject DfT category E station E550361 entity
Predicate partOf P40 FINISHED
Object DfT station classification system NE NERFINISHED

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: DfT station classification system | Statement: [DfT category E station, partOf, DfT station classification system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: DfT station classification system
Context triple: [DfT category E station, partOf, DfT station classification system]
  • A. DfT category E station
    A DfT category E station is a small, typically unstaffed local railway station in the UK with relatively low passenger usage and basic facilities.
  • B. National Rail zoneless system
    The National Rail zoneless system is the nationwide fare structure used across most of Britain’s mainline rail network, where ticket prices are calculated by point-to-point distance rather than by travel zones.
  • C. Lingfield railway station in real-time information systems
    Lingfield railway station in real-time information systems is a UK railway station whose live departure and arrival data are referenced using the three-letter station code LFD.
  • D. National Location Code system (station codes subset)
    The National Location Code system (station codes subset) is a standardized set of numeric identifiers used across the UK rail industry to uniquely reference individual railway stations for operational, ticketing, and accounting purposes.
  • E. DfT category E chosen
    DfT category E is a classification used by the UK Department for Transport for small, typically unstaffed or lightly staffed local railway stations with relatively low passenger usage.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e11e43d8208190aff4f9cf7f2c2a8a completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f141bc458c81909837373d749b915d completed April 28, 2026, 11:24 p.m.
Created at: April 16, 2026, 8:39 p.m.