Triple

T5103587
Position Surface form Disambiguated ID Type / Status
Subject Preston railway station E115036 entity
Predicate hasStationCategory P2767 FINISHED
Object Department for Transport category B E5756 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: Department for Transport category B | Statement: [Preston railway station, hasStationCategory, Department for Transport category B]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Department for Transport category B
Context triple: [Preston railway station, hasStationCategory, Department for Transport category B]
  • A. DfT category B chosen
    DfT category B is a UK Department for Transport classification for major railway stations that handle high passenger volumes but are not the very busiest national hubs.
  • B. DfT category E
    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.
  • C. DfT category C2
    DfT category C2 is a UK Department for Transport classification denoting a medium-usage railway station with important regional significance and a moderate range of passenger facilities.
  • D. Department for Transport
    The Department for Transport is the UK government ministry responsible for national transport policy, infrastructure, and regulation across road, rail, air, and sea.
  • E. Sustrans
    Sustrans is a UK-based charity that promotes sustainable transport, best known for developing and maintaining the National Cycle Network and other walking and cycling routes.
  • 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_69bd4440b3348190be1251fd8b7951f1 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd7588c1cc81909d380f91ee214808 completed March 20, 2026, 4:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69beba9106ec8190839a7de183efa359 completed March 21, 2026, 3:34 p.m.
Created at: March 20, 2026, 1:41 p.m.