Triple

T10309363
Position Surface form Disambiguated ID Type / Status
Subject Birmingham New Street to Hereford E241845 entity
Predicate rollingStock P1305 FINISHED
Object Class 150 diesel multiple unit E549675 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 150 diesel multiple unit | Statement: [Birmingham New Street to Hereford, rollingStock, Class 150 diesel multiple unit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Class 150 diesel multiple unit
Context triple: [Birmingham New Street to Hereford, rollingStock, Class 150 diesel multiple unit]
  • A. Class 150 diesel multiple unit chosen
    The Class 150 diesel multiple unit is a British two- or three-car regional passenger train introduced in the 1980s and widely used on local and suburban services across the UK rail network.
  • B. Class 153 diesel multiple unit
    The Class 153 diesel multiple unit is a single-car British regional train used primarily for local and rural passenger services on non-electrified lines.
  • C. Class 156 diesel multiple unit
    The Class 156 diesel multiple unit is a British two-car regional train type introduced in the late 1980s for local and medium-distance passenger services.
  • D. Class 158 diesel multiple unit
    The Class 158 diesel multiple unit is a British regional passenger train built in the late 1980s and early 1990s, known for its air-conditioned interiors and use on longer-distance services across the UK rail network.
  • E. Class 170 diesel multiple unit
    The Class 170 diesel multiple unit is a British Turbostar family regional train used extensively for passenger services across the UK rail network.
  • 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_69d381ac38808190a8ca7457c85b625b completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4d32a18ac81909b4efd8c1ba3e113 completed April 7, 2026, 9:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69d7502f7b308190aaefd62f2f8a0ac3 completed April 9, 2026, 7:07 a.m.
Created at: April 6, 2026, 11:47 a.m.