Triple

T23013860
Position Surface form Disambiguated ID Type / Status
Subject Stonegate railway station E572977 entity
Predicate serviceOperator P5884 FINISHED
Object Southern Class 377 Electrostar electric units E1075855 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: Southern Class 377 Electrostar electric units | Statement: [Stonegate railway station, serviceOperator, Southern Class 377 Electrostar electric units]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southern Class 377 Electrostar electric units
Context triple: [Stonegate railway station, serviceOperator, Southern Class 377 Electrostar electric units]
  • A. Southern Class 377 EMUs chosen
    Southern Class 377 EMUs are a fleet of modern electric multiple-unit commuter trains operated by Southern on suburban and regional routes in southeast England.
  • B. Southern Class 313 EMUs
    Southern Class 313 EMUs are dual-voltage electric multiple-unit trains used for suburban and commuter services in the Southern region of the UK rail network.
  • C. British Rail Class 321 electric multiple units
    The British Rail Class 321 electric multiple units are a series of suburban and commuter trains introduced in the late 1980s for use on electrified routes in the UK, known for their widespread service in the south-east of England and East Anglia.
  • D. British Rail Class 317 electric multiple units
    The British Rail Class 317 electric multiple units are a series of suburban electric trains introduced in the early 1980s for commuter services around London, known for their steel-bodied Mark 3–derived design and long service life.
  • E. British Rail Class 318 electric multiple units
    The British Rail Class 318 electric multiple units are suburban EMU trains introduced in the mid-1980s for commuter services around Glasgow, Scotland, featuring steel-bodied construction and 25 kV AC overhead electrification.
  • 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_69e245b764cc8190a51be76f1d9611e1 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f183e300008190bb12c6388a8b3280 completed April 29, 2026, 4:06 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c159dd33881909a7cf4c1c218ba33 completed May 19, 2026, 7:47 a.m.
Created at: April 17, 2026, 3:51 p.m.