Triple

T16900496
Position Surface form Disambiguated ID Type / Status
Subject Ifield railway station E424420 entity
Predicate hasOperatorHistory P28596 FINISHED
Object London, Brighton and South Coast Railway (historical) E257426 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: London, Brighton and South Coast Railway (historical) | Statement: [Ifield railway station, hasOperatorHistory, London, Brighton and South Coast Railway (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London, Brighton and South Coast Railway (historical)
Context triple: [Ifield railway station, hasOperatorHistory, London, Brighton and South Coast Railway (historical)]
  • A. London, Brighton and South Coast Railway chosen
    The London, Brighton and South Coast Railway was a major 19th- and early 20th-century English railway company that operated routes linking London with the south coast, including key lines to Brighton and surrounding areas.
  • B. London and South Western Railway
    The London and South Western Railway was a major 19th- and early 20th-century British railway company that operated an extensive network in southwest London, Surrey, Hampshire, and the West Country, including key routes to the south coast and the port of Southampton.
  • C. London Chatham and Dover Railway
    The London Chatham and Dover Railway was a 19th-century British railway company that operated routes in southeast England, including key lines into London.
  • D. Great Western Railway
    Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
  • E. Great Western Railway
    Great Western Railway was a historic Canadian railway company that played a key role in 19th-century transportation and trade across southern Ontario and into the United States.
  • 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_69d889da3e8c8190a2b118f383f0beac completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e3c8dbc6e48190be90066b82fc61db completed April 18, 2026, 6:09 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00c7b273608190b552d8dc22bc51ef completed May 10, 2026, 6 p.m.
Created at: April 10, 2026, 5:29 a.m.