Triple

T4551837
Position Surface form Disambiguated ID Type / Status
Subject Reigate railway station E120382 entity
Predicate locatedOnLine P2409 FINISHED
Object North Downs Line E122271 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: North Downs Line | Statement: [Reigate railway station, locatedOnLine, North Downs Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: North Downs Line
Context triple: [Reigate railway station, locatedOnLine, North Downs Line]
  • A. North Downs Line chosen
    The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
  • B. Mole Valley line
    The Mole Valley line is a railway route in Surrey, England, running through the Mole Valley and connecting London with towns such as Leatherhead and Dorking.
  • C. Bexleyheath Line
    The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
  • D. Hounslow Loop Line
    The Hounslow Loop Line is a suburban railway route in West London that forms a loop off the South Western Main Line, providing local passenger services through areas such as Hounslow, Isleworth, and Richmond.
  • E. Oxted line
    The Oxted line is a suburban and rural railway route in southern England connecting London with towns in Surrey and Sussex, operated as part of the Southern 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_69bd4636f1648190a701445c2fcd9c17 completed March 20, 2026, 1:05 p.m.
NER Named-entity recognition batch_69bd57f7b9748190af29d02fc77b02e0 completed March 20, 2026, 2:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdb954393c8190b6ff6a5faa129d09 completed March 20, 2026, 9:17 p.m.
Created at: March 20, 2026, 1:09 p.m.