Triple

T15314893
Position Surface form Disambiguated ID Type / Status
Subject Betchworth railway station E366129 entity
Predicate railwayLine P848 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: [Betchworth railway station, railwayLine, North Downs Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: North Downs Line
Context triple: [Betchworth railway station, railwayLine, 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. Tattenham Corner line
    The Tattenham Corner line is a suburban railway branch in South London and Surrey, England, running from Purley to Tattenham Corner and serving areas such as Banstead and Epsom Downs.
  • C. 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.
  • D. Bexleyheath Line
    The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
  • E. 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.
  • 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_69d85a113ee881908e297a1d38dd79fa completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03dd050108190a584543cb93943a4 completed April 16, 2026, 1:39 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff3d3cf84c8190a4655803b12c9721 completed May 9, 2026, 1:57 p.m.
Created at: April 10, 2026, 3:16 a.m.