Triple

T5748818
Position Surface form Disambiguated ID Type / Status
Subject Redhill railway station E126798 entity
Predicate locatedOnLine P2409 FINISHED
Object Redhill–Tonbridge line
The Redhill–Tonbridge line is a regional railway route in southeast England that connects the towns of Redhill and Tonbridge, forming part of the suburban and commuter rail network south of London.
E551193 NE FINISHED

How this triple was built (4 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: Redhill–Tonbridge line | Statement: [Redhill railway station, locatedOnLine, Redhill–Tonbridge line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Redhill–Tonbridge line
Context triple: [Redhill railway station, locatedOnLine, Redhill–Tonbridge line]
  • A. 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.
  • B. North Downs Line
    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.
  • C. 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.
  • D. 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.
  • E. Bexleyheath Line
    The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Redhill–Tonbridge line
Triple: [Redhill railway station, locatedOnLine, Redhill–Tonbridge line]
Generated description
The Redhill–Tonbridge line is a regional railway route in southeast England that connects the towns of Redhill and Tonbridge, forming part of the suburban and commuter rail network south of London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Redhill–Tonbridge line
Target entity description: The Redhill–Tonbridge line is a regional railway route in southeast England that connects the towns of Redhill and Tonbridge, forming part of the suburban and commuter rail network south of London.
  • A. 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.
  • B. North Downs Line
    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.
  • C. 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.
  • D. 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.
  • E. Bexleyheath Line
    The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
  • F. None of above. chosen

Provenance (5 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_69c00832aedc81909899801b141fa3b4 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02887496c8190b1b9c8dda0d561ef completed March 22, 2026, 5:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0a167f2508190a8dd507f237e771b completed March 23, 2026, 2:11 a.m.
NEDg Description generation batch_69c0a2463cb08190aa5976ebd62c30d6 completed March 23, 2026, 2:15 a.m.
NED2 Entity disambiguation (via description) batch_69c0a2afcef88190a77c8089a1b85393 completed March 23, 2026, 2:17 a.m.
Created at: March 22, 2026, 3:48 p.m.