Triple

T4588121
Position Surface form Disambiguated ID Type / Status
Subject Tattenham Corner railway station E103417 entity
Predicate servedBy P82 FINISHED
Object London Bridge–Tattenham Corner services
London Bridge–Tattenham Corner services are a suburban rail route in South London and Surrey linking central London’s London Bridge station with Tattenham Corner via intermediate commuter stops.
E455417 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: London Bridge–Tattenham Corner services | Statement: [Tattenham Corner railway station, servedBy, London Bridge–Tattenham Corner services]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Bridge–Tattenham Corner services
Context triple: [Tattenham Corner railway station, servedBy, London Bridge–Tattenham Corner services]
  • A. 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.
  • B. 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.
  • C. Sidcup Line
    The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
  • D. South London Line
    The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
  • E. West London line
    The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
  • 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: London Bridge–Tattenham Corner services
Triple: [Tattenham Corner railway station, servedBy, London Bridge–Tattenham Corner services]
Generated description
London Bridge–Tattenham Corner services are a suburban rail route in South London and Surrey linking central London’s London Bridge station with Tattenham Corner via intermediate commuter stops.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London Bridge–Tattenham Corner services
Target entity description: London Bridge–Tattenham Corner services are a suburban rail route in South London and Surrey linking central London’s London Bridge station with Tattenham Corner via intermediate commuter stops.
  • A. Tattenham Corner line chosen
    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.
  • B. 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.
  • C. Sidcup Line
    The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
  • D. South London Line
    The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
  • E. West London line
    The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
  • F. None of above.

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_69bd43dccaf08190aa89e9991a289719 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd592115fc8190b1aee1d8bbaf1ee3 completed March 20, 2026, 2:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdfa33103081909e83155f712b821f completed March 21, 2026, 1:53 a.m.
NEDg Description generation batch_69bdfc87fd3881909f072cd85d6b58c2 completed March 21, 2026, 2:03 a.m.
NED2 Entity disambiguation (via description) batch_69bdfcfb3de08190b9345e36c5c0c01c completed March 21, 2026, 2:05 a.m.
Created at: March 20, 2026, 1:11 p.m.