Triple

T645157
Position Surface form Disambiguated ID Type / Status
Subject Hayes, Kent, England E11224 entity
Predicate servedBy P82 FINISHED
Object Southeastern (train operating company)
Southeastern is a British train operating company providing passenger rail services across southeast London, Kent, and parts of East Sussex.
 E80629 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: Southeastern (train operating company) | Statement: [Hayes, Kent, England, servedBy, Southeastern (train operating company)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southeastern (train operating company)
Context triple: [Hayes, Kent, England, servedBy, Southeastern (train operating company)]
  • A. Northern Trains
    Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
  • B. Virgin Trains
    Virgin Trains was a British train operating company under Richard Branson’s Virgin Group brand that ran long-distance passenger rail services in the UK.
  • C. South Western Railway
    South Western Railway is a major UK train operating company providing regional and long-distance passenger rail services across southwest London, Surrey, Hampshire, Dorset, Wiltshire, Devon, and surrounding areas.
  • D. TransPennine Express
    TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
  • E. Thameslink
    Thameslink is a major British rail network providing cross-London services that connect destinations across the South East of England.
  • 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: Southeastern (train operating company)
Triple: [Hayes, Kent, England, servedBy, Southeastern (train operating company)]
Generated description
Southeastern is a British train operating company providing passenger rail services across southeast London, Kent, and parts of East Sussex.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Southeastern (train operating company)
Target entity description: Southeastern is a British train operating company providing passenger rail services across southeast London, Kent, and parts of East Sussex.
  • A. Northern Trains
    Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
  • B. Virgin Trains
    Virgin Trains was a British train operating company under Richard Branson’s Virgin Group brand that ran long-distance passenger rail services in the UK.
  • C. South Western Railway
    South Western Railway is a major UK train operating company providing regional and long-distance passenger rail services across southwest London, Surrey, Hampshire, Dorset, Wiltshire, Devon, and surrounding areas.
  • D. TransPennine Express
    TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
  • E. Thameslink
    Thameslink is a major British rail network providing cross-London services that connect destinations across the South East of England.
  • 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_69a493266a2881909daf4c40f719dee8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49f19f9a08190b0bf6e19b32427ff completed March 1, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69a57b5825a08190a528cc2034f2892f completed March 2, 2026, 11:58 a.m.
NEDg Description generation batch_69a57dbf6b1c8190981f9d85f721a7db completed March 2, 2026, 12:08 p.m.
NED2 Entity disambiguation (via description) batch_69a57e2762908190957f71686d107483 completed March 2, 2026, 12:10 p.m.
Created at: March 1, 2026, 7:36 p.m.