Triple

T22993257
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 455 E572112 entity
Predicate primaryAreaOfOperation P52790 FINISHED
Object London commuter network NE NERFINISHED

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: London commuter network | Statement: [British Rail Class 455, primaryAreaOfOperation, London commuter network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London commuter network
Context triple: [British Rail Class 455, primaryAreaOfOperation, London commuter network]
  • A. London public transport network
    The London public transport network is an integrated system of buses, trains, trams, and other services that enables urban and suburban travel across Greater London and its surrounding areas.
  • B. London suburban rail network chosen
    The London suburban rail network is a system of commuter railway lines serving Greater London and its surrounding areas, providing frequent local services that connect central London terminals with suburban districts and nearby towns.
  • C. London Thameslink network
    The London Thameslink network is a cross-London rail system that connects a wide range of suburban and regional routes through central London via a core north–south corridor.
  • D. London commuter belt
    The London commuter belt is the metropolitan region surrounding London from which large numbers of people regularly travel into the city for work, encompassing numerous suburban towns and villages connected by extensive transport links.
  • E. London Underground and Elizabeth line
    The London Underground and Elizabeth line are major rail networks in London, with the former being the city’s historic metro system and the latter a modern high-capacity cross-city railway.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e245b535808190adef8a9df3c584db completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f182f017a88190b02d0649a3af5d99 completed April 29, 2026, 4:02 a.m.
Created at: April 17, 2026, 3:50 p.m.