Triple

T12852295
Position Surface form Disambiguated ID Type / Status
Subject Harrow & Wealdstone railway station E307352 entity
Predicate isOnNetwork P33235 FINISHED
Object London Overground network E51947 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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 Overground network | Statement: [Harrow & Wealdstone railway station, isOnNetwork, London Overground network]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London Overground network
Context triple: [Harrow & Wealdstone railway station, isOnNetwork, London Overground network]
  • A. London Overground chosen
    London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
  • B. 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.
  • C. London Underground
    The London Underground is a rapid transit system serving Greater London and surrounding areas, famous as one of the world's oldest and most extensive metro networks.
  • D. London Underground Metropolitan line
    The London Underground Metropolitan line is one of the network’s oldest and longest lines, running from central London into the north-west suburbs and beyond into Buckinghamshire.
  • E. District line (London Underground)
    The District line is a major London Underground line running across the city from east to west, serving numerous suburban areas and key central London destinations.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d7bdf5e7cc8190be357278bc5ba3bb elicitation completed
NER batch_69d97020eacc81909357b3398d17dc49 ner completed
NED1 batch_69f7396b901c81908bfac5b40e3caed4 ned_source_triple completed
Created at: April 9, 2026, 5:36 p.m.