Triple

T19626247
Position Surface form Disambiguated ID Type / Status
Subject Gnesta Station E471142 entity
Predicate railwayLine P848 FINISHED
Object Western Main Line — NE NERFINISHED

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: Western Main Line | Statement: [Gnesta Station, railwayLine, Western Main Line]

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: Western Main Line
Context triple: [Gnesta Station, railwayLine, Western Main Line]
  • A. Western Main Line chosen
    The Western Main Line is one of Sweden’s principal railway routes, connecting Stockholm with major cities to the west and south, and serving as a key corridor for both passenger and freight traffic.
  • B. Southern Main Line
    The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
  • C. New Main Line
    The New Main Line is a major 19th-century straightened canal route in Birmingham, England, engineered by Thomas Telford to improve the efficiency of the Birmingham Canal Navigations network.
  • D. Ou Main Line
    The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
  • E. Northern City Line
    The Northern City Line is a suburban commuter rail route in London running between Moorgate in the City and destinations in Hertfordshire, integrated into the National Rail network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8e511f28481909f4bc3ea9191e54a elicitation completed
NER batch_69e640e9ff208190afb33c910ed2147b ner completed
Created at: April 10, 2026, 1:44 p.m.