Triple

T18836469
Position Surface form Disambiguated ID Type / Status
Subject Mandsaur railway station E460677 entity
Predicate operator P179 FINISHED
Object Western Railway — 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 Railway | Statement: [Mandsaur railway station, operator, Western Railway]

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 Railway
Context triple: [Mandsaur railway station, operator, Western Railway]
  • A. Western Railway chosen
    Western Railway is one of the major zones of Indian Railways, operating a key network of suburban and long-distance train services across western India.
  • B. South Central Railway
    South Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across parts of southern and central India.
  • C. Eastern Railway
    Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
  • D. Northern Railway
    Northern Railway is one of the largest zones of Indian Railways, overseeing extensive rail operations and infrastructure across northern India.
  • E. Northern Railway
    Northern Railway is a major rail network in Russia that serves the northern regions, including the Yamalo-Nenets Autonomous Okrug, supporting both passenger and freight transportation in harsh Arctic conditions.
  • 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_69d8dcfa11e4819090ab1ef5bdcd2b2e elicitation completed
NER batch_69e5a99e86388190957acaaab401b5cb ner completed
Created at: April 10, 2026, 11:56 a.m.