Triple

T14876300
Position Surface form Disambiguated ID Type / Status
Subject Hyderabad railway division E349875 entity
Predicate operator P179 FINISHED
Object Indian Railways E100843 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: Indian Railways | Statement: [Hyderabad railway division, operator, Indian Railways]

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: Indian Railways
Context triple: [Hyderabad railway division, operator, Indian Railways]
  • A. Indian Railways chosen
    Indian Railways is India’s state-owned national railway system, operating one of the world’s largest rail networks for passenger and freight transport across the country.
  • B. Rail Vikas Nigam Limited
    Rail Vikas Nigam Limited is an Indian government-owned company responsible for implementing and fast-tracking rail infrastructure and capacity enhancement projects across the Indian Railways network.
  • C. Ministry of Railways (India)
    The Ministry of Railways (India) is the central government ministry responsible for the policy, planning, development, and regulation of Indian Railways, one of the world’s largest rail networks.
  • D. Indian Railway Traffic Service
    The Indian Railway Traffic Service is a prestigious Group 'A' civil service responsible for managing the transportation, commercial operations, and safety of train services on Indian Railways.
  • E. Indian Railways Service of Engineers
    The Indian Railways Service of Engineers is a prestigious Group ‘A’ central engineering cadre responsible for planning, constructing, and maintaining the civil engineering infrastructure of Indian Railways.
  • 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_69d822ee4f408190b6ac3b2fa434f0df elicitation completed
NER batch_69ded5e3e5d48190a132f2cf012b01e2 ner completed
NED1 batch_69fe6b52c12481908d0173a2a3ed854b ned_source_triple completed
Created at: April 10, 2026, 1:55 a.m.