Triple

T8352311
Position Surface form Disambiguated ID Type / Status
Subject Liluah railway yard E196590 entity
Predicate division P889 FINISHED
Object Howrah railway division E196583 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: Howrah railway division | Statement: [Liluah railway yard, division, Howrah railway division]

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: Howrah railway division
Context triple: [Liluah railway yard, division, Howrah railway division]
  • A. Howrah railway division chosen
    Howrah railway division is a major administrative division of Indian Railways under the Eastern Railway zone, overseeing railway operations and infrastructure centered around Howrah in West Bengal.
  • B. Sealdah railway division
    Sealdah railway division is a major administrative and operational division of Indian Railways based in Kolkata, serving one of the busiest suburban and long-distance rail networks in eastern India.
  • C. Alipurduar railway division
    Alipurduar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Alipurduar region of West Bengal.
  • D. Malda railway division
    Malda railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Malda region of West Bengal.
  • E. Katihar railway division
    Katihar railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in and around Katihar in eastern India.
  • 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_69ca82f08b348190bfb7881944bbff6f elicitation completed
NER batch_69cb80460f048190aa298ddffde1047d ner completed
NED1 batch_69cea805b8bc8190924dcf2ab51ba1e7 ned_source_triple completed
Created at: March 30, 2026, 5:59 p.m.