Triple

T16731919
Position Surface form Disambiguated ID Type / Status
Subject Delhi division of Northern Railway E406611 entity
Predicate zoneHeadquartersOf P82236 FINISHED
Object Northern Railway zone (New Delhi HQ lies within its area of operation) E105178 NE FINISHED

How this triple was built (3 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Northern Railway zone (New Delhi HQ lies within its area of operation) | Statement: [Delhi division of Northern Railway, zoneHeadquartersOf, Northern Railway zone (New Delhi HQ lies within its area of operation)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern Railway zone (New Delhi HQ lies within its area of operation)
Context triple: [Delhi division of Northern Railway, zoneHeadquartersOf, Northern Railway zone (New Delhi HQ lies within its area of operation)]
  • A. Northern Railway zone chosen
    The Northern Railway zone is one of the largest and oldest zones of Indian Railways, overseeing extensive rail operations across North India from its headquarters in New Delhi.
  • B. Eastern Railway zone
    The Eastern Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Kolkata, that manages a major portion of rail operations in eastern India.
  • C. Western Railway zone
    The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
  • D. Central Railway zone
    Central Railway zone is one of the major zones of Indian Railways, headquartered in Mumbai, overseeing key rail operations across Maharashtra and neighboring regions.
  • E. North Central Railway zone
    The North Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered at Prayagraj, and is a major rail network serving parts of Uttar Pradesh, Madhya Pradesh, Rajasthan, and Haryana.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: zoneHeadquartersOf
Context triple: [Delhi division of Northern Railway, zoneHeadquartersOf, Northern Railway zone (New Delhi HQ lies within its area of operation)]
  • A. zoneHeadquarter chosen
    Indicates that an entity serves as the main administrative or coordinating headquarters for a specified zone or region.
  • B. headquartersFor
    Indicates that a location serves as the main administrative center or base of operations for an organization or entity.
  • C. nearHeadquartersOf
    Indicates that one entity is located geographically close to the headquarters of another entity.
  • D. isBlockHeadquartersOf
    Indicates that a particular block serves as the main headquarters location for a specified entity.
  • E. headquartersLocation
    Indicates the place where an organization’s main administrative center or principal office is located.
  • F. None of above.

Provenance (4 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d8838f242881908abd8bc138795886 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e39c362bb88190921fab43d76c3ee8 completed April 18, 2026, 2:59 p.m.
NED1 Entity disambiguation (via context triple) batch_6a009d4a94688190aabe56c34e8cc2c3 completed May 10, 2026, 2:59 p.m.
PD Predicate disambiguation batch_69e319c807788190901250ab6e0ca55f completed April 18, 2026, 5:42 a.m.
Created at: April 10, 2026, 5:20 a.m.