Triple

T1029881
Position Surface form Disambiguated ID Type / Status
Subject Jhansi E22224 entity
Predicate hasRailwayZone P24188 FINISHED
Object 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.
E119673 NE FINISHED

How this triple was built (5 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: North Central Railway zone | Statement: [Jhansi, hasRailwayZone, North Central Railway zone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North Central Railway zone
Context triple: [Jhansi, hasRailwayZone, North Central Railway zone]
  • A. West Central Railway zone
    West Central Railway zone is one of the zones of Indian Railways, headquartered in Jabalpur, that manages and operates rail services across parts of central India.
  • B. 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.
  • C. Northern Railway zone
    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.
  • D. Rajkot railway division
    Rajkot railway division is an administrative division of Indian Railways’ Western Railway zone responsible for managing railway operations and infrastructure in and around Rajkot in Gujarat.
  • E. Indian Railways
    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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: North Central Railway zone
Triple: [Jhansi, hasRailwayZone, North Central Railway zone]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: North Central Railway zone
Target entity description: 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.
  • A. West Central Railway zone
    West Central Railway zone is one of the zones of Indian Railways, headquartered in Jabalpur, that manages and operates rail services across parts of central India.
  • B. 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.
  • C. Northern Railway zone
    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.
  • D. Rajkot railway division
    Rajkot railway division is an administrative division of Indian Railways’ Western Railway zone responsible for managing railway operations and infrastructure in and around Rajkot in Gujarat.
  • E. Indian Railways
    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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRailwayZone
Context triple: [Jhansi, hasRailwayZone, North Central Railway zone]
  • A. hasRailFacility
    Indicates that an entity possesses or is served by a rail-related facility, such as a railway station, terminal, or yard.
  • B. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • C. hasFareZone
    Indicates that an entity is located within or associated with a specific fare zone used for pricing or ticketing.
  • D. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • E. hasRailYard
    Indicates that one entity possesses, contains, or includes a rail yard as part of its facilities or infrastructure.
  • F. None of above. chosen

Provenance (7 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_69a493d848848190aed4011b34b2e8d3 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b95d35888190a20593a278175df7 completed March 1, 2026, 10:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac3bbce0b88190b91380fca297cd38 completed March 7, 2026, 2:52 p.m.
NEDg Description generation batch_69ac3cd7e87481909313eef251654654 completed March 7, 2026, 2:57 p.m.
NED2 Entity disambiguation (via description) batch_69ac3d3ed140819087ede15c555e2f4d completed March 7, 2026, 2:59 p.m.
PD Predicate disambiguation batch_69a4b7276180819085c6b23501a6a6e0 completed March 1, 2026, 10:01 p.m.
PDg Predicate description generation batch_69a4b95bb5908190ad1d5f5e0d8f664d completed March 1, 2026, 10:10 p.m.
Created at: March 1, 2026, 7:41 p.m.