Triple

T19844657
Position Surface form Disambiguated ID Type / Status
Subject South East Central Railway E476827 entity
Predicate belongsToRailwayZoneGroup P52555 FINISHED
Object Central India railway zones
Central India railway zones are a group of Indian Railways administrative zones that manage and operate rail services across the central regions of India.
 E1414232 NE FINISHED

How this triple was built (4 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: Central India railway zones | Statement: [South East Central Railway, belongsToRailwayZoneGroup, Central India railway zones]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Central India railway zones
Context triple: [South East Central Railway, belongsToRailwayZoneGroup, Central India railway zones]
  • A. South Central Railway zone
    The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
  • B. 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.
  • C. East Central Railway zone
    The East Central Railway zone is one of the 19 railway zones in India, headquartered at Hajipur in Bihar, responsible for operating and managing rail transport across parts of Bihar, Jharkhand, Uttar Pradesh, and Madhya Pradesh.
  • D. South East Central Railway zone
    The South East Central Railway zone is one of the zones of Indian Railways, headquartered at Bilaspur, that manages rail operations across parts of Chhattisgarh, Maharashtra, and Madhya Pradesh.
  • E. 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.
  • 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: Central India railway zones
Triple: [South East Central Railway, belongsToRailwayZoneGroup, Central India railway zones]
Generated description
Central India railway zones are a group of Indian Railways administrative zones that manage and operate rail services across the central regions of India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Central India railway zones
Target entity description: Central India railway zones are a group of Indian Railways administrative zones that manage and operate rail services across the central regions of India.
  • A. South Central Railway zone
    The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
  • B. 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.
  • C. East Central Railway zone
    The East Central Railway zone is one of the 19 railway zones in India, headquartered at Hajipur in Bihar, responsible for operating and managing rail transport across parts of Bihar, Jharkhand, Uttar Pradesh, and Madhya Pradesh.
  • D. South East Central Railway zone
    The South East Central Railway zone is one of the zones of Indian Railways, headquartered at Bilaspur, that manages rail operations across parts of Chhattisgarh, Maharashtra, and Madhya Pradesh.
  • E. 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.
  • F. None of above. chosen

Provenance (5 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_69d8e51d39d081909bcfafeaaf3d2fcc completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e658085a148190a305bde0897dfe84 completed April 20, 2026, 4:44 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08345781b48190ace08e9474507514 completed May 16, 2026, 9:09 a.m.
NEDg Description generation batch_6a0835241ba08190923317262ac984d4 completed May 16, 2026, 9:13 a.m.
NED2 Entity disambiguation (via description) batch_6a08360def9c8190b8a2d48814ee13c8 completed May 16, 2026, 9:17 a.m.
Created at: April 10, 2026, 1:51 p.m.