Triple

T17378138
Position Surface form Disambiguated ID Type / Status
Subject Agra railway division E422493 entity
Predicate partOf P40 FINISHED
Object Northern India railway network
The Northern India railway network is a major rail system covering the northern regions of India, connecting key cities and industrial centers through an extensive network of lines and divisions.
E105178 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: Northern India railway network | Statement: [Agra railway division, partOf, Northern India railway network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northern India railway network
Context triple: [Agra railway division, partOf, Northern India railway network]
  • A. 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.
  • B. North Central Railway
    North Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across key regions in northern and central India.
  • C. Mumbai–Ahmedabad–Delhi main line
    The Mumbai–Ahmedabad–Delhi main line is a major Indian Railways trunk route that connects Mumbai with Ahmedabad and Delhi, serving as a key corridor for long-distance passenger and freight traffic in western and northern India.
  • D. 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.
  • E. Western Railway
    Western Railway is one of the major zones of Indian Railways, operating a key network of suburban and long-distance train services across western 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: Northern India railway network
Triple: [Agra railway division, partOf, Northern India railway network]
Generated description
The Northern India railway network is a major rail system covering the northern regions of India, connecting key cities and industrial centers through an extensive network of lines and divisions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Northern India railway network
Target entity description: The Northern India railway network is a major rail system covering the northern regions of India, connecting key cities and industrial centers through an extensive network of lines and divisions.
  • 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. North Central Railway
    North Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across key regions in northern and central India.
  • C. Mumbai–Ahmedabad–Delhi main line
    The Mumbai–Ahmedabad–Delhi main line is a major Indian Railways trunk route that connects Mumbai with Ahmedabad and Delhi, serving as a key corridor for long-distance passenger and freight traffic in western and northern India.
  • D. 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.
  • E. Western Railway
    Western Railway is one of the major zones of Indian Railways, operating a key network of suburban and long-distance train services across western India.
  • F. None of above.

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_69d889d6535c81908be333c01deaec4e completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e43a6ea56c8190b56d966ccf2c91f7 completed April 19, 2026, 2:14 a.m.
NED1 Entity disambiguation (via context triple) batch_6a019ff344a881908f0870ac7ce8e120 completed May 11, 2026, 9:22 a.m.
NEDg Description generation batch_6a01a089ac0081908a746c0c25cc12be completed May 11, 2026, 9:25 a.m.
NED2 Entity disambiguation (via description) batch_6a01a1c415dc8190ba8f7e2a8053917f completed May 11, 2026, 9:30 a.m.
Created at: April 10, 2026, 5:45 a.m.