Triple

T4738334
Position Surface form Disambiguated ID Type / Status
Subject Northern Railway zone E105178 entity
Predicate formedByMergerOf P77 FINISHED
Object Portions of Oudh and Tirhut Railway
Portions of Oudh and Tirhut Railway refers to sections of a former colonial-era railway system in northern India that were later incorporated into the Indian Railways network, including the Northern Railway zone.
E465594 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: Portions of Oudh and Tirhut Railway | Statement: [Northern Railway zone, formedByMergerOf, Portions of Oudh and Tirhut Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Portions of Oudh and Tirhut Railway
Context triple: [Northern Railway zone, formedByMergerOf, Portions of Oudh and Tirhut Railway]
  • A. Agra–Bandikui–Jaipur line
    The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important corridor for both passenger and freight traffic.
  • B. Bombay, Baroda and Central India Railway
    The Bombay, Baroda and Central India Railway was a major British-era Indian railway company that operated extensive routes in western and central India before being absorbed into the Western Railway zone after independence.
  • C. Gwalior Light Railway
    Gwalior Light Railway is a historic narrow-gauge railway network in central India, originally built to serve the princely state of Gwalior and noted for its extensive rural reach and heritage value.
  • D. Agra–Gwalior–Jhansi line
    The Agra–Gwalior–Jhansi line is a key railway route in northern India that connects the historic cities of Agra, Gwalior, and Jhansi, serving as an important corridor for both passenger and freight traffic.
  • E. Agra railway division
    Agra railway division is an administrative unit of Indian Railways responsible for managing railway operations and infrastructure in and around the Agra region.
  • 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: Portions of Oudh and Tirhut Railway
Triple: [Northern Railway zone, formedByMergerOf, Portions of Oudh and Tirhut Railway]
Generated description
Portions of Oudh and Tirhut Railway refers to sections of a former colonial-era railway system in northern India that were later incorporated into the Indian Railways network, including the Northern Railway zone.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Portions of Oudh and Tirhut Railway
Target entity description: Portions of Oudh and Tirhut Railway refers to sections of a former colonial-era railway system in northern India that were later incorporated into the Indian Railways network, including the Northern Railway zone.
  • A. Agra–Bandikui–Jaipur line
    The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important corridor for both passenger and freight traffic.
  • B. Bombay, Baroda and Central India Railway
    The Bombay, Baroda and Central India Railway was a major British-era Indian railway company that operated extensive routes in western and central India before being absorbed into the Western Railway zone after independence.
  • C. Gwalior Light Railway
    Gwalior Light Railway is a historic narrow-gauge railway network in central India, originally built to serve the princely state of Gwalior and noted for its extensive rural reach and heritage value.
  • D. Agra–Gwalior–Jhansi line
    The Agra–Gwalior–Jhansi line is a key railway route in northern India that connects the historic cities of Agra, Gwalior, and Jhansi, serving as an important corridor for both passenger and freight traffic.
  • E. Agra railway division
    Agra railway division is an administrative unit of Indian Railways responsible for managing railway operations and infrastructure in and around the Agra region.
  • 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_69bd43ee52048190b81a4f066534ffb3 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6485d690819098dc4a974516da6b completed March 20, 2026, 3:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69be10b8e7ec81908cc1ec9b94a6bee4 completed March 21, 2026, 3:30 a.m.
NEDg Description generation batch_69be1a2de8e08190b26f206434eb9502 completed March 21, 2026, 4:10 a.m.
NED2 Entity disambiguation (via description) batch_69be1a94d8b8819092f7a273cc19ebe9 completed March 21, 2026, 4:12 a.m.
Created at: March 20, 2026, 1:19 p.m.