Triple

T7085114
Position Surface form Disambiguated ID Type / Status
Subject Northeast Frontier Railway E165055 entity
Predicate division P889 FINISHED
Object Katihar railway division
Katihar railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in and around Katihar in eastern India.
 E643769 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: Katihar railway division | Statement: [Northeast Frontier Railway, division, Katihar railway division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Katihar railway division
Context triple: [Northeast Frontier Railway, division, Katihar railway division]
  • A. Alipurduar railway division
    Alipurduar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Alipurduar region of West Bengal.
  • B. Kota railway division
    Kota railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Kota within the West Central Railway zone.
  • C. Lumding railway division
    Lumding railway division is an administrative division of Indian Railways in the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in parts of Assam and the surrounding northeastern region.
  • D. Jhansi railway division
    Jhansi railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Jhansi region.
  • E. Jabalpur railway division
    Jabalpur railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Jabalpur in 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: Katihar railway division
Triple: [Northeast Frontier Railway, division, Katihar railway division]
Generated description
Katihar railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in and around Katihar in eastern India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Katihar railway division
Target entity description: Katihar railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in and around Katihar in eastern India.
  • A. Alipurduar railway division
    Alipurduar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Alipurduar region of West Bengal.
  • B. Kota railway division
    Kota railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Kota within the West Central Railway zone.
  • C. Lumding railway division
    Lumding railway division is an administrative division of Indian Railways in the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in parts of Assam and the surrounding northeastern region.
  • D. Jhansi railway division
    Jhansi railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Jhansi region.
  • E. Jabalpur railway division
    Jabalpur railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Jabalpur in 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_69c6887d98408190912b9580666b0c1d completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e511535c819098f60de54930380f completed March 27, 2026, 8:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7a31c26808190870e6bcdef45d1d7 completed March 28, 2026, 9:45 a.m.
NEDg Description generation batch_69c7a48bd2048190869c4e15c9c016b8 completed March 28, 2026, 9:51 a.m.
NED2 Entity disambiguation (via description) batch_69c7a5f558788190805a0c87b2390a8d completed March 28, 2026, 9:57 a.m.
Created at: March 27, 2026, 2:41 p.m.