Triple

T7017577
Position Surface form Disambiguated ID Type / Status
Subject Silchar railway station E162733 entity
Predicate railwayDivision P1921 FINISHED
Object 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.
 E636347 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: Lumding railway division | Statement: [Silchar railway station, railwayDivision, Lumding railway division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lumding railway division
Context triple: [Silchar railway station, railwayDivision, Lumding 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. Howrah railway division
    Howrah railway division is a major administrative division of Indian Railways under the Eastern Railway zone, overseeing railway operations and infrastructure centered around Howrah in West Bengal.
  • C. 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.
  • 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. Ambala railway division
    Ambala railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Ambala in northern 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: Lumding railway division
Triple: [Silchar railway station, railwayDivision, Lumding railway division]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lumding railway division
Target entity description: 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.
  • 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. Howrah railway division
    Howrah railway division is a major administrative division of Indian Railways under the Eastern Railway zone, overseeing railway operations and infrastructure centered around Howrah in West Bengal.
  • C. 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.
  • 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. Ambala railway division
    Ambala railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Ambala in northern 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_69c6885a127c8190867b059bdccf13ff completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e1e79c108190a507335e9dbf2716 completed March 27, 2026, 8 p.m.
NED1 Entity disambiguation (via context triple) batch_69c775656fe48190a9690f5aaca3ba4c completed March 28, 2026, 6:29 a.m.
NEDg Description generation batch_69c7774e453881909df31386a911cfa4 completed March 28, 2026, 6:38 a.m.
NED2 Entity disambiguation (via description) batch_69c777d9c29c81908a816aed059ecc96 completed March 28, 2026, 6:40 a.m.
Created at: March 27, 2026, 2:34 p.m.