Triple

T10222903
Position Surface form Disambiguated ID Type / Status
Subject Jainagar E242627 entity
Predicate railwayDivision P1921 FINISHED
Object Samastipur railway division
Samastipur railway division is an administrative unit of Indian Railways under the East Central Railway zone, overseeing train operations and infrastructure in parts of Bihar including routes serving Jainagar.
 E850839 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: Samastipur railway division | Statement: [Jainagar, railwayDivision, Samastipur railway division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Samastipur railway division
Context triple: [Jainagar, railwayDivision, Samastipur railway division]
  • A. 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.
  • B. Bilaspur railway division
    Bilaspur railway division is a key administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Bilaspur region.
  • C. 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.
  • 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. Chakradharpur railway division
    Chakradharpur railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in its designated region under the South Eastern Railway zone.
  • 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: Samastipur railway division
Triple: [Jainagar, railwayDivision, Samastipur railway division]
Generated description
Samastipur railway division is an administrative unit of Indian Railways under the East Central Railway zone, overseeing train operations and infrastructure in parts of Bihar including routes serving Jainagar.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Samastipur railway division
Target entity description: Samastipur railway division is an administrative unit of Indian Railways under the East Central Railway zone, overseeing train operations and infrastructure in parts of Bihar including routes serving Jainagar.
  • A. 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.
  • B. Bilaspur railway division
    Bilaspur railway division is a key administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Bilaspur region.
  • C. 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.
  • 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. Chakradharpur railway division
    Chakradharpur railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in its designated region under the South Eastern Railway zone.
  • 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_69d381ae26c48190985abd0e25ee5d04 completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d3aa8305e481908ee1fc1d9eda6fa0 completed April 6, 2026, 12:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69d6a838a0148190bc7f2aa33bb7230b completed April 8, 2026, 7:10 p.m.
NEDg Description generation batch_69d6d0003434819093e3f82a556db79c completed April 8, 2026, 10 p.m.
NED2 Entity disambiguation (via description) batch_69d6df3c8f748190923db41ef1a9a03a completed April 8, 2026, 11:05 p.m.
Created at: April 6, 2026, 11:10 a.m.