Triple

T19966674
Position Surface form Disambiguated ID Type / Status
Subject South East Central Railway zone E479952 entity
Predicate hasLocoShed P18851 FINISHED
Object Nagpur electric loco shed (Ajni)
Nagpur electric loco shed (Ajni) is a major electric locomotive maintenance and stabling facility located at Ajni near Nagpur in Maharashtra, India.
 E1404120 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: Nagpur electric loco shed (Ajni) | Statement: [South East Central Railway zone, hasLocoShed, Nagpur electric loco shed (Ajni)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nagpur electric loco shed (Ajni)
Context triple: [South East Central Railway zone, hasLocoShed, Nagpur electric loco shed (Ajni)]
  • A. Jhansi electric loco shed
    Jhansi electric loco shed is a major Indian Railways facility in Jhansi responsible for housing, maintaining, and servicing electric locomotives operating in the region.
  • B. Bilaspur electric loco shed
    Bilaspur electric loco shed is a major Indian Railways facility in Chhattisgarh responsible for housing, maintaining, and overhauling electric locomotives operating on key routes of the South East Central Railway zone.
  • C. Raipur electric loco shed
    Raipur electric loco shed is a major Indian Railways facility in Raipur responsible for housing, maintaining, and servicing electric locomotives operating in the region.
  • D. Kanpur electric loco shed
    Kanpur electric loco shed is a major Indian Railways facility in Kanpur responsible for housing, maintaining, and servicing electric locomotives operating in the region.
  • E. Jabalpur diesel shed
    Jabalpur diesel shed is a major locomotive maintenance and servicing facility of Indian Railways located in Jabalpur under the West Central 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: Nagpur electric loco shed (Ajni)
Triple: [South East Central Railway zone, hasLocoShed, Nagpur electric loco shed (Ajni)]
Generated description
Nagpur electric loco shed (Ajni) is a major electric locomotive maintenance and stabling facility located at Ajni near Nagpur in Maharashtra, India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nagpur electric loco shed (Ajni)
Target entity description: Nagpur electric loco shed (Ajni) is a major electric locomotive maintenance and stabling facility located at Ajni near Nagpur in Maharashtra, India.
  • A. Jhansi electric loco shed
    Jhansi electric loco shed is a major Indian Railways facility in Jhansi responsible for housing, maintaining, and servicing electric locomotives operating in the region.
  • B. Bilaspur electric loco shed
    Bilaspur electric loco shed is a major Indian Railways facility in Chhattisgarh responsible for housing, maintaining, and overhauling electric locomotives operating on key routes of the South East Central Railway zone.
  • C. Raipur electric loco shed
    Raipur electric loco shed is a major Indian Railways facility in Raipur responsible for housing, maintaining, and servicing electric locomotives operating in the region.
  • D. Kanpur electric loco shed
    Kanpur electric loco shed is a major Indian Railways facility in Kanpur responsible for housing, maintaining, and servicing electric locomotives operating in the region.
  • E. Jabalpur diesel shed
    Jabalpur diesel shed is a major locomotive maintenance and servicing facility of Indian Railways located in Jabalpur under the West Central 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_69d8e523c19881909f9197037200dde6 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e65bc5e41881908c1e8867820f1c0c completed April 20, 2026, 5 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07fdd12e4c81908488a7a829ee7bc2 completed May 16, 2026, 5:17 a.m.
NEDg Description generation batch_6a07ff37a0508190af7cf7a045201338 completed May 16, 2026, 5:23 a.m.
NED2 Entity disambiguation (via description) batch_6a07ffad71508190a6636834b7f25434 completed May 16, 2026, 5:25 a.m.
Created at: April 10, 2026, 1:54 p.m.