Triple

T19844659
Position Surface form Disambiguated ID Type / Status
Subject South East Central Railway E476827 entity
Predicate hasMajorYard P50404 FINISHED
Object Bhilai marshalling yard — NE NERFINISHED

How this triple was built (3 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: Bhilai marshalling yard | Statement: [South East Central Railway, hasMajorYard, Bhilai marshalling yard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bhilai marshalling yard
Context triple: [South East Central Railway, hasMajorYard, Bhilai marshalling yard]
  • A. Kanchrapara Railway Workshop
    Kanchrapara Railway Workshop is a major Indian Railways maintenance and repair facility located in Kanchrapara, West Bengal, known for overhauling locomotives, coaches, and other rolling stock.
  • B. Bhilai railway station
    Bhilai railway station is a key Indian Railways junction in Chhattisgarh serving the industrial city of Bhilai and connecting it to major regional and national routes.
  • C. Jagadhri railway workshop
    Jagadhri railway workshop is a major Indian Railways facility in Haryana dedicated to the maintenance and repair of railway rolling stock and related infrastructure.
  • 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. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bhilai marshalling yard
Target entity description: Bhilai marshalling yard is a major railway freight yard in Bhilai, Chhattisgarh, serving as a key hub for organizing and handling heavy industrial and goods traffic on the Indian Railways network.
  • A. Kanchrapara Railway Workshop
    Kanchrapara Railway Workshop is a major Indian Railways maintenance and repair facility located in Kanchrapara, West Bengal, known for overhauling locomotives, coaches, and other rolling stock.
  • B. Bhilai railway station
    Bhilai railway station is a key Indian Railways junction in Chhattisgarh serving the industrial city of Bhilai and connecting it to major regional and national routes.
  • C. Jagadhri railway workshop
    Jagadhri railway workshop is a major Indian Railways facility in Haryana dedicated to the maintenance and repair of railway rolling stock and related infrastructure.
  • 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. 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.
  • F. None of above. chosen

Provenance (2 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_69d8e51d39d081909bcfafeaaf3d2fcc completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e658085a148190a305bde0897dfe84 completed April 20, 2026, 4:44 p.m.
Created at: April 10, 2026, 1:51 p.m.