Triple

T23516633
Position Surface form Disambiguated ID Type / Status
Subject Production units of Indian Railways E574385 entity
Predicate hasPart P35 FINISHED
Object Diesel Locomotive Factory Marhowrah — 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: Diesel Locomotive Factory Marhowrah | Statement: [Production units of Indian Railways, hasPart, Diesel Locomotive Factory Marhowrah]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Diesel Locomotive Factory Marhowrah
Context triple: [Production units of Indian Railways, hasPart, Diesel Locomotive Factory Marhowrah]
  • A. Mytishchi Carriage Works
    Mytishchi Carriage Works was a major Russian industrial plant known for producing railway rolling stock and later diversified machinery and equipment.
  • B. 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.
  • C. Crewe Works
    Crewe Works is a historic railway engineering and manufacturing facility in Crewe, England, renowned for building and maintaining locomotives and rolling stock since the 19th century.
  • D. St Rollox Locomotive Works
    St Rollox Locomotive Works is a historic railway engineering and locomotive repair facility in Springburn, Glasgow, that played a major role in Scotland’s railway industry.
  • E. Inchicore railway works
    Inchicore railway works is a major historic railway engineering and maintenance facility in Dublin, Ireland, long serving as the principal workshop for the country’s rail network.
  • 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: Diesel Locomotive Factory Marhowrah
Target entity description: Diesel Locomotive Factory Marhowrah is a major Indian Railways manufacturing facility in Bihar dedicated to producing high-horsepower diesel locomotives for the national rail network.
  • A. Mytishchi Carriage Works
    Mytishchi Carriage Works was a major Russian industrial plant known for producing railway rolling stock and later diversified machinery and equipment.
  • B. 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.
  • C. Crewe Works
    Crewe Works is a historic railway engineering and manufacturing facility in Crewe, England, renowned for building and maintaining locomotives and rolling stock since the 19th century.
  • D. St Rollox Locomotive Works
    St Rollox Locomotive Works is a historic railway engineering and locomotive repair facility in Springburn, Glasgow, that played a major role in Scotland’s railway industry.
  • E. Inchicore railway works
    Inchicore railway works is a major historic railway engineering and maintenance facility in Dublin, Ireland, long serving as the principal workshop for the country’s rail network.
  • 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_69e245bb3dcc8190ba9a2b35972b58d0 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f1aa82a8448190bf7ad56137c5eb94 completed April 29, 2026, 6:51 a.m.
Created at: April 17, 2026, 6:08 p.m.