Triple

T23516668
Position Surface form Disambiguated ID Type / Status
Subject Production units of Indian Railways E574385 entity
Predicate linkedTo P37 FINISHED
Object Indian Railways workshops
Indian Railways workshops are specialized facilities across India where railway rolling stock and components are maintained, repaired, and overhauled to keep the national rail network operational.
 E1591619 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: Indian Railways workshops | Statement: [Production units of Indian Railways, linkedTo, Indian Railways workshops]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Indian Railways workshops
Context triple: [Production units of Indian Railways, linkedTo, Indian Railways workshops]
  • 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. 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.
  • C. Indian Railways Service of Engineers
    The Indian Railways Service of Engineers is a prestigious Group ‘A’ central engineering cadre responsible for planning, constructing, and maintaining the civil engineering infrastructure of Indian Railways.
  • D. Indian Railway Stores Service
    The Indian Railway Stores Service is a specialized Group 'A' civil service responsible for procurement, logistics, and materials management for Indian Railways.
  • E. Bhilai marshalling yard
    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.
  • 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: Indian Railways workshops
Triple: [Production units of Indian Railways, linkedTo, Indian Railways workshops]
Generated description
Indian Railways workshops are specialized facilities across India where railway rolling stock and components are maintained, repaired, and overhauled to keep the national rail network operational.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Indian Railways workshops
Target entity description: Indian Railways workshops are specialized facilities across India where railway rolling stock and components are maintained, repaired, and overhauled to keep the national rail network operational.
  • 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. 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.
  • C. Indian Railways Service of Engineers
    The Indian Railways Service of Engineers is a prestigious Group ‘A’ central engineering cadre responsible for planning, constructing, and maintaining the civil engineering infrastructure of Indian Railways.
  • D. Indian Railway Stores Service
    The Indian Railway Stores Service is a specialized Group 'A' civil service responsible for procurement, logistics, and materials management for Indian Railways.
  • E. Bhilai marshalling yard
    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.
  • 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_69e245bb3dcc8190ba9a2b35972b58d0 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f1aa82a8448190bf7ad56137c5eb94 completed April 29, 2026, 6:51 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0cdf4acf7081909ea152eb4a634bab completed May 19, 2026, 10:08 p.m.
NEDg Description generation batch_6a0ce210d8108190a6338389fcefb5a4 completed May 19, 2026, 10:20 p.m.
NED2 Entity disambiguation (via description) batch_6a0ce2bffdd8819081ef20b90bc0ae7b completed May 19, 2026, 10:22 p.m.
Created at: April 17, 2026, 6:08 p.m.