Triple

T7990902
Position Surface form Disambiguated ID Type / Status
Subject Kanchrapara E186001 entity
Predicate hasIndustrialFacility P12416 FINISHED
Object 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.
 E702875 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: Kanchrapara Railway Workshop | Statement: [Kanchrapara, hasIndustrialFacility, Kanchrapara Railway Workshop]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kanchrapara Railway Workshop
Context triple: [Kanchrapara, hasIndustrialFacility, Kanchrapara Railway Workshop]
  • A. 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.
  • B. 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.
  • C. Wimco Nagar depot
    Wimco Nagar depot is a maintenance and stabling facility serving the northern stretch of the Chennai Metro network in Chennai, India.
  • D. Tatanagar electric loco shed
    Tatanagar electric loco shed is a major Indian Railways facility at Tatanagar responsible for housing, maintaining, and servicing electric locomotives operating on the South Eastern Railway network.
  • E. Bokaro Steel City electric loco shed
    Bokaro Steel City electric loco shed is a major electric locomotive maintenance and servicing facility of Indian Railways located at Bokaro Steel City in Jharkhand.
  • 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: Kanchrapara Railway Workshop
Triple: [Kanchrapara, hasIndustrialFacility, Kanchrapara Railway Workshop]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kanchrapara Railway Workshop
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Wimco Nagar depot
    Wimco Nagar depot is a maintenance and stabling facility serving the northern stretch of the Chennai Metro network in Chennai, India.
  • D. Tatanagar electric loco shed
    Tatanagar electric loco shed is a major Indian Railways facility at Tatanagar responsible for housing, maintaining, and servicing electric locomotives operating on the South Eastern Railway network.
  • E. Bokaro Steel City electric loco shed
    Bokaro Steel City electric loco shed is a major electric locomotive maintenance and servicing facility of Indian Railways located at Bokaro Steel City in Jharkhand.
  • 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_69ca829c6c308190ab05b43d234c52b2 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3c6fc19c8190b98023e257c2f4f2 completed March 31, 2026, 3:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69cbe0f5c22881908044a178d670684c completed March 31, 2026, 2:57 p.m.
NEDg Description generation batch_69cbe43f883081908768a7314409b622 completed March 31, 2026, 3:11 p.m.
NED2 Entity disambiguation (via description) batch_69cc34c6cf6881909b28a0b6882b518d completed March 31, 2026, 8:55 p.m.
Created at: March 30, 2026, 5:16 p.m.