Triple

T7016008
Position Surface form Disambiguated ID Type / Status
Subject Kolkata Metro E162700 entity
Predicate hasDepot P2413 FINISHED
Object Noapara depot
Noapara depot is a major maintenance and stabling facility for the Kolkata Metro, serving as a key operational hub for its trains.
E635149 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: Noapara depot | Statement: [Kolkata Metro, hasDepot, Noapara depot]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Noapara depot
Context triple: [Kolkata Metro, hasDepot, Noapara depot]
  • A. Gyaspur Depot
    Gyaspur Depot is a major maintenance and stabling facility serving the Ahmedabad Metro system in Ahmedabad, India.
  • B. Dibrugarh railway station
    Dibrugarh railway station is a major rail hub in Assam, India, serving the city of Dibrugarh and connecting it to key destinations across the country.
  • C. Wadala Depot
    Wadala Depot is a key station and maintenance hub on the Mumbai Monorail network, serving the Wadala area of Mumbai, India.
  • D. Dinajpur Railway Station
    Dinajpur Railway Station is a key rail transit hub serving the city of Dinajpur and its surrounding region.
  • E. Chandannagar railway station
    Chandannagar railway station is a suburban rail station in West Bengal, India, serving the town of Chandannagar on the Howrah–Bardhaman main line of the Kolkata Suburban Railway 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: Noapara depot
Triple: [Kolkata Metro, hasDepot, Noapara depot]
Generated description
Noapara depot is a major maintenance and stabling facility for the Kolkata Metro, serving as a key operational hub for its trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Noapara depot
Target entity description: Noapara depot is a major maintenance and stabling facility for the Kolkata Metro, serving as a key operational hub for its trains.
  • A. Gyaspur Depot
    Gyaspur Depot is a major maintenance and stabling facility serving the Ahmedabad Metro system in Ahmedabad, India.
  • B. Dibrugarh railway station
    Dibrugarh railway station is a major rail hub in Assam, India, serving the city of Dibrugarh and connecting it to key destinations across the country.
  • C. Wadala Depot
    Wadala Depot is a key station and maintenance hub on the Mumbai Monorail network, serving the Wadala area of Mumbai, India.
  • D. Dinajpur Railway Station
    Dinajpur Railway Station is a key rail transit hub serving the city of Dinajpur and its surrounding region.
  • E. Chandannagar railway station
    Chandannagar railway station is a suburban rail station in West Bengal, India, serving the town of Chandannagar on the Howrah–Bardhaman main line of the Kolkata Suburban Railway 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_69c6885a127c8190867b059bdccf13ff completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e1d43e948190843f1cef3ce2004e completed March 27, 2026, 8 p.m.
NED1 Entity disambiguation (via context triple) batch_69c76a5655d48190a2df556f63add35d completed March 28, 2026, 5:42 a.m.
NEDg Description generation batch_69c76b9702d4819099f873b37fad309b completed March 28, 2026, 5:48 a.m.
NED2 Entity disambiguation (via description) batch_69c76c10303c8190a08f1728da6ebcd2 completed March 28, 2026, 5:50 a.m.
Created at: March 27, 2026, 2:34 p.m.