Triple

T7120163
Position Surface form Disambiguated ID Type / Status
Subject Park Street metro station E165927 entity
Predicate category P87 FINISHED
Object Kolkata Metro stations
Kolkata Metro stations are the network of rapid transit stops serving the city of Kolkata, India, as part of its urban metro rail system.
E162700 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: Kolkata Metro stations | Statement: [Park Street metro station, category, Kolkata Metro stations]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kolkata Metro stations
Context triple: [Park Street metro station, category, Kolkata Metro stations]
  • A. Kolkata Metro
    Kolkata Metro is India’s oldest rapid transit system, serving as a major urban rail network for the city of Kolkata and its surrounding areas.
  • B. New Delhi Metro station
    New Delhi Metro station is a major interchange station on the Delhi Metro network that connects the metro system with the New Delhi Railway Station and the Airport Express Line.
  • C. Dum Dum metro station
    Dum Dum metro station is a major elevated station and northern terminus of Kolkata Metro Line 1, serving as an important interchange with suburban rail services in the Dum Dum area of Kolkata, India.
  • D. Vaishali metro station
    Vaishali metro station is a key Delhi Metro terminal station serving commuters in the Ghaziabad region of the National Capital Region.
  • E. Dakshineswar railway station
    Dakshineswar railway station is a suburban rail station in Kolkata, India, serving as a key access point for pilgrims and visitors traveling to the nearby Dakshineswar Kali Temple and surrounding areas.
  • 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: Kolkata Metro stations
Triple: [Park Street metro station, category, Kolkata Metro stations]
Generated description
Kolkata Metro stations are the network of rapid transit stops serving the city of Kolkata, India, as part of its urban metro rail system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kolkata Metro stations
Target entity description: Kolkata Metro stations are the network of rapid transit stops serving the city of Kolkata, India, as part of its urban metro rail system.
  • A. Kolkata Metro chosen
    Kolkata Metro is India’s oldest rapid transit system, serving as a major urban rail network for the city of Kolkata and its surrounding areas.
  • B. New Delhi Metro station
    New Delhi Metro station is a major interchange station on the Delhi Metro network that connects the metro system with the New Delhi Railway Station and the Airport Express Line.
  • C. Dum Dum metro station
    Dum Dum metro station is a major elevated station and northern terminus of Kolkata Metro Line 1, serving as an important interchange with suburban rail services in the Dum Dum area of Kolkata, India.
  • D. Vaishali metro station
    Vaishali metro station is a key Delhi Metro terminal station serving commuters in the Ghaziabad region of the National Capital Region.
  • E. Dakshineswar railway station
    Dakshineswar railway station is a suburban rail station in Kolkata, India, serving as a key access point for pilgrims and visitors traveling to the nearby Dakshineswar Kali Temple and surrounding areas.
  • F. None of above.

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_69c6888227bc8190a1394679e3116f90 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e61ca6a88190a0eb9f287e3b723c completed March 27, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7a32870e481909472f8fcd2501289 completed March 28, 2026, 9:45 a.m.
NEDg Description generation batch_69c7a390cf6c8190902bdfd0ff536093 completed March 28, 2026, 9:46 a.m.
NED2 Entity disambiguation (via description) batch_69c7a4be1cbc8190a7e4eb91d604f994 completed March 28, 2026, 9:51 a.m.
Created at: March 27, 2026, 2:43 p.m.