Triple

T7015981
Position Surface form Disambiguated ID Type / Status
Subject Kolkata Metro E162700 entity
Predicate hasLine P35 FINISHED
Object East–West corridor
The East–West corridor is a major Kolkata Metro line that runs across the city, connecting its eastern and western parts through an important rapid transit route.
 E636327 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: East–West corridor | Statement: [Kolkata Metro, hasLine, East–West corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East–West corridor
Context triple: [Kolkata Metro, hasLine, East–West corridor]
  • A. East–West Corridor
    The East–West Corridor is a major rapid transit line of the Ahmedabad Metro system in Ahmedabad, India, connecting key areas across the city from east to west.
  • B. East–West Corridor
    The East–West Corridor is a principal rapid transit line of the Lucknow Metro system in Lucknow, India, running across the city in an east–west direction.
  • C. North–South Corridor
    The North–South Corridor is a major metro line of the Ahmedabad Metro system that runs along the city’s north–south axis, connecting key residential and commercial areas.
  • D. North–South Corridor
    The North–South Corridor is a major regional transport and trade route in Southern Africa that links landlocked countries to key seaports through an integrated network of roads and railways.
  • E. North–South Corridor
    The North–South Corridor is a principal metro line of the Lucknow Metro system in Uttar Pradesh, India, running along a north–south axis through the city.
  • 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: East–West corridor
Triple: [Kolkata Metro, hasLine, East–West corridor]
Generated description
The East–West corridor is a major Kolkata Metro line that runs across the city, connecting its eastern and western parts through an important rapid transit route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: East–West corridor
Target entity description: The East–West corridor is a major Kolkata Metro line that runs across the city, connecting its eastern and western parts through an important rapid transit route.
  • A. East–West Corridor
    The East–West Corridor is a principal rapid transit line of the Lucknow Metro system in Lucknow, India, running across the city in an east–west direction.
  • B. East–West Corridor
    The East–West Corridor is a major rapid transit line of the Ahmedabad Metro system in Ahmedabad, India, connecting key areas across the city from east to west.
  • C. North–South Corridor
    The North–South Corridor is a major regional transport and trade route in Southern Africa that links landlocked countries to key seaports through an integrated network of roads and railways.
  • D. North–South Corridor
    The North–South Corridor is a major metro line of the Ahmedabad Metro system that runs along the city’s north–south axis, connecting key residential and commercial areas.
  • E. North–South Corridor
    The North–South Corridor is a principal metro line of the Lucknow Metro system in Uttar Pradesh, India, running along a north–south axis through the city.
  • 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_69c775656fe48190a9690f5aaca3ba4c completed March 28, 2026, 6:29 a.m.
NEDg Description generation batch_69c7774e453881909df31386a911cfa4 completed March 28, 2026, 6:38 a.m.
NED2 Entity disambiguation (via description) batch_69c777d9c29c81908a816aed059ecc96 completed March 28, 2026, 6:40 a.m.
Created at: March 27, 2026, 2:34 p.m.