Triple

T16659029
Position Surface form Disambiguated ID Type / Status
Subject Howrah–Bardhaman main line E404809 entity
Predicate servesRegion P82 FINISHED
Object Kolkata metropolitan area E295867 NE FINISHED

How this triple was built (2 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 metropolitan area | Statement: [Howrah–Bardhaman main line, servesRegion, Kolkata metropolitan area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kolkata metropolitan area
Context triple: [Howrah–Bardhaman main line, servesRegion, Kolkata metropolitan area]
  • A. Kolkata Metropolitan Area chosen
    The Kolkata Metropolitan Area is the extensive urban agglomeration centered on Kolkata in eastern India, encompassing the city and its surrounding municipalities and suburbs as one of the country’s largest metropolitan regions.
  • B. Kolkata district
    Kolkata district is an administrative district in the Indian state of West Bengal that encompasses the core urban area of Kolkata, one of India’s largest and historically significant metropolitan cities.
  • C. Mumbai Metropolitan Region
    The Mumbai Metropolitan Region is a vast urban agglomeration in western India centered on Mumbai, encompassing the city and its surrounding suburbs and satellite towns.
  • D. Varanasi metropolitan area
    The Varanasi metropolitan area is the urban agglomeration centered on the ancient city of Varanasi in Uttar Pradesh, India, encompassing its surrounding suburbs and satellite towns.
  • E. Prayagraj metropolitan area
    Prayagraj metropolitan area is a major urban and administrative hub in the Indian state of Uttar Pradesh, centered on the historic city of Prayagraj at the confluence of the Ganges, Yamuna, and mythical Saraswati rivers.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d8838b5fbc81908c6575c132b82e80 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e37bfcbb6881909c0419174dd017dc completed April 18, 2026, 12:41 p.m.
NED1 Entity disambiguation (via context triple) batch_6a009d2f7ad88190ba85a79154502841 completed May 10, 2026, 2:58 p.m.
Created at: April 10, 2026, 5:18 a.m.