Triple

T21143679
Position Surface form Disambiguated ID Type / Status
Subject Howrah–Delhi main line E520995 entity
Predicate startMetropolitanArea P143030 FINISHED
Object Kolkata NE NERFINISHED

How this triple was built (3 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 | Statement: [Howrah–Delhi main line, startMetropolitanArea, Kolkata]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kolkata
Context triple: [Howrah–Delhi main line, startMetropolitanArea, Kolkata]
  • A. Calcutta chosen
    Calcutta, now known as Kolkata, is a major cultural and commercial metropolis in eastern India that served as the capital of British India until the early 20th century.
  • B. Mambai
    Mambai is an Austronesian language spoken primarily in East Timor, where it is one of the country’s major indigenous languages.
  • C. Dispur
    Dispur is a locality in Guwahati that serves as the administrative and political center of the Indian state of Assam.
  • D. Kolkata Metropolitan Area
    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.
  • E. Kharagpur
    Kharagpur is an industrial city in eastern India best known for hosting the first campus of the Indian Institute of Technology (IIT Kharagpur) and one of the country’s longest railway platforms.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: startMetropolitanArea
Context triple: [Howrah–Delhi main line, startMetropolitanArea, Kolkata]
  • A. metropolitanAreaWith
    Indicates that one entity is a metropolitan area that includes, is associated with, or encompasses the other entity.
  • B. metropolitanOf
    Indicates that one place serves as the primary metropolitan center or core urban area for another place or region.
  • C. isMetropolitanOf
    Indicates that one entity is the primary metropolitan area or major urban center associated with another entity, such as a region, country, or administrative division.
  • D. metropolitanAreaType
    Indicates the classification of a metropolitan area according to its type or category (e.g., size, function, or administrative status).
  • E. largestMetropolitanArea
    Indicates that one entity is the largest metropolitan area associated with, contained within, or relevant to another entity, typically by population or spatial extent.
  • F. None of above. chosen

Provenance (4 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_69e0b50c6a848190a4e525a77a319b8a completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e723fbb29881909c4036eab46ed440 completed April 21, 2026, 7:15 a.m.
PD Predicate disambiguation batch_69e5f5f8a5bc819081918c7fa8e4496d completed April 20, 2026, 9:46 a.m.
PDg Predicate description generation batch_69e5f993240c8190847c0b08e65726c8 completed April 20, 2026, 10:01 a.m.
Created at: April 16, 2026, 2:57 p.m.