Triple

T8352003
Position Surface form Disambiguated ID Type / Status
Subject Howrah railway division E196583 entity
Predicate railwayZoneHeadquarterLocation P22571 FINISHED
Object Kolkata E4838 NE FINISHED

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 railway division, railwayZoneHeadquarterLocation, Kolkata]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kolkata
Context triple: [Howrah railway division, railwayZoneHeadquarterLocation, 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: railwayZoneHeadquarterLocation
Context triple: [Howrah railway division, railwayZoneHeadquarterLocation, Kolkata]
  • A. railwayDivisionHeadquartersOf
    Indicates that one location serves as the administrative headquarters for a specified railway division.
  • B. hasRailwayHeadquarters chosen
    Indicates that a railway organization or system has its main administrative or operational headquarters located at a specified place.
  • C. railwayZoneNumber
    Indicates the specific numbered zone of a railway network within which the referenced entity is located or classified.
  • D. railwayStationFor
    Indicates a relationship where a railway station serves, is designated for, or primarily associated with a particular place, line, or service.
  • E. railTerminus
    Indicates that a railway line or service ends at a particular station or location, which serves as its final terminus.
  • F. None of above.

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_69ca82f08b348190bfb7881944bbff6f completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb80460f048190aa298ddffde1047d completed March 31, 2026, 8:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69cdc6804a0c819091a6f46ef6c5670d completed April 2, 2026, 1:29 a.m.
PD Predicate disambiguation batch_69cb70c6d0ec8190acf273b0e007b51a completed March 31, 2026, 6:59 a.m.
Created at: March 30, 2026, 5:59 p.m.