Triple

T14882693
Position Surface form Disambiguated ID Type / Status
Subject Barrackpore railway station E350038 entity
Predicate railwayDivision P1921 FINISHED
Object Sealdah railway division E640145 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: Sealdah railway division | Statement: [Barrackpore railway station, railwayDivision, Sealdah railway division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sealdah railway division
Context triple: [Barrackpore railway station, railwayDivision, Sealdah railway division]
  • A. Sealdah railway division chosen
    Sealdah railway division is a major administrative and operational division of Indian Railways based in Kolkata, serving one of the busiest suburban and long-distance rail networks in eastern India.
  • B. Howrah railway division
    Howrah railway division is a major administrative division of Indian Railways under the Eastern Railway zone, overseeing railway operations and infrastructure centered around Howrah in West Bengal.
  • C. Kharagpur railway division
    Kharagpur railway division is a major administrative and operational division of Indian Railways, centered on Kharagpur in West Bengal and known for handling significant rail traffic and maintenance activities.
  • D. Alipurduar railway division
    Alipurduar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Alipurduar region of West Bengal.
  • E. Malda railway division
    Malda railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Malda region of West Bengal.
  • 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_69d822ee4f408190b6ac3b2fa434f0df completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69ded5e7c0e48190af2d68a71130585c completed April 15, 2026, 12:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe6b5af8208190a35451477ea20b03 completed May 8, 2026, 11:01 p.m.
Created at: April 10, 2026, 1:56 a.m.