Triple

T19898113
Position Surface form Disambiguated ID Type / Status
Subject Leytonstone Underground station E478204 entity
Predicate originalOperator P179 FINISHED
Object Eastern Counties Railway — NE NERFINISHED

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: Eastern Counties Railway | Statement: [Leytonstone Underground station, originalOperator, Eastern Counties Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Eastern Counties Railway
Context triple: [Leytonstone Underground station, originalOperator, Eastern Counties Railway]
  • A. Eastern Counties Railway chosen
    Eastern Counties Railway was a 19th-century British railway company that developed key lines in eastern England, including routes serving Cambridge and London.
  • B. Boston, Sleaford and Midland Counties Railway
    The Boston, Sleaford and Midland Counties Railway was a 19th-century British railway company that developed and operated lines connecting Boston and Sleaford to the wider Midland counties network.
  • C. North Norfolk Railway
    North Norfolk Railway is a heritage steam and diesel railway in Norfolk, England, offering scenic rides along the county’s picturesque coastline and countryside.
  • D. North Eastern Railway
    North Eastern Railway is a major zone of Indian Railways that manages rail operations across parts of northern and eastern India.
  • E. North Eastern Railway
    North Eastern Railway was a major pre-grouping British railway company in northern England, known for operating key routes in Yorkshire, County Durham, and Northumberland before being absorbed into the London and North Eastern Railway in 1923.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8e520682081909892916424699bd5 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6593ef8dc8190be5b64988eceafac completed April 20, 2026, 4:50 p.m.
Created at: April 10, 2026, 1:52 p.m.