Triple

T11345802
Position Surface form Disambiguated ID Type / Status
Subject Romford–Upminster line E268708 entity
Predicate originalOperator P179 FINISHED
Object London, Tilbury and Southend Railway E272468 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: London, Tilbury and Southend Railway | Statement: [Romford–Upminster line, originalOperator, London, Tilbury and Southend Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London, Tilbury and Southend Railway
Context triple: [Romford–Upminster line, originalOperator, London, Tilbury and Southend Railway]
  • A. London, Tilbury and Southend line chosen
    The London, Tilbury and Southend line is a key commuter and regional railway route in southeast England linking central London with Tilbury, Southend and surrounding areas along the north bank of the Thames.
  • B. North London Railway
    The North London Railway was a British railway company that operated suburban and freight services across north London during the 19th and early 20th centuries.
  • C. London and Greenwich Railway
    The London and Greenwich Railway was one of the earliest passenger railways in London and the first in the capital to be built on a viaduct, forming a key part of the city's early rail infrastructure.
  • D. London and Croydon Railway
    The London and Croydon Railway was an early 19th-century British railway company that operated one of the first mainline routes in the London area, later becoming part of the Southern Railway network.
  • E. London and Southampton Railway
    The London and Southampton Railway was an early 19th-century British railway company that built and operated the main line linking London with the port city of Southampton.
  • 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_69d6aacbe18081909e5fadb50082dd96 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7ea1f9574819089760c5b5908f09e completed April 9, 2026, 6:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69e5437fb1208190892fa6b05c92478e completed April 19, 2026, 9:05 p.m.
Created at: April 8, 2026, 9:33 p.m.