Triple

T7040356
Position Surface form Disambiguated ID Type / Status
Subject Lea Valley lines E163493 entity
Predicate includesRoute P4374 FINISHED
Object Liverpool Street to Chingford line E636407 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: Liverpool Street to Chingford line | Statement: [Lea Valley lines, includesRoute, Liverpool Street to Chingford line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Liverpool Street to Chingford line
Context triple: [Lea Valley lines, includesRoute, Liverpool Street to Chingford line]
  • A. Chingford branch line chosen
    The Chingford branch line is a suburban railway route in northeast London that connects central London with the Chingford area, serving several intermediate stations along the way.
  • B. Romford–Upminster line
    The Romford–Upminster line is a short suburban railway in east London linking Romford and Upminster, operated as part of the London Overground network.
  • C. Sidcup Line
    The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
  • D. North London line
    The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
  • E. Eastleigh–Romsey line
    The Eastleigh–Romsey line is a regional railway route in Hampshire, England, connecting the towns of Eastleigh and Romsey and serving intermediate communities such as Chandler's Ford.
  • 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_69c6885e7c1c8190be32a8f79ab4e0cf completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e22544708190b0dffb5256d4cda6 completed March 27, 2026, 8:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7886a24c48190bb461f26f87d6ef8 completed March 28, 2026, 7:51 a.m.
Created at: March 27, 2026, 2:36 p.m.