Triple

T16733962
Position Surface form Disambiguated ID Type / Status
Subject Seven Sisters Underground station E406668 entity
Predicate isOnRoute P2127 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: [Seven Sisters Underground station, isOnRoute, 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: [Seven Sisters Underground station, isOnRoute, Liverpool Street to Chingford line]
  • A. Liverpool Street to Enfield Town line
    The Liverpool Street to Enfield Town line is a suburban commuter rail route in North and East London that runs from London Liverpool Street to Enfield Town as part of the Lea Valley rail network.
  • B. 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.
  • C. Epping line
    The Epping line was a suburban railway line in Melbourne, Australia, that historically served the northern suburbs before being extended and renamed the Mernda line.
  • D. 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.
  • E. Liverpool Street to Cheshunt line
    The Liverpool Street to Cheshunt line is a suburban rail route in London and Hertfordshire that connects central London’s Liverpool Street station with the town of Cheshunt, serving multiple intermediate stations in the Lea Valley.
  • 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_69d8838ffb088190a0b11149929006bf completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e39c38c9cc8190a3220cc3684388dc completed April 18, 2026, 2:59 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00aaf1853c819084d636afe8f3cb2e completed May 10, 2026, 3:57 p.m.
Created at: April 10, 2026, 5:20 a.m.