Triple

T15545599
Position Surface form Disambiguated ID Type / Status
Subject Waterloo railway station E370600 entity
Predicate servedByLine P1293 FINISHED
Object Northern Line E61912 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: Northern Line | Statement: [Waterloo railway station, servedByLine, Northern Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern Line
Context triple: [Waterloo railway station, servedByLine, Northern Line]
  • A. Northern Line
    The Northern Line is a major commuter rail route in the Merseyrail network serving Liverpool and surrounding areas in North West England.
  • B. Northern line chosen
    The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
  • C. Liverpool City Line
    Liverpool City Line is a suburban rail network serving Liverpool and its surrounding areas, providing frequent commuter services across multiple routes in the Merseyside region.
  • D. Linha do Norte (Northern Line)
    Linha do Norte (Northern Line) is Portugal’s principal mainline railway corridor, linking Lisbon to Porto and serving as the country’s busiest and most important rail route.
  • E. Trafford Park Line
    The Trafford Park Line is a light rail route on Greater Manchester's Metrolink network that serves key destinations including the Trafford Centre and the Trafford Park industrial area.
  • 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_69d85cc521a08190921fb50319dddc34 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e0443410408190a249889edcd9c599 completed April 16, 2026, 2:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff56bdbca08190b5eb541c5eb4bb09 completed May 9, 2026, 3:46 p.m.
Created at: April 10, 2026, 4:07 a.m.