Triple

T10057755
Position Surface form Disambiguated ID Type / Status
Subject Clapham South Underground station E208904 entity
Predicate lineSection P43954 FINISHED
Object Morden branch of the Northern line E745549 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: Morden branch of the Northern line | Statement: [Clapham South Underground station, lineSection, Morden branch of the Northern line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Morden branch of the Northern line
Context triple: [Clapham South Underground station, lineSection, Morden branch of the Northern line]
  • A. Northern line Morden branch chosen
    The Northern line Morden branch is a section of London Underground’s Northern line running through south London to Morden, serving a series of suburban stations including Clapham Common.
  • B. Bury Line
    The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
  • C. Ealing Broadway branch of the District line
    The Ealing Broadway branch of the District line is a western suburban section of London’s Underground network that runs between central London and Ealing Broadway, serving key stations in west London.
  • D. Richmond branch of the District line
    The Richmond branch of the District line is a western suburban section of London’s Underground network running between central London and Richmond in southwest London.
  • E. 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.
  • 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_69ca836094408190a36a1ea7e9a86fcd completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cdcfaf7700819084dedf7b63e789c1 completed April 2, 2026, 2:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69d29a5d4b308190b5b1ece1ca99be86 completed April 5, 2026, 5:22 p.m.
Created at: March 30, 2026, 8:57 p.m.