Triple

T21061193
Position Surface form Disambiguated ID Type / Status
Subject Holborn Viaduct station E518849 entity
Predicate connectedTo P37 FINISHED
Object Blackfriars railway bridge via approach tracks NE NERFINISHED

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: Blackfriars railway bridge via approach tracks | Statement: [Holborn Viaduct station, connectedTo, Blackfriars railway bridge via approach tracks]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Blackfriars railway bridge via approach tracks
Context triple: [Holborn Viaduct station, connectedTo, Blackfriars railway bridge via approach tracks]
  • A. Blackfriars Railway Bridge chosen
    Blackfriars Railway Bridge is a historic railway bridge over the River Thames in central London, carrying train services into Blackfriars station and notable for its prominent position near the City of London.
  • B. London Bridge approaches and viaducts
    London Bridge approaches and viaducts are the elevated railway structures and connecting infrastructure that carry rail lines into and out of London Bridge station in central London.
  • C. Oxford Road railway viaducts
    The Oxford Road railway viaducts are a series of elevated railway structures in Manchester, England, carrying multiple rail lines through the cityscape near Oxford Road and forming a prominent feature of the local urban and transport infrastructure.
  • D. Brentford railway bridges
    Brentford railway bridges are a pair of historic railway viaducts in west London that carry rail lines across the River Thames near Brentford.
  • E. Forth Rail Bridge (northern approaches)
    The Forth Rail Bridge (northern approaches) is the section of the iconic cantilever railway bridge in eastern Scotland that spans toward and connects into the coastal landscapes of Fife.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0b505ef108190b25dd4033e2ff7eb completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e6feaf3edc81909423e039cac6bd87 completed April 21, 2026, 4:35 a.m.
Created at: April 16, 2026, 2:38 p.m.