Triple

T20057681
Position Surface form Disambiguated ID Type / Status
Subject River Thames at Brentford E499382 entity
Predicate crossedBy P416 FINISHED
Object 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.
E1408947 NE FINISHED

How this triple was built (4 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: Brentford railway bridges | Statement: [River Thames at Brentford, crossedBy, Brentford railway bridges]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brentford railway bridges
Context triple: [River Thames at Brentford, crossedBy, Brentford railway bridges]
  • A. Fulham Railway Bridge
    Fulham Railway Bridge is a steel truss railway bridge over the River Thames in London, carrying the District line between Putney and Fulham.
  • B. Medway Viaducts
    Medway Viaducts are a set of major bridges in Kent, England, carrying road and high-speed rail traffic across the River Medway as part of key national transport routes.
  • C. Blackfriars Railway Bridge
    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.
  • D. Epping Road bridge
    The Epping Road bridge is a major road bridge in Sydney, Australia, carrying Epping Road across the Lane Cove River as part of a key arterial route on the city’s North Shore.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Brentford railway bridges
Triple: [River Thames at Brentford, crossedBy, Brentford railway bridges]
Generated description
Brentford railway bridges are a pair of historic railway viaducts in west London that carry rail lines across the River Thames near Brentford.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brentford railway bridges
Target entity description: Brentford railway bridges are a pair of historic railway viaducts in west London that carry rail lines across the River Thames near Brentford.
  • A. Fulham Railway Bridge
    Fulham Railway Bridge is a steel truss railway bridge over the River Thames in London, carrying the District line between Putney and Fulham.
  • B. Medway Viaducts
    Medway Viaducts are a set of major bridges in Kent, England, carrying road and high-speed rail traffic across the River Medway as part of key national transport routes.
  • C. Blackfriars Railway Bridge
    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.
  • D. Epping Road bridge
    The Epping Road bridge is a major road bridge in Sydney, Australia, carrying Epping Road across the Lane Cove River as part of a key arterial route on the city’s North Shore.
  • E. 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.
  • F. None of above. chosen

Provenance (5 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_69da6276bcf48190aabbf279192a5fb4 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6637325908190aefc0e27e2ed5750 completed April 20, 2026, 5:33 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08160e5fe481909cac91327be89022 completed May 16, 2026, 7 a.m.
NEDg Description generation batch_6a0816d3c71081909138d3144a108266 completed May 16, 2026, 7:03 a.m.
NED2 Entity disambiguation (via description) batch_6a081798cb48819084ab456f79b68eb9 completed May 16, 2026, 7:07 a.m.
Created at: April 11, 2026, 3:38 p.m.