Triple

T409357
Position Surface form Disambiguated ID Type / Status
Subject River Mersey E9452 entity
Predicate crossedBy P416 FINISHED
Object Mersey Gateway Bridge
The Mersey Gateway Bridge is a modern six-lane toll bridge in northwest England that carries road traffic across the River Mersey between Runcorn and Widnes.
E52293 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: Mersey Gateway Bridge | Statement: [River Mersey, crossedBy, Mersey Gateway Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mersey Gateway Bridge
Context triple: [River Mersey, crossedBy, Mersey Gateway Bridge]
  • A. Ha'penny Bridge
    Ha'penny Bridge is a historic cast-iron pedestrian bridge over the River Liffey and one of Dublin’s most iconic symbols.
  • B. Severn Bridge
    Severn Bridge is a major suspension bridge in the United Kingdom that spans the River Severn and connects England with South Wales.
  • C. Prince of Wales Bridge
    The Prince of Wales Bridge is a major road bridge spanning the River Severn between England and Wales, carrying the M4 motorway as a key cross-border transport link.
  • D. Long Bridge
    Long Bridge is a major railroad bridge over the Potomac River in Washington, D.C., carrying freight and passenger trains between the District of Columbia and Virginia.
  • E. Hammersmith Bridge
    Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
  • 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: Mersey Gateway Bridge
Triple: [River Mersey, crossedBy, Mersey Gateway Bridge]
Generated description
The Mersey Gateway Bridge is a modern six-lane toll bridge in northwest England that carries road traffic across the River Mersey between Runcorn and Widnes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mersey Gateway Bridge
Target entity description: The Mersey Gateway Bridge is a modern six-lane toll bridge in northwest England that carries road traffic across the River Mersey between Runcorn and Widnes.
  • A. Ha'penny Bridge
    Ha'penny Bridge is a historic cast-iron pedestrian bridge over the River Liffey and one of Dublin’s most iconic symbols.
  • B. Severn Bridge
    Severn Bridge is a major suspension bridge in the United Kingdom that spans the River Severn and connects England with South Wales.
  • C. Prince of Wales Bridge
    The Prince of Wales Bridge is a major road bridge spanning the River Severn between England and Wales, carrying the M4 motorway as a key cross-border transport link.
  • D. Long Bridge
    Long Bridge is a major railroad bridge over the Potomac River in Washington, D.C., carrying freight and passenger trains between the District of Columbia and Virginia.
  • E. Hammersmith Bridge
    Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
  • 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_69a2e80111fc8190961d5b7c6154123f completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ecc098c4819088d127c5ea55ced9 completed Feb. 28, 2026, 1:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69a41b47e87c8190bb9e62dcee7a59c6 completed March 1, 2026, 10:56 a.m.
NEDg Description generation batch_69a41bff0e808190bc83036a3abd6679 completed March 1, 2026, 10:59 a.m.
NED2 Entity disambiguation (via description) batch_69a41c51dbb48190a66f7e830089322e completed March 1, 2026, 11 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.