Triple

T2261137
Position Surface form Disambiguated ID Type / Status
Subject Severn Bridge E50040 entity
Predicate hasApproachStructure P37520 FINISHED
Object Beachley Viaduct
Beachley Viaduct is a road bridge in Gloucestershire, England, that carries the M48 motorway across the Beachley peninsula as part of the Severn Bridge crossing between England and Wales.
E405548 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: Beachley Viaduct | Statement: [Severn Bridge, hasApproachStructure, Beachley Viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Beachley Viaduct
Context triple: [Severn Bridge, hasApproachStructure, Beachley Viaduct]
  • A. Newkirk Viaduct
    The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
  • B. Linn Cove Viaduct
    Linn Cove Viaduct is a renowned, curving concrete bridge that hugs the side of Grandfather Mountain in North Carolina, celebrated for its innovative design that minimized environmental impact along the Blue Ridge Parkway.
  • C. Hathaway Bridge
    Hathaway Bridge is a major vehicular bridge in Bay County, Florida, carrying traffic across St. Andrew Bay as part of a key Gulf Coast transportation route.
  • D. Agate Pass Bridge
    Agate Pass Bridge is a steel cantilever truss bridge in Washington State that carries State Route 305 between Bainbridge Island and the Kitsap Peninsula.
  • E. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • 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: Beachley Viaduct
Triple: [Severn Bridge, hasApproachStructure, Beachley Viaduct]
Generated description
Beachley Viaduct is a road bridge in Gloucestershire, England, that carries the M48 motorway across the Beachley peninsula as part of the Severn Bridge crossing between England and Wales.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Beachley Viaduct
Target entity description: Beachley Viaduct is a road bridge in Gloucestershire, England, that carries the M48 motorway across the Beachley peninsula as part of the Severn Bridge crossing between England and Wales.
  • A. Newkirk Viaduct
    The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
  • B. Linn Cove Viaduct
    Linn Cove Viaduct is a renowned, curving concrete bridge that hugs the side of Grandfather Mountain in North Carolina, celebrated for its innovative design that minimized environmental impact along the Blue Ridge Parkway.
  • C. Hathaway Bridge
    Hathaway Bridge is a major vehicular bridge in Bay County, Florida, carrying traffic across St. Andrew Bay as part of a key Gulf Coast transportation route.
  • D. Agate Pass Bridge
    Agate Pass Bridge is a steel cantilever truss bridge in Washington State that carries State Route 305 between Bainbridge Island and the Kitsap Peninsula.
  • E. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • 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_69a88b01e0048190ba96431b5f990ba9 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc5b262488190b6455d1d28d2306d completed March 7, 2026, 6:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69b54c0e702081909384b804fb1ade90 completed March 14, 2026, 11:52 a.m.
NEDg Description generation batch_69b54c93863c819099e1a8d5bce2dced completed March 14, 2026, 11:54 a.m.
NED2 Entity disambiguation (via description) batch_69b54d853f3881909f6ab8b83ad0e064 completed March 14, 2026, 11:59 a.m.
Created at: March 4, 2026, 7:48 p.m.