Triple

T6589604
Position Surface form Disambiguated ID Type / Status
Subject Sheffield, Massachusetts E159314 entity
Predicate hasHistoricSite P1098 FINISHED
Object Old Covered Bridge (Sheffield)
Old Covered Bridge in Sheffield is a historic wooden covered bridge in Massachusetts, notable for its traditional 19th-century New England bridge architecture and preservation.
E603400 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: Old Covered Bridge (Sheffield) | Statement: [Sheffield, Massachusetts, hasHistoricSite, Old Covered Bridge (Sheffield)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Old Covered Bridge (Sheffield)
Context triple: [Sheffield, Massachusetts, hasHistoricSite, Old Covered Bridge (Sheffield)]
  • A. Castlefield Viaduct
    Castlefield Viaduct is a historic elevated railway viaduct in Manchester, England, now notable for its transformation into an urban sky park and public green space.
  • B. Sandfield Bridge
    Sandfield Bridge is a road bridge spanning the Gloucester and Sharpness Canal in Gloucestershire, England.
  • 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. Derwent Bridge
    Derwent Bridge is a small remote settlement in Tasmania, Australia, known primarily as a gateway and service point for visitors to the Cradle Mountain–Lake St Clair National Park.
  • E. Stockport Viaduct
    Stockport Viaduct is a large 19th-century brick railway viaduct in Stockport, England, notable for its many arches and its role in carrying the West Coast Main Line across the River Mersey.
  • 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: Old Covered Bridge (Sheffield)
Triple: [Sheffield, Massachusetts, hasHistoricSite, Old Covered Bridge (Sheffield)]
Generated description
Old Covered Bridge in Sheffield is a historic wooden covered bridge in Massachusetts, notable for its traditional 19th-century New England bridge architecture and preservation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Old Covered Bridge (Sheffield)
Target entity description: Old Covered Bridge in Sheffield is a historic wooden covered bridge in Massachusetts, notable for its traditional 19th-century New England bridge architecture and preservation.
  • A. Castlefield Viaduct
    Castlefield Viaduct is a historic elevated railway viaduct in Manchester, England, now notable for its transformation into an urban sky park and public green space.
  • B. Sandfield Bridge
    Sandfield Bridge is a road bridge spanning the Gloucester and Sharpness Canal in Gloucestershire, England.
  • 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. Derwent Bridge
    Derwent Bridge is a small remote settlement in Tasmania, Australia, known primarily as a gateway and service point for visitors to the Cradle Mountain–Lake St Clair National Park.
  • E. Stockport Viaduct
    Stockport Viaduct is a large 19th-century brick railway viaduct in Stockport, England, notable for its many arches and its role in carrying the West Coast Main Line across the River Mersey.
  • 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_69c688366ce8819083f8883983c0df92 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6aeb201e88190808cf5779349f96c completed March 27, 2026, 4:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6d57bde388190919ff6820e1b9610 completed March 27, 2026, 7:07 p.m.
NEDg Description generation batch_69c6d6adc8c88190aa4ed066a2c99657 completed March 27, 2026, 7:12 p.m.
NED2 Entity disambiguation (via description) batch_69c6d8486534819080b75cad9cc32276 completed March 27, 2026, 7:19 p.m.
Created at: March 27, 2026, 1:55 p.m.