Triple

T8871135
Position Surface form Disambiguated ID Type / Status
Subject Winterset, Iowa E211156 entity
Predicate hasHistoricStructure P1098 FINISHED
Object Roseman Bridge
Roseman Bridge is a historic covered bridge in Madison County, Iowa, famed as one of the iconic Bridges of Madison County and a popular tourist attraction.
E880165 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: Roseman Bridge | Statement: [Winterset, Iowa, hasHistoricStructure, Roseman Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Roseman Bridge
Context triple: [Winterset, Iowa, hasHistoricStructure, Roseman Bridge]
  • A. Isaac Lee Patterson Bridge
    The Isaac Lee Patterson Bridge is a historic concrete arch bridge carrying U.S. Route 101 over the Rogue River on the Oregon coast.
  • B. William R. Bennett Bridge
    The William R. Bennett Bridge is a major vehicular bridge in British Columbia, Canada, that carries Highway 97 across Okanagan Lake, connecting the city of Kelowna with communities to the west.
  • C. John P. Grace Memorial Bridge
    The John P. Grace Memorial Bridge was a cantilever truss bridge in Charleston, South Carolina, that carried U.S. Route 17 and served as a primary crossing between Charleston and Mount Pleasant for much of the 20th century.
  • D. Mark Twain Memorial Bridge
    The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
  • E. Conrad Hilton Bridge
    Conrad Hilton Bridge is a bridge named in honor of American hotel magnate Conrad Hilton, recognizing his legacy and contributions.
  • 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: Roseman Bridge
Triple: [Winterset, Iowa, hasHistoricStructure, Roseman Bridge]
Generated description
Roseman Bridge is a historic covered bridge in Madison County, Iowa, famed as one of the iconic Bridges of Madison County and a popular tourist attraction.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Roseman Bridge
Target entity description: Roseman Bridge is a historic covered bridge in Madison County, Iowa, famed as one of the iconic Bridges of Madison County and a popular tourist attraction.
  • A. Isaac Lee Patterson Bridge
    The Isaac Lee Patterson Bridge is a historic concrete arch bridge carrying U.S. Route 101 over the Rogue River on the Oregon coast.
  • B. William R. Bennett Bridge
    The William R. Bennett Bridge is a major vehicular bridge in British Columbia, Canada, that carries Highway 97 across Okanagan Lake, connecting the city of Kelowna with communities to the west.
  • C. John P. Grace Memorial Bridge
    The John P. Grace Memorial Bridge was a cantilever truss bridge in Charleston, South Carolina, that carried U.S. Route 17 and served as a primary crossing between Charleston and Mount Pleasant for much of the 20th century.
  • D. Mark Twain Memorial Bridge
    The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
  • E. Conrad Hilton Bridge
    Conrad Hilton Bridge is a bridge named in honor of American hotel magnate Conrad Hilton, recognizing his legacy and contributions.
  • 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_69ca838d3c7c8190a849566d5afd2b11 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc6126d2f88190979ab25772ee657c completed April 1, 2026, 12:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69d99859b5cc81908475fde408802607 completed April 11, 2026, 12:39 a.m.
NEDg Description generation batch_69d99e8312188190bec3090f34a7b9b9 completed April 11, 2026, 1:06 a.m.
NED2 Entity disambiguation (via description) batch_69d99f50e0888190b8e7b2547e1526af completed April 11, 2026, 1:09 a.m.
Created at: March 30, 2026, 6:51 p.m.