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.