Triple
T8871134
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Winterset, Iowa |
E211156
|
entity |
| Predicate | hasHistoricStructure |
P1098
|
FINISHED |
| Object |
Cedar Bridge (reconstructed)
Cedar Bridge (reconstructed) is a rebuilt version of one of Madison County’s famed covered bridges in Winterset, Iowa, restored to preserve its historic and cultural significance.
|
E763434
|
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: Cedar Bridge (reconstructed) | Statement: [Winterset, Iowa, hasHistoricStructure, Cedar Bridge (reconstructed)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cedar Bridge (reconstructed) Context triple: [Winterset, Iowa, hasHistoricStructure, Cedar Bridge (reconstructed)]
-
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.
Galena Creek Bridge
Galena Creek Bridge is a large concrete arch highway bridge in Nevada known for carrying traffic through the mountainous terrain south of Reno.
-
C.
Junction Bridge
Junction Bridge is a historic former railroad bridge in downtown Little Rock, Arkansas, that has been converted into a pedestrian and bicycle crossing over the Arkansas River.
-
D.
Strawberry Creek bridge
Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
-
E.
Contoocook Railroad Bridge
The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
- 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: Cedar Bridge (reconstructed) Triple: [Winterset, Iowa, hasHistoricStructure, Cedar Bridge (reconstructed)]
Generated description
Cedar Bridge (reconstructed) is a rebuilt version of one of Madison County’s famed covered bridges in Winterset, Iowa, restored to preserve its historic and cultural significance.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cedar Bridge (reconstructed) Target entity description: Cedar Bridge (reconstructed) is a rebuilt version of one of Madison County’s famed covered bridges in Winterset, Iowa, restored to preserve its historic and cultural significance.
-
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.
Galena Creek Bridge
Galena Creek Bridge is a large concrete arch highway bridge in Nevada known for carrying traffic through the mountainous terrain south of Reno.
-
C.
Junction Bridge
Junction Bridge is a historic former railroad bridge in downtown Little Rock, Arkansas, that has been converted into a pedestrian and bicycle crossing over the Arkansas River.
-
D.
Strawberry Creek bridge
Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
-
E.
Contoocook Railroad Bridge
The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
- 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_69cfa0ea9f5c8190b5c32fb1fefdc68b |
completed | April 3, 2026, 11:13 a.m. |
| NEDg | Description generation | batch_69cfa191d7d0819085a6b9bf7fa56067 |
completed | April 3, 2026, 11:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfa28b1d1c8190ab4a10ba8fa7259d |
completed | April 3, 2026, 11:20 a.m. |
Created at: March 30, 2026, 6:51 p.m.