Triple
T13997935
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Elkader, Iowa |
E336748
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
historic Keystone Bridge
The historic Keystone Bridge is a prominent 19th-century stone arch bridge in Elkader, Iowa, noted for its distinctive masonry construction and local landmark status.
|
E1074720
|
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: historic Keystone Bridge | Statement: [Elkader, Iowa, hasLandmark, historic Keystone Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: historic Keystone Bridge Context triple: [Elkader, Iowa, hasLandmark, historic Keystone Bridge]
-
A.
Old Packhorse Bridge
Old Packhorse Bridge is a historic 18th-century stone arch bridge in Carrbridge, Scotland, renowned as one of the oldest surviving bridges in the Highlands.
-
B.
Centennial Covered Bridge
Centennial Covered Bridge is a historic-style covered bridge in Cottage Grove, Oregon, built to commemorate the state's centennial and highlight the area's rich covered-bridge heritage.
-
C.
Old Bridge
Old Bridge is a historic bridge and notable landmark in the town of Bridgend, Wales.
-
D.
Old Bridge
Old Bridge is a historic stone arch bridge in Pontypridd, Wales, noted for its distinctive single-span design and role as a local landmark.
-
E.
Old Bridge
Old Bridge is the historic section of Rochester Bridge in Rochester, England, known for its longstanding role in carrying traffic across the River Medway.
- 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: historic Keystone Bridge Triple: [Elkader, Iowa, hasLandmark, historic Keystone Bridge]
Generated description
The historic Keystone Bridge is a prominent 19th-century stone arch bridge in Elkader, Iowa, noted for its distinctive masonry construction and local landmark status.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: historic Keystone Bridge Target entity description: The historic Keystone Bridge is a prominent 19th-century stone arch bridge in Elkader, Iowa, noted for its distinctive masonry construction and local landmark status.
-
A.
Old Packhorse Bridge
Old Packhorse Bridge is a historic 18th-century stone arch bridge in Carrbridge, Scotland, renowned as one of the oldest surviving bridges in the Highlands.
-
B.
Centennial Covered Bridge
Centennial Covered Bridge is a historic-style covered bridge in Cottage Grove, Oregon, built to commemorate the state's centennial and highlight the area's rich covered-bridge heritage.
-
C.
Old Bridge
Old Bridge is a historic bridge and notable landmark in the town of Bridgend, Wales.
-
D.
Old Bridge
Old Bridge is a historic stone arch bridge in Pontypridd, Wales, noted for its distinctive single-span design and role as a local landmark.
-
E.
Old Bridge
Old Bridge is the historic section of Rochester Bridge in Rochester, England, known for its longstanding role in carrying traffic across the River Medway.
- 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_69d81c645c5c8190b1fd16a285a1b78a |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2eb68ba88190bfaf10777d607bf3 |
completed | April 14, 2026, 12:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fbac9f1f6c8190af7ddac920661bd5 |
completed | May 6, 2026, 9:03 p.m. |
| NEDg | Description generation | batch_69fbae3d04f081908c8d28148b4f1de0 |
completed | May 6, 2026, 9:10 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fbaf41636c8190bf44bd238bd9d9a4 |
completed | May 6, 2026, 9:14 p.m. |
Created at: April 9, 2026, 10:19 p.m.