Triple
T14255578
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nenana |
E353374
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Nenana River railroad bridge
The Nenana River railroad bridge is a historic steel truss bridge in Nenana, Alaska, that carries the Alaska Railroad across the Nenana River and was once among the longest simple truss spans in the world.
|
E1090139
|
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: Nenana River railroad bridge | Statement: [Nenana, hasStructure, Nenana River railroad bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nenana River railroad bridge Context triple: [Nenana, hasStructure, Nenana River railroad bridge]
-
A.
Umatilla Bridge
Umatilla Bridge is a highway bridge carrying Interstate 82 across the Columbia River between Oregon and Washington.
-
B.
Northwater Bridge
Northwater Bridge is a small settlement in Angus, Scotland, situated near the River North Esk and known primarily for the historic bridge that gives it its name.
-
C.
Salmon Falls River Bridge
Salmon Falls River Bridge is a historic span that carries traffic across the Salmon Falls River between New Hampshire and Maine.
-
D.
Umpqua River Bridge
The Umpqua River Bridge is a historic Oregon coastal highway bridge noted for its elegant Art Deco detailing and reinforced-concrete arch design.
-
E.
Rogue River bridge
The Rogue River Bridge is a historic concrete arch bridge in Gold Beach, Oregon, that carries U.S. Route 101 across the Rogue River along the Pacific coast.
- 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: Nenana River railroad bridge Triple: [Nenana, hasStructure, Nenana River railroad bridge]
Generated description
The Nenana River railroad bridge is a historic steel truss bridge in Nenana, Alaska, that carries the Alaska Railroad across the Nenana River and was once among the longest simple truss spans in the world.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nenana River railroad bridge Target entity description: The Nenana River railroad bridge is a historic steel truss bridge in Nenana, Alaska, that carries the Alaska Railroad across the Nenana River and was once among the longest simple truss spans in the world.
-
A.
Umatilla Bridge
Umatilla Bridge is a highway bridge carrying Interstate 82 across the Columbia River between Oregon and Washington.
-
B.
Northwater Bridge
Northwater Bridge is a small settlement in Angus, Scotland, situated near the River North Esk and known primarily for the historic bridge that gives it its name.
-
C.
Salmon Falls River Bridge
Salmon Falls River Bridge is a historic span that carries traffic across the Salmon Falls River between New Hampshire and Maine.
-
D.
Umpqua River Bridge
The Umpqua River Bridge is a historic Oregon coastal highway bridge noted for its elegant Art Deco detailing and reinforced-concrete arch design.
-
E.
Rogue River bridge
The Rogue River Bridge is a historic concrete arch bridge in Gold Beach, Oregon, that carries U.S. Route 101 across the Rogue River along the Pacific coast.
- 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_69d8278c43e08190824146f4632b89a5 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de62992a188190bc046fbab5a149d6 |
completed | April 14, 2026, 3:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd325f213881909acf776ff4831c30 |
completed | May 8, 2026, 12:46 a.m. |
| NEDg | Description generation | batch_69fd3417e8e88190b099bfe4ba30f364 |
completed | May 8, 2026, 12:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd37df3dfc8190a594abb2c14e11bb |
completed | May 8, 2026, 1:09 a.m. |
Created at: April 10, 2026, 1:09 a.m.