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.