Triple

T8148790
Position Surface form Disambiguated ID Type / Status
Subject Interstate 82 in Oregon E190279 entity
Predicate bridgeName P26021 FINISHED
Object Umatilla Bridge
Umatilla Bridge is a highway bridge carrying Interstate 82 across the Columbia River between Oregon and Washington.
 E849166 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: Umatilla Bridge | Statement: [Interstate 82 in Oregon, bridgeName, Umatilla Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Umatilla Bridge
Context triple: [Interstate 82 in Oregon, bridgeName, Umatilla Bridge]
  • A. 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.
  • B. Oregon Slough Railroad Bridge
    The Oregon Slough Railroad Bridge is a historic swing-span railway bridge in Portland, Oregon, carrying freight and passenger trains across the North Portland Harbor channel of the Columbia River.
  • C. Winona Bridge
    Winona Bridge is a historic steel truss bridge spanning the Mississippi River at Winona, Minnesota, serving as a key transportation link between Minnesota and Wisconsin.
  • D. 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.
  • E. Siuslaw River Bridge
    The Siuslaw River Bridge is a historic Art Deco–style bascule bridge on the Oregon Coast, notable for carrying U.S. Route 101 across the Siuslaw River at Florence.
  • 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: Umatilla Bridge
Triple: [Interstate 82 in Oregon, bridgeName, Umatilla Bridge]
Generated description
Umatilla Bridge is a highway bridge carrying Interstate 82 across the Columbia River between Oregon and Washington.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Umatilla Bridge
Target entity description: Umatilla Bridge is a highway bridge carrying Interstate 82 across the Columbia River between Oregon and Washington.
  • A. 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.
  • B. Oregon Slough Railroad Bridge
    The Oregon Slough Railroad Bridge is a historic swing-span railway bridge in Portland, Oregon, carrying freight and passenger trains across the North Portland Harbor channel of the Columbia River.
  • C. Winona Bridge
    Winona Bridge is a historic steel truss bridge spanning the Mississippi River at Winona, Minnesota, serving as a key transportation link between Minnesota and Wisconsin.
  • D. 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.
  • E. Siuslaw River Bridge
    The Siuslaw River Bridge is a historic Art Deco–style bascule bridge on the Oregon Coast, notable for carrying U.S. Route 101 across the Siuslaw River at Florence.
  • 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_69ca82be7ba8819087de0147e9292c83 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb447e74e081908df774edb2134209 completed March 31, 2026, 3:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69d5c75980e4819080f486b454f211a2 completed April 8, 2026, 3:11 a.m.
NEDg Description generation batch_69d5c7b2997c8190935c9be972b3ada8 completed April 8, 2026, 3:12 a.m.
NED2 Entity disambiguation (via description) batch_69d5c7ff6dc48190b9bbd1beebc7a17f completed April 8, 2026, 3:14 a.m.
Created at: March 30, 2026, 5:37 p.m.