Triple

T11154074
Position Surface form Disambiguated ID Type / Status
Subject Sandy River E263859 entity
Predicate hasBridge P386 FINISHED
Object Historic Columbia River Highway bridge over Sandy River
The Historic Columbia River Highway bridge over the Sandy River is an early 20th-century reinforced-concrete arch bridge in Oregon, notable for its elegant design and role in the scenic Historic Columbia River Highway.
E908490 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 Columbia River Highway bridge over Sandy River | Statement: [Sandy River, hasBridge, Historic Columbia River Highway bridge over Sandy River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Historic Columbia River Highway bridge over Sandy River
Context triple: [Sandy River, hasBridge, Historic Columbia River Highway bridge over Sandy River]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Umatilla Bridge
    Umatilla Bridge is a highway bridge carrying Interstate 82 across the Columbia River between Oregon and Washington.
  • 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 Columbia River Highway bridge over Sandy River
Triple: [Sandy River, hasBridge, Historic Columbia River Highway bridge over Sandy River]
Generated description
The Historic Columbia River Highway bridge over the Sandy River is an early 20th-century reinforced-concrete arch bridge in Oregon, notable for its elegant design and role in the scenic Historic Columbia River Highway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Historic Columbia River Highway bridge over Sandy River
Target entity description: The Historic Columbia River Highway bridge over the Sandy River is an early 20th-century reinforced-concrete arch bridge in Oregon, notable for its elegant design and role in the scenic Historic Columbia River Highway.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Umatilla Bridge
    Umatilla Bridge is a highway bridge carrying Interstate 82 across the Columbia River between Oregon and Washington.
  • 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_69d6aa9ccddc8190868998c8b7beb060 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e872ffbc8190b8a3bbd912115342 completed April 9, 2026, 5:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69e46341f224819099dd618b377e5bc2 completed April 19, 2026, 5:08 a.m.
NEDg Description generation batch_69e46c3448348190b2c062d21771066d completed April 19, 2026, 5:46 a.m.
NED2 Entity disambiguation (via description) batch_69e46dadbc5c8190b41279a05731dc95 completed April 19, 2026, 5:52 a.m.
Created at: April 8, 2026, 9:28 p.m.