Triple

T15610587
Position Surface form Disambiguated ID Type / Status
Subject Charles City, Iowa E375278 entity
Predicate hasLandmark P105 FINISHED
Object Suspension bridge over the Cedar River
The suspension bridge over the Cedar River is a historic pedestrian bridge in Charles City, Iowa, known as a local landmark and scenic crossing of the river.
E1167014 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: Suspension bridge over the Cedar River | Statement: [Charles City, Iowa, hasLandmark, Suspension bridge over the Cedar River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Suspension bridge over the Cedar River
Context triple: [Charles City, Iowa, hasLandmark, Suspension bridge over the Cedar River]
  • A. 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.
  • B. Hood River Bridge
    Hood River Bridge is a toll bridge spanning the Columbia River between Hood River, Oregon, and White Salmon, Washington, serving as a key regional crossing in the Pacific Northwest.
  • 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. Rock River bridge
    Rock River bridge is a notable local bridge in Rock Rapids, Iowa, spanning the Rock River and serving as an important transportation and community landmark.
  • 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: Suspension bridge over the Cedar River
Triple: [Charles City, Iowa, hasLandmark, Suspension bridge over the Cedar River]
Generated description
The suspension bridge over the Cedar River is a historic pedestrian bridge in Charles City, Iowa, known as a local landmark and scenic crossing of the river.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Suspension bridge over the Cedar River
Target entity description: The suspension bridge over the Cedar River is a historic pedestrian bridge in Charles City, Iowa, known as a local landmark and scenic crossing of the river.
  • A. 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.
  • B. Hood River Bridge
    Hood River Bridge is a toll bridge spanning the Columbia River between Hood River, Oregon, and White Salmon, Washington, serving as a key regional crossing in the Pacific Northwest.
  • 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. Rock River bridge
    Rock River bridge is a notable local bridge in Rock Rapids, Iowa, spanning the Rock River and serving as an important transportation and community landmark.
  • 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_69d85ccf2794819096cda4cbcb02d478 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04e8024948190a6c711f2e5c2aac4 completed April 16, 2026, 2:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff56d76c108190aa3cae2d7e17c301 completed May 9, 2026, 3:46 p.m.
NEDg Description generation batch_69ff57c304188190afa695ae88cf0234 completed May 9, 2026, 3:50 p.m.
NED2 Entity disambiguation (via description) batch_69ff5920436c81909addad5bb4566ae9 completed May 9, 2026, 3:56 p.m.
Created at: April 10, 2026, 4:13 a.m.