Triple

T12763443
Position Surface form Disambiguated ID Type / Status
Subject High Trestle Trail E305052 entity
Predicate notableSection P5600 FINISHED
Object High Trestle Bridge over Des Moines River
The High Trestle Bridge over the Des Moines River is a strikingly designed former railroad bridge turned pedestrian and cycling landmark, renowned for its illuminated steel “tunnel” art installation and expansive river valley views.
E1003250 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: High Trestle Bridge over Des Moines River | Statement: [High Trestle Trail, notableSection, High Trestle Bridge over Des Moines River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: High Trestle Bridge over Des Moines River
Context triple: [High Trestle Trail, notableSection, High Trestle Bridge over Des Moines River]
  • A. I-80 bridge over Iowa River
    The I-80 bridge over the Iowa River is a highway bridge in Iowa that carries Interstate 80 across the Iowa River as part of a major east–west transportation corridor in the United States.
  • B. Whirlpool Rapids Bridge
    Whirlpool Rapids Bridge is a historic steel arch bridge connecting Niagara Falls, New York, and Niagara Falls, Ontario, spanning the Niagara Gorge just downstream from the famous falls.
  • C. Stillwater Lift Bridge
    The Stillwater Lift Bridge is a historic vertical-lift bridge over the St. Croix River connecting Stillwater, Minnesota, and Houlton, Wisconsin, now serving primarily as a pedestrian and bicycle crossing.
  • D. Niobrara River Bridge (Nebraska)
    The Niobrara River Bridge in Nebraska is a historic railroad truss bridge that spans the Niobrara River and is notable for its early 20th-century engineering and role in regional transportation.
  • E. The Dalles Bridge
    The Dalles Bridge is a steel truss bridge spanning the Columbia River between The Dalles, Oregon, and Dallesport, Washington, serving as a key regional crossing in the Pacific Northwest.
  • 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: High Trestle Bridge over Des Moines River
Triple: [High Trestle Trail, notableSection, High Trestle Bridge over Des Moines River]
Generated description
The High Trestle Bridge over the Des Moines River is a strikingly designed former railroad bridge turned pedestrian and cycling landmark, renowned for its illuminated steel “tunnel” art installation and expansive river valley views.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: High Trestle Bridge over Des Moines River
Target entity description: The High Trestle Bridge over the Des Moines River is a strikingly designed former railroad bridge turned pedestrian and cycling landmark, renowned for its illuminated steel “tunnel” art installation and expansive river valley views.
  • A. I-80 bridge over Iowa River
    The I-80 bridge over the Iowa River is a highway bridge in Iowa that carries Interstate 80 across the Iowa River as part of a major east–west transportation corridor in the United States.
  • B. Whirlpool Rapids Bridge
    Whirlpool Rapids Bridge is a historic steel arch bridge connecting Niagara Falls, New York, and Niagara Falls, Ontario, spanning the Niagara Gorge just downstream from the famous falls.
  • C. Stillwater Lift Bridge
    The Stillwater Lift Bridge is a historic vertical-lift bridge over the St. Croix River connecting Stillwater, Minnesota, and Houlton, Wisconsin, now serving primarily as a pedestrian and bicycle crossing.
  • D. Niobrara River Bridge (Nebraska)
    The Niobrara River Bridge in Nebraska is a historic railroad truss bridge that spans the Niobrara River and is notable for its early 20th-century engineering and role in regional transportation.
  • E. The Dalles Bridge
    The Dalles Bridge is a steel truss bridge spanning the Columbia River between The Dalles, Oregon, and Dallesport, Washington, serving as a key regional crossing in the Pacific Northwest.
  • 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_69d7bdf1fcd081909ffb0e0d6fa3a07d completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96d8f9f588190bffdea878856204b completed April 10, 2026, 9:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69f684f298f881908ad77f2d0ab588a8 completed May 2, 2026, 11:12 p.m.
NEDg Description generation batch_69f685dc63f48190bb68f9859e99e3b4 completed May 2, 2026, 11:16 p.m.
NED2 Entity disambiguation (via description) batch_69f68a92226881909600555332c2c370 completed May 2, 2026, 11:36 p.m.
Created at: April 9, 2026, 5:28 p.m.