Triple

T8187281
Position Surface form Disambiguated ID Type / Status
Subject Imjin River E191216 entity
Predicate notableBridge P386 FINISHED
Object Imjin River Railroad Bridge
The Imjin River Railroad Bridge is a historic railway bridge in South Korea that spans the Imjin River near the Demilitarized Zone and has significance dating back to the Korean War.
E849230 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: Imjin River Railroad Bridge | Statement: [Imjin River, notableBridge, Imjin River Railroad Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Imjin River Railroad Bridge
Context triple: [Imjin River, notableBridge, Imjin River Railroad Bridge]
  • A. Panhandle Railroad Bridge
    The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
  • B. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • C. Bixby Creek Bridge
    Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
  • D. Perrine Bridge
    Perrine Bridge is a large steel arch bridge spanning the Snake River Canyon in Twin Falls, Idaho, renowned for its dramatic views and popularity as a BASE jumping site.
  • E. Millness Bridge
    Millness Bridge is a historic stone bridge spanning the Lancaster Canal in Cumbria, England, serving as a characteristic example of the canal’s 18th–19th century infrastructure.
  • 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: Imjin River Railroad Bridge
Triple: [Imjin River, notableBridge, Imjin River Railroad Bridge]
Generated description
The Imjin River Railroad Bridge is a historic railway bridge in South Korea that spans the Imjin River near the Demilitarized Zone and has significance dating back to the Korean War.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Imjin River Railroad Bridge
Target entity description: The Imjin River Railroad Bridge is a historic railway bridge in South Korea that spans the Imjin River near the Demilitarized Zone and has significance dating back to the Korean War.
  • A. Panhandle Railroad Bridge
    The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
  • B. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • C. Bixby Creek Bridge
    Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
  • D. Perrine Bridge
    Perrine Bridge is a large steel arch bridge spanning the Snake River Canyon in Twin Falls, Idaho, renowned for its dramatic views and popularity as a BASE jumping site.
  • E. Millness Bridge
    Millness Bridge is a historic stone bridge spanning the Lancaster Canal in Cumbria, England, serving as a characteristic example of the canal’s 18th–19th century infrastructure.
  • 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_69ca82c5b6948190a583c096fb0a6c71 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb4d9e01208190842170abf62d9afb completed March 31, 2026, 4:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69d5f2bfdc5881909689a8b24d605458 completed April 8, 2026, 6:16 a.m.
NEDg Description generation batch_69d5f42e2d44819089d524c5757ee141 completed April 8, 2026, 6:22 a.m.
NED2 Entity disambiguation (via description) batch_69d5f47d850c8190afebd2c769364e0f completed April 8, 2026, 6:23 a.m.
Created at: March 30, 2026, 5:41 p.m.