Triple

T17403127
Position Surface form Disambiguated ID Type / Status
Subject Rogue River Bridge E423144 entity
Predicate hasBuilder P46984 FINISHED
Object Portland Bridge Company — NE NERFINISHED

How this triple was built (3 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: Portland Bridge Company | Statement: [Rogue River Bridge, hasBuilder, Portland Bridge Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Portland Bridge Company
Context triple: [Rogue River Bridge, hasBuilder, Portland Bridge Company]
  • A. Phoenix Bridge Company
    Phoenix Bridge Company was an American bridge engineering and construction firm known for designing and building major steel truss bridges in the late 19th and early 20th centuries.
  • B. Eli Bridge Company
    Eli Bridge Company is an American manufacturer best known for producing amusement rides such as Ferris wheels and other portable carnival attractions.
  • C. St. Lawrence Bridge Company
    St. Lawrence Bridge Company was a Canadian engineering and construction firm known for its role in designing and building major steel railway bridges in Quebec, including the ill-fated Quebec Bridge.
  • D. Cleveland Bridge & Engineering Company
    Cleveland Bridge & Engineering Company was a prominent British civil engineering and steel construction firm renowned for designing and building major bridges and large-scale infrastructure projects worldwide.
  • E. Charles River Bridge Company
    Charles River Bridge Company was a private corporation chartered in the late 18th century to operate a toll bridge over the Charles River in Massachusetts and became central to a landmark U.S. Supreme Court case on corporate charters and public interest.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Portland Bridge Company
Target entity description: Portland Bridge Company was an American engineering and construction firm known for designing and building steel bridges in the Pacific Northwest.
  • A. Phoenix Bridge Company
    Phoenix Bridge Company was an American bridge engineering and construction firm known for designing and building major steel truss bridges in the late 19th and early 20th centuries.
  • B. Eli Bridge Company
    Eli Bridge Company is an American manufacturer best known for producing amusement rides such as Ferris wheels and other portable carnival attractions.
  • C. St. Lawrence Bridge Company
    St. Lawrence Bridge Company was a Canadian engineering and construction firm known for its role in designing and building major steel railway bridges in Quebec, including the ill-fated Quebec Bridge.
  • D. Cleveland Bridge & Engineering Company
    Cleveland Bridge & Engineering Company was a prominent British civil engineering and steel construction firm renowned for designing and building major bridges and large-scale infrastructure projects worldwide.
  • E. Charles River Bridge Company
    Charles River Bridge Company was a private corporation chartered in the late 18th century to operate a toll bridge over the Charles River in Massachusetts and became central to a landmark U.S. Supreme Court case on corporate charters and public interest.
  • F. None of above. chosen

Provenance (2 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_69d889d7d27c819088486ce3f0627fa1 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e43b051cc48190872278ee0b52240d completed April 19, 2026, 2:16 a.m.
Created at: April 10, 2026, 5:45 a.m.