Triple

T17403127
Position Surface form Disambiguated ID Type / Status
Subject Rogue River Bridge E423144 entity
Predicate hasBuilder P46984 FINISHED
Object Portland Bridge Company
Portland Bridge Company was an American engineering and construction firm known for designing and building steel bridges in the Pacific Northwest.
E1266971 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: 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.
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: Portland Bridge Company
Triple: [Rogue River Bridge, hasBuilder, Portland Bridge Company]
Generated description
Portland Bridge Company was an American engineering and construction firm known for designing and building steel bridges in the Pacific Northwest.
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 (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_69d889d7d27c819088486ce3f0627fa1 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e43b051cc48190872278ee0b52240d completed April 19, 2026, 2:16 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01a7f76c208190b9b8db227507c045 completed May 11, 2026, 9:57 a.m.
NEDg Description generation batch_6a01a8a927fc8190853a276107be3e70 completed May 11, 2026, 10 a.m.
NED2 Entity disambiguation (via description) batch_6a01a903b384819094244a302d48220d completed May 11, 2026, 10:01 a.m.
Created at: April 10, 2026, 5:45 a.m.