Triple

T1552341
Position Surface form Disambiguated ID Type / Status
Subject American Bridge Company E33120 entity
Predicate hasNotableProject P2183 FINISHED
Object Astoria-Megler Bridge
The Astoria-Megler Bridge is a long steel cantilever bridge spanning the mouth of the Columbia River, connecting Astoria, Oregon, to Point Ellice near Megler, Washington.
E359459 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: Astoria-Megler Bridge | Statement: [American Bridge Company, hasNotableProject, Astoria-Megler Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Astoria-Megler Bridge
Context triple: [American Bridge Company, hasNotableProject, Astoria-Megler Bridge]
  • A. Theodore Roosevelt Bridge
    The Theodore Roosevelt Bridge is a major highway bridge over the Potomac River in Washington, D.C., carrying traffic between the city and Arlington, Virginia.
  • B. Maurice J. Tobin Memorial Bridge
    The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • C. Lacey V. Murrow Memorial Bridge
    The Lacey V. Murrow Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington, connecting Seattle to its eastern suburbs.
  • D. Walt Whitman Bridge
    The Walt Whitman Bridge is a major suspension bridge connecting Philadelphia, Pennsylvania, to Gloucester City, New Jersey, and serving as a key highway crossing over the Delaware River.
  • E. Mark Twain Memorial Bridge
    The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
  • 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: Astoria-Megler Bridge
Triple: [American Bridge Company, hasNotableProject, Astoria-Megler Bridge]
Generated description
The Astoria-Megler Bridge is a long steel cantilever bridge spanning the mouth of the Columbia River, connecting Astoria, Oregon, to Point Ellice near Megler, Washington.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Astoria-Megler Bridge
Target entity description: The Astoria-Megler Bridge is a long steel cantilever bridge spanning the mouth of the Columbia River, connecting Astoria, Oregon, to Point Ellice near Megler, Washington.
  • A. Theodore Roosevelt Bridge
    The Theodore Roosevelt Bridge is a major highway bridge over the Potomac River in Washington, D.C., carrying traffic between the city and Arlington, Virginia.
  • B. Maurice J. Tobin Memorial Bridge
    The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • C. Lacey V. Murrow Memorial Bridge
    The Lacey V. Murrow Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington, connecting Seattle to its eastern suburbs.
  • D. Walt Whitman Bridge
    The Walt Whitman Bridge is a major suspension bridge connecting Philadelphia, Pennsylvania, to Gloucester City, New Jersey, and serving as a key highway crossing over the Delaware River.
  • E. Mark Twain Memorial Bridge
    The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
  • 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_69a885ee6db8819099502bc5ce8af881 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9086aed94819085c8194b4127c278 completed March 5, 2026, 4:36 a.m.
NED1 Entity disambiguation (via context triple) batch_69b36067f47881908de481e1350bcaff completed March 13, 2026, 12:55 a.m.
NEDg Description generation batch_69b3614702348190bd35c37d2059312f completed March 13, 2026, 12:58 a.m.
NED2 Entity disambiguation (via description) batch_69b362451b848190a2fe80a17ab8f9c3 completed March 13, 2026, 1:03 a.m.
Created at: March 4, 2026, 7:26 p.m.