Triple

T19688786
Position Surface form Disambiguated ID Type / Status
Subject Iowa–Illinois state line E472779 entity
Predicate crossedByBridge P416 FINISHED
Object Fred Schwengel Memorial Bridge — 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: Fred Schwengel Memorial Bridge | Statement: [Iowa–Illinois state line, crossedByBridge, Fred Schwengel Memorial Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fred Schwengel Memorial Bridge
Context triple: [Iowa–Illinois state line, crossedByBridge, Fred Schwengel Memorial Bridge]
  • A. Fred Hartman Bridge
    The Fred Hartman Bridge is a prominent cable-stayed bridge in the Houston metropolitan area that spans the Houston Ship Channel and serves as a major transportation link near Baytown, Texas.
  • B. Ted Smout Memorial Bridge
    The Ted Smout Memorial Bridge is a major road bridge in Queensland, Australia, that forms part of the key coastal route linking the Redcliffe Peninsula with Brisbane across Bramble Bay.
  • C. Harry W. Nice Memorial Bridge
    The Harry W. Nice Memorial Bridge is a major highway bridge carrying U.S. Route 301 across the Potomac River between Maryland and Virginia.
  • D. Frederick C. Malkus Bridge
    The Frederick C. Malkus Bridge is a major highway bridge in Maryland that carries U.S. Route 50 over the Choptank River, serving as a key transportation link on the Eastern Shore.
  • E. Homer M. Hadley Memorial Bridge
    The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
  • 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: Fred Schwengel Memorial Bridge
Target entity description: The Fred Schwengel Memorial Bridge is a Mississippi River highway bridge carrying Interstate 80 between Iowa and Illinois.
  • A. Fred Hartman Bridge
    The Fred Hartman Bridge is a prominent cable-stayed bridge in the Houston metropolitan area that spans the Houston Ship Channel and serves as a major transportation link near Baytown, Texas.
  • B. Ted Smout Memorial Bridge
    The Ted Smout Memorial Bridge is a major road bridge in Queensland, Australia, that forms part of the key coastal route linking the Redcliffe Peninsula with Brisbane across Bramble Bay.
  • C. Harry W. Nice Memorial Bridge
    The Harry W. Nice Memorial Bridge is a major highway bridge carrying U.S. Route 301 across the Potomac River between Maryland and Virginia.
  • D. Frederick C. Malkus Bridge
    The Frederick C. Malkus Bridge is a major highway bridge in Maryland that carries U.S. Route 50 over the Choptank River, serving as a key transportation link on the Eastern Shore.
  • E. Homer M. Hadley Memorial Bridge
    The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
  • 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_69d8e515bef88190bc30781aea50537a completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6420e5b788190a63ff6b83383b0e8 completed April 20, 2026, 3:11 p.m.
Created at: April 10, 2026, 1:45 p.m.