Triple

T20095757
Position Surface form Disambiguated ID Type / Status
Subject Chain Bridge (Potomac River) E496394 entity
Predicate situatedUpstreamOf P63897 FINISHED
Object Francis Scott Key Bridge — NE NERFINISHED

How this triple was built (2 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: Francis Scott Key Bridge | Statement: [Chain Bridge (Potomac River), situatedUpstreamOf, Francis Scott Key Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Francis Scott Key Bridge
Context triple: [Chain Bridge (Potomac River), situatedUpstreamOf, Francis Scott Key Bridge]
  • A. Francis Scott Key Bridge (Baltimore) chosen
    The Francis Scott Key Bridge in Baltimore is a major steel arch bridge spanning the Patapsco River and forming part of the Baltimore Beltway, named in honor of the author of the U.S. national anthem.
  • B. Key Bridge
    Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
  • C. Key Bridge
    Key Bridge is a bridge in Charlottesville, Virginia, known for carrying vehicular traffic across the local rail lines near the University of Virginia area.
  • D. Key Bridge (Potomac River)
    Key Bridge (Potomac River) is a historic arched bridge in Washington, D.C., carrying U.S. Route 29 across the Potomac River between Georgetown and Arlington.
  • E. James Madison Memorial Bridge
    The James Madison Memorial Bridge is a highway bridge spanning the Rappahannock River between Port Royal and Port Conway in Virginia, named in honor of the fourth U.S. president, James Madison.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69da626eee3881909f3454986d4a6511 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6666cc02481908780a415b19c05a2 completed April 20, 2026, 5:46 p.m.
Created at: April 11, 2026, 11:24 p.m.