Triple

T16239968
Position Surface form Disambiguated ID Type / Status
Subject Frederick Douglass Memorial Bridge E394215 entity
Predicate precededBy P97 FINISHED
Object South Capitol Street 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: South Capitol Street Bridge | Statement: [Frederick Douglass Memorial Bridge, precededBy, South Capitol Street Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: South Capitol Street Bridge
Context triple: [Frederick Douglass Memorial Bridge, precededBy, South Capitol Street Bridge]
  • A. East Capitol Street Bridge
    The East Capitol Street Bridge is a major roadway bridge in Washington, D.C., carrying East Capitol Street across the Anacostia River and connecting central Washington to neighborhoods east of the river.
  • B. Calhoun Street Bridge
    The Calhoun Street Bridge is a historic steel truss bridge spanning the Delaware River, connecting Trenton, New Jersey, with Morrisville, Pennsylvania.
  • C. Howard Street Bridge
    Howard Street Bridge is a historic roadway bridge in Baltimore, Maryland, that carries Howard Street over the Jones Falls and adjacent rail infrastructure near the city’s downtown.
  • D. Howard Street Bridge
    Howard Street Bridge is a pedestrian bridge in Spokane, Washington, that spans the Spokane River and serves as a central feature and scenic crossing within Riverfront Park.
  • E. First Street Bridge
    The First Street Bridge is a historic concrete arch bridge in Los Angeles that carries First Street over the Los Angeles River, linking downtown with Boyle Heights.
  • 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: South Capitol Street Bridge
Target entity description: The South Capitol Street Bridge was a former swing bridge over the Anacostia River in Washington, D.C., that carried South Capitol Street traffic before being replaced by the Frederick Douglass Memorial Bridge.
  • A. East Capitol Street Bridge
    The East Capitol Street Bridge is a major roadway bridge in Washington, D.C., carrying East Capitol Street across the Anacostia River and connecting central Washington to neighborhoods east of the river.
  • B. Calhoun Street Bridge
    The Calhoun Street Bridge is a historic steel truss bridge spanning the Delaware River, connecting Trenton, New Jersey, with Morrisville, Pennsylvania.
  • C. Howard Street Bridge
    Howard Street Bridge is a historic roadway bridge in Baltimore, Maryland, that carries Howard Street over the Jones Falls and adjacent rail infrastructure near the city’s downtown.
  • D. Howard Street Bridge
    Howard Street Bridge is a pedestrian bridge in Spokane, Washington, that spans the Spokane River and serves as a central feature and scenic crossing within Riverfront Park.
  • E. First Street Bridge
    The First Street Bridge is a historic concrete arch bridge in Los Angeles that carries First Street over the Los Angeles River, linking downtown with Boyle Heights.
  • 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_69d87f2171208190951025e526947816 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e2455d5270819090171d4207223a28 completed April 17, 2026, 2:36 p.m.
Created at: April 10, 2026, 5:04 a.m.