Triple

T20507810
Position Surface form Disambiguated ID Type / Status
Subject Mississippi River at St. Louis, Missouri E503479 entity
Predicate crossedBy P416 FINISHED
Object Poplar 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: Poplar Street Bridge | Statement: [Mississippi River at St. Louis, Missouri, crossedBy, Poplar Street Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Poplar Street Bridge
Context triple: [Mississippi River at St. Louis, Missouri, crossedBy, Poplar Street Bridge]
  • A. Laurel Street Bridge
    Laurel Street Bridge is a historic concrete arch bridge in San Diego’s Balboa Park, notable for carrying traffic over a canyon into the park and serving as an iconic local landmark.
  • B. Nevius Street Bridge
    Nevius Street Bridge is a historic 19th-century bridge in Raritan, New Jersey, noted for its iron truss design and role in the region’s transportation heritage.
  • C. Merriam Street Bridge
    Merriam Street Bridge is a historic steel truss bridge in Minneapolis, Minnesota, carrying Merriam Street over the Mississippi River near Nicollet Island.
  • D. North Avenue Bridge
    North Avenue Bridge is a Chicago roadway bridge that carries North Avenue over the Chicago River near the site of the former North Avenue Dam.
  • E. Franklin Avenue Bridge
    The Franklin Avenue Bridge is a historic concrete arch bridge in Minneapolis, Minnesota, carrying Franklin Avenue high above the Mississippi River and connecting the city’s west and east bank neighborhoods.
  • 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: Poplar Street Bridge
Target entity description: The Poplar Street Bridge is a major multi-span highway bridge in St. Louis that carries interstate traffic across the Mississippi River between Missouri and Illinois.
  • A. Laurel Street Bridge
    Laurel Street Bridge is a historic concrete arch bridge in San Diego’s Balboa Park, notable for carrying traffic over a canyon into the park and serving as an iconic local landmark.
  • B. Nevius Street Bridge
    Nevius Street Bridge is a historic 19th-century bridge in Raritan, New Jersey, noted for its iron truss design and role in the region’s transportation heritage.
  • C. Merriam Street Bridge
    Merriam Street Bridge is a historic steel truss bridge in Minneapolis, Minnesota, carrying Merriam Street over the Mississippi River near Nicollet Island.
  • D. North Avenue Bridge
    North Avenue Bridge is a Chicago roadway bridge that carries North Avenue over the Chicago River near the site of the former North Avenue Dam.
  • E. Franklin Avenue Bridge
    The Franklin Avenue Bridge is a historic concrete arch bridge in Minneapolis, Minnesota, carrying Franklin Avenue high above the Mississippi River and connecting the city’s west and east bank neighborhoods.
  • 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_69e0b4b1e52c8190894281cf7e3283ab completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e69dc8f3c881908ed2e0257a057e73 completed April 20, 2026, 9:42 p.m.
Created at: April 16, 2026, 11:36 a.m.