Triple

T20544
Position Surface form Disambiguated ID Type / Status
Subject Millennium Park E407 entity
Predicate hasPart P35 FINISHED
Object BP Pedestrian Bridge
The BP Pedestrian Bridge is a Frank Gehry–designed stainless steel footbridge in Chicago that snakes over Columbus Drive, linking Millennium Park to the lakefront and offering skyline views.
E16456 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: BP Pedestrian Bridge | Statement: [Millennium Park, hasPart, BP Pedestrian Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BP Pedestrian Bridge
Context triple: [Millennium Park, hasPart, BP Pedestrian Bridge]
  • A. Key Bridge
    Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
  • B. Mystic River Bridge
    The Mystic River Bridge, officially known as the Maurice J. Tobin Memorial Bridge, is a major steel cantilever roadway bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • C. St. Johns Bridge
    St. Johns Bridge is a historic steel suspension bridge in Portland, Oregon, noted for its striking Gothic-style towers and scenic span over the Willamette River.
  • D. Wellington Bridge
    Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
  • E. Dike Bridge
    Dike Bridge is a small wooden bridge on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
  • 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: BP Pedestrian Bridge
Triple: [Millennium Park, hasPart, BP Pedestrian Bridge]
Generated description
The BP Pedestrian Bridge is a Frank Gehry–designed stainless steel footbridge in Chicago that snakes over Columbus Drive, linking Millennium Park to the lakefront and offering skyline views.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BP Pedestrian Bridge
Target entity description: The BP Pedestrian Bridge is a Frank Gehry–designed stainless steel footbridge in Chicago that snakes over Columbus Drive, linking Millennium Park to the lakefront and offering skyline views.
  • A. Key Bridge
    Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
  • B. Mystic River Bridge
    The Mystic River Bridge, officially known as the Maurice J. Tobin Memorial Bridge, is a major steel cantilever roadway bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • C. St. Johns Bridge
    St. Johns Bridge is a historic steel suspension bridge in Portland, Oregon, noted for its striking Gothic-style towers and scenic span over the Willamette River.
  • D. Wellington Bridge
    Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
  • E. Dike Bridge
    Dike Bridge is a small wooden bridge on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
  • 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_69a240778d288190815c0052ebbbcc91 completed Feb. 28, 2026, 1:10 a.m.
NER Named-entity recognition batch_69a24669427481908b3369f090ea8edc completed Feb. 28, 2026, 1:35 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2b4b495c4819084ed1b661f1d0a24 completed Feb. 28, 2026, 9:26 a.m.
NEDg Description generation batch_69a2b5c243e0819087bb4342c5a65eec completed Feb. 28, 2026, 9:30 a.m.
NED2 Entity disambiguation (via description) batch_69a2b6498fcc819089fcc02806e8f975 completed Feb. 28, 2026, 9:32 a.m.
Created at: Feb. 28, 2026, 1:14 a.m.