Triple

T1669268
Position Surface form Disambiguated ID Type / Status
Subject St. Joseph River E36086 entity
Predicate hasBridge P386 FINISHED
Object Bicentennial Bridge in South Bend
The Bicentennial Bridge in South Bend is a pedestrian bridge and riverfront landmark that connects key parks and trails across the St. Joseph River as part of the city’s downtown revitalization.
E190602 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: Bicentennial Bridge in South Bend | Statement: [St. Joseph River, hasBridge, Bicentennial Bridge in South Bend]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bicentennial Bridge in South Bend
Context triple: [St. Joseph River, hasBridge, Bicentennial Bridge in South Bend]
  • A. Cincinnati–Covington Bridge
    The Cincinnati–Covington Bridge is a historic 19th-century suspension bridge over the Ohio River, renowned as a pioneering precursor to the Brooklyn Bridge and a major engineering achievement of its era.
  • B. Centennial Bridge
    Centennial Bridge is a major cable-stayed bridge in Panama that spans the Panama Canal, serving as a key transportation link near Panama City.
  • C. Mark Twain Memorial Bridge
    The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
  • D. Sagamore Bridge
    Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
  • E. Maurice J. Tobin Memorial Bridge
    The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • 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: Bicentennial Bridge in South Bend
Triple: [St. Joseph River, hasBridge, Bicentennial Bridge in South Bend]
Generated description
The Bicentennial Bridge in South Bend is a pedestrian bridge and riverfront landmark that connects key parks and trails across the St. Joseph River as part of the city’s downtown revitalization.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bicentennial Bridge in South Bend
Target entity description: The Bicentennial Bridge in South Bend is a pedestrian bridge and riverfront landmark that connects key parks and trails across the St. Joseph River as part of the city’s downtown revitalization.
  • A. Cincinnati–Covington Bridge
    The Cincinnati–Covington Bridge is a historic 19th-century suspension bridge over the Ohio River, renowned as a pioneering precursor to the Brooklyn Bridge and a major engineering achievement of its era.
  • B. Centennial Bridge
    Centennial Bridge is a major cable-stayed bridge in Panama that spans the Panama Canal, serving as a key transportation link near Panama City.
  • C. Mark Twain Memorial Bridge
    The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
  • D. Sagamore Bridge
    Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
  • E. Maurice J. Tobin Memorial Bridge
    The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
  • 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_69a8861286808190939afff3ce8ee31e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a90adf3d3c81909233e574e79b82a2 completed March 5, 2026, 4:47 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad7988bda081908a966ae1f589cb8f completed March 8, 2026, 1:28 p.m.
NEDg Description generation batch_69ad7a351760819085bb3551eb840391 completed March 8, 2026, 1:31 p.m.
NED2 Entity disambiguation (via description) batch_69ad7a8fe4d88190beb1e6b8cd778501 completed March 8, 2026, 1:33 p.m.
Created at: March 4, 2026, 7:29 p.m.