Triple

T16255325
Position Surface form Disambiguated ID Type / Status
Subject Ohio River waterfront in Louisville E394612 entity
Predicate hasPart P35 FINISHED
Object Big Four Bridge
The Big Four Bridge is a former railroad truss bridge across the Ohio River that has been converted into a popular pedestrian and bicycle bridge connecting Louisville, Kentucky, to Jeffersonville, Indiana.
E1223099 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: Big Four Bridge | Statement: [Ohio River waterfront in Louisville, hasPart, Big Four Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Big Four Bridge
Context triple: [Ohio River waterfront in Louisville, hasPart, Big Four Bridge]
  • A. Aqua-Line Bridge
    The Aqua-Line Bridge is the bridge section of the Tokyo Bay Aqua-Line, a major Japanese expressway crossing Tokyo Bay that combines a long bridge with an undersea tunnel to connect Chiba and Kanagawa Prefectures.
  • B. Pioneer Bridge
    Pioneer Bridge is a notable roadway bridge in Ferndale, Washington, that carries traffic across the Nooksack River and serves as a key local transportation link.
  • C. Harahan Bridge
    Harahan Bridge is a historic railroad and vehicular bridge over the Mississippi River near Memphis, Tennessee, known for its early 20th-century engineering and later conversion to include a popular pedestrian and bicycle trail.
  • D. Nerimbera Bridge
    Nerimbera Bridge is a road bridge in Queensland, Australia, that carries traffic across the Fitzroy River near Rockhampton.
  • E. Imes Bridge
    Imes Bridge is a historic covered bridge in Madison County, Iowa, known as one of the famed Bridges of Madison County and a notable local landmark near Winterset.
  • 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: Big Four Bridge
Triple: [Ohio River waterfront in Louisville, hasPart, Big Four Bridge]
Generated description
The Big Four Bridge is a former railroad truss bridge across the Ohio River that has been converted into a popular pedestrian and bicycle bridge connecting Louisville, Kentucky, to Jeffersonville, Indiana.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Big Four Bridge
Target entity description: The Big Four Bridge is a former railroad truss bridge across the Ohio River that has been converted into a popular pedestrian and bicycle bridge connecting Louisville, Kentucky, to Jeffersonville, Indiana.
  • A. Aqua-Line Bridge
    The Aqua-Line Bridge is the bridge section of the Tokyo Bay Aqua-Line, a major Japanese expressway crossing Tokyo Bay that combines a long bridge with an undersea tunnel to connect Chiba and Kanagawa Prefectures.
  • B. Pioneer Bridge
    Pioneer Bridge is a notable roadway bridge in Ferndale, Washington, that carries traffic across the Nooksack River and serves as a key local transportation link.
  • C. Harahan Bridge
    Harahan Bridge is a historic railroad and vehicular bridge over the Mississippi River near Memphis, Tennessee, known for its early 20th-century engineering and later conversion to include a popular pedestrian and bicycle trail.
  • D. Nerimbera Bridge
    Nerimbera Bridge is a road bridge in Queensland, Australia, that carries traffic across the Fitzroy River near Rockhampton.
  • E. Imes Bridge
    Imes Bridge is a historic covered bridge in Madison County, Iowa, known as one of the famed Bridges of Madison County and a notable local landmark near Winterset.
  • 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_69d87f2171208190951025e526947816 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e24599861881908b9235f005d80a96 completed April 17, 2026, 2:37 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0075856f1881908548579b241e8009 completed May 10, 2026, 12:09 p.m.
NEDg Description generation batch_6a0079bf50dc8190a20057ef8a738e1d completed May 10, 2026, 12:27 p.m.
NED2 Entity disambiguation (via description) batch_6a007a34b42081908a77a3913c40377f completed May 10, 2026, 12:29 p.m.
Created at: April 10, 2026, 5:04 a.m.