Triple

T21196406
Position Surface form Disambiguated ID Type / Status
Subject East Liverpool, Ohio E522337 entity
Predicate hasRiverCrossing P1970 FINISHED
Object East Liverpool–Chester Bridge
The East Liverpool–Chester Bridge is a steel truss bridge spanning the Ohio River, connecting East Liverpool, Ohio, with Chester, West Virginia, and carrying vehicular traffic between the two states.
 E1471661 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: East Liverpool–Chester Bridge | Statement: [East Liverpool, Ohio, hasRiverCrossing, East Liverpool–Chester Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East Liverpool–Chester Bridge
Context triple: [East Liverpool, Ohio, hasRiverCrossing, East Liverpool–Chester Bridge]
  • A. Rochester–Monaca Bridge
    The Rochester–Monaca Bridge is a historic truss bridge spanning the Ohio River in Beaver County, Pennsylvania, connecting the towns of Rochester and Monaca.
  • B. Ironton–Russell Bridge
    The Ironton–Russell Bridge is a highway bridge spanning the Ohio River that connects the cities of Ironton, Ohio, and Russell, Kentucky.
  • C. Ambridge–Aliquippa Bridge
    The Ambridge–Aliquippa Bridge is a historic steel truss bridge spanning the Ohio River in western Pennsylvania, connecting the communities of Ambridge and Aliquippa.
  • D. Chautauqua Lake Bridge
    Chautauqua Lake Bridge is a roadway bridge in western New York that carries traffic across Chautauqua Lake, connecting communities on its shores.
  • E. Sciotoville Bridge
    The Sciotoville Bridge is a historic early 20th-century railroad truss bridge over the Ohio River, notable for its innovative continuous truss design and long spans.
  • 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: East Liverpool–Chester Bridge
Triple: [East Liverpool, Ohio, hasRiverCrossing, East Liverpool–Chester Bridge]
Generated description
The East Liverpool–Chester Bridge is a steel truss bridge spanning the Ohio River, connecting East Liverpool, Ohio, with Chester, West Virginia, and carrying vehicular traffic between the two states.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: East Liverpool–Chester Bridge
Target entity description: The East Liverpool–Chester Bridge is a steel truss bridge spanning the Ohio River, connecting East Liverpool, Ohio, with Chester, West Virginia, and carrying vehicular traffic between the two states.
  • A. Rochester–Monaca Bridge
    The Rochester–Monaca Bridge is a historic truss bridge spanning the Ohio River in Beaver County, Pennsylvania, connecting the towns of Rochester and Monaca.
  • B. Ironton–Russell Bridge
    The Ironton–Russell Bridge is a highway bridge spanning the Ohio River that connects the cities of Ironton, Ohio, and Russell, Kentucky.
  • C. Ambridge–Aliquippa Bridge
    The Ambridge–Aliquippa Bridge is a historic steel truss bridge spanning the Ohio River in western Pennsylvania, connecting the communities of Ambridge and Aliquippa.
  • D. Chautauqua Lake Bridge
    Chautauqua Lake Bridge is a roadway bridge in western New York that carries traffic across Chautauqua Lake, connecting communities on its shores.
  • E. Sciotoville Bridge
    The Sciotoville Bridge is a historic early 20th-century railroad truss bridge over the Ohio River, notable for its innovative continuous truss design and long spans.
  • 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_69e0b51061388190aa03f19700d3ef04 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e7333bd7a0819084bbd1d6c111bc65 completed April 21, 2026, 8:20 a.m.
NED1 Entity disambiguation (via context triple) batch_6a097ecad6308190ae66611cdfe4f1c9 completed May 17, 2026, 8:39 a.m.
NEDg Description generation batch_6a097f7635f08190bf9552d4aa05063e completed May 17, 2026, 8:42 a.m.
NED2 Entity disambiguation (via description) batch_6a098037ffa4819095b1482d6bd83583 completed May 17, 2026, 8:45 a.m.
Created at: April 16, 2026, 3:08 p.m.