Triple

T2825715
Position Surface form Disambiguated ID Type / Status
Subject Monongahela River E54914 entity
Predicate hasBridge P386 FINISHED
Object Smithfield Street Bridge
Smithfield Street Bridge is a historic lenticular truss bridge in Pittsburgh, Pennsylvania, known as one of the oldest steel bridges in the United States and a National Historic Landmark.
E432351 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: Smithfield Street Bridge | Statement: [Monongahela River, hasBridge, Smithfield Street Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Smithfield Street Bridge
Context triple: [Monongahela River, hasBridge, Smithfield Street Bridge]
  • A. O’Connell Bridge
    O’Connell Bridge is a prominent road and pedestrian bridge spanning the River Liffey in central Dublin, known for its unusually wide deck and role as a key city thoroughfare.
  • B. Stanton Street Bridge
    The Stanton Street Bridge is an international bridge that carries vehicular and pedestrian traffic across the U.S.–Mexico border between El Paso, Texas, and Ciudad Juárez, Chihuahua.
  • C. Henley Street Bridge
    Henley Street Bridge is a historic concrete arch bridge spanning the Tennessee River in Knoxville, Tennessee, serving as a key transportation link into the city’s downtown.
  • D. Church Street Bridge
    Church Street Bridge is a historic road bridge in Melbourne, Australia, known for carrying Church Street over the Yarra River and serving as a key local traffic link.
  • E. Swan Street Bridge
    Swan Street Bridge is a prominent road bridge in Melbourne, Australia, carrying traffic over the Yarra River near the Melbourne Cricket Ground and other key sporting precincts.
  • 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: Smithfield Street Bridge
Triple: [Monongahela River, hasBridge, Smithfield Street Bridge]
Generated description
Smithfield Street Bridge is a historic lenticular truss bridge in Pittsburgh, Pennsylvania, known as one of the oldest steel bridges in the United States and a National Historic Landmark.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Smithfield Street Bridge
Target entity description: Smithfield Street Bridge is a historic lenticular truss bridge in Pittsburgh, Pennsylvania, known as one of the oldest steel bridges in the United States and a National Historic Landmark.
  • A. O’Connell Bridge
    O’Connell Bridge is a prominent road and pedestrian bridge spanning the River Liffey in central Dublin, known for its unusually wide deck and role as a key city thoroughfare.
  • B. Stanton Street Bridge
    The Stanton Street Bridge is an international bridge that carries vehicular and pedestrian traffic across the U.S.–Mexico border between El Paso, Texas, and Ciudad Juárez, Chihuahua.
  • C. Henley Street Bridge
    Henley Street Bridge is a historic concrete arch bridge spanning the Tennessee River in Knoxville, Tennessee, serving as a key transportation link into the city’s downtown.
  • D. Church Street Bridge
    Church Street Bridge is a historic road bridge in Melbourne, Australia, known for carrying Church Street over the Yarra River and serving as a key local traffic link.
  • E. Swan Street Bridge
    Swan Street Bridge is a prominent road bridge in Melbourne, Australia, carrying traffic over the Yarra River near the Melbourne Cricket Ground and other key sporting precincts.
  • 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_69ab49e100c0819082a40cb797383243 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abde925e688190bb390d3182f8c4f0 completed March 7, 2026, 8:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69b5db52bcfc8190857a3ea5157d8416 completed March 14, 2026, 10:04 p.m.
NEDg Description generation batch_69b5dbe844e4819099dbd1ed65f262fb completed March 14, 2026, 10:06 p.m.
NED2 Entity disambiguation (via description) batch_69b5dc5a2b008190907150ada5714fac completed March 14, 2026, 10:08 p.m.
Created at: March 6, 2026, 9:59 p.m.