Triple

T3554426
Position Surface form Disambiguated ID Type / Status
Subject Panhandle Bridge E75184 entity
Predicate alsoKnownAs P39 FINISHED
Object Panhandle Railroad Bridge
The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
E527360 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: Panhandle Railroad Bridge | Statement: [Panhandle Bridge, alsoKnownAs, Panhandle Railroad Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Panhandle Railroad Bridge
Context triple: [Panhandle Bridge, alsoKnownAs, Panhandle Railroad Bridge]
  • A. Perrine Bridge
    Perrine Bridge is a large steel arch bridge spanning the Snake River Canyon in Twin Falls, Idaho, renowned for its dramatic views and popularity as a BASE jumping site.
  • B. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • C. Bixby Creek Bridge
    Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
  • D. Rosendale Trestle
    Rosendale Trestle is a historic 19th-century railroad viaduct in Rosendale, New York, now best known as a restored pedestrian walkway and landmark spanning the Rondout Creek.
  • E. Great River Bridge
    The Great River Bridge is a cable-stayed highway bridge spanning the Mississippi River at Burlington, Iowa, serving as a key regional crossing between Iowa and Illinois.
  • 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: Panhandle Railroad Bridge
Triple: [Panhandle Bridge, alsoKnownAs, Panhandle Railroad Bridge]
Generated description
The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Panhandle Railroad Bridge
Target entity description: The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
  • A. Perrine Bridge
    Perrine Bridge is a large steel arch bridge spanning the Snake River Canyon in Twin Falls, Idaho, renowned for its dramatic views and popularity as a BASE jumping site.
  • B. Kinzie Street Railroad Bridge
    The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
  • C. Bixby Creek Bridge
    Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
  • D. Rosendale Trestle
    Rosendale Trestle is a historic 19th-century railroad viaduct in Rosendale, New York, now best known as a restored pedestrian walkway and landmark spanning the Rondout Creek.
  • E. Great River Bridge
    The Great River Bridge is a cable-stayed highway bridge spanning the Mississippi River at Burlington, Iowa, serving as a key regional crossing between Iowa and Illinois.
  • 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_69ad85d33c6c819081d5ac1df13b5680 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc05549d88190acdebdd542ea1a67 completed March 8, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bfe6131cd481909bbd9eb896258c68 completed March 22, 2026, 12:52 p.m.
NEDg Description generation batch_69bfe6a56088819087501eb96af95c33 completed March 22, 2026, 12:55 p.m.
NED2 Entity disambiguation (via description) batch_69bfe6f04ad081909199b341f91936c0 completed March 22, 2026, 12:56 p.m.
Created at: March 8, 2026, 3:20 p.m.