Triple

T8709575
Position Surface form Disambiguated ID Type / Status
Subject Petaluma River E206739 entity
Predicate hasBridge P386 FINISHED
Object Petaluma River Bridge (railroad)
Petaluma River Bridge (railroad) is a historic movable railroad bridge in Petaluma, California, that carries train traffic across the Petaluma River.
E753643 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: Petaluma River Bridge (railroad) | Statement: [Petaluma River, hasBridge, Petaluma River Bridge (railroad)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Petaluma River Bridge (railroad)
Context triple: [Petaluma River, hasBridge, Petaluma River Bridge (railroad)]
  • A. Oregon Slough Railroad Bridge
    The Oregon Slough Railroad Bridge is a historic swing-span railway bridge in Portland, Oregon, carrying freight and passenger trains across the North Portland Harbor channel of the Columbia River.
  • B. Rogue River bridge
    The Rogue River Bridge is a historic concrete arch bridge in Gold Beach, Oregon, that carries U.S. Route 101 across the Rogue River along the Pacific coast.
  • 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. Umpqua River Bridge
    The Umpqua River Bridge is a historic Oregon coastal highway bridge noted for its elegant Art Deco detailing and reinforced-concrete arch design.
  • E. Strawberry Creek bridge
    Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
  • 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: Petaluma River Bridge (railroad)
Triple: [Petaluma River, hasBridge, Petaluma River Bridge (railroad)]
Generated description
Petaluma River Bridge (railroad) is a historic movable railroad bridge in Petaluma, California, that carries train traffic across the Petaluma River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Petaluma River Bridge (railroad)
Target entity description: Petaluma River Bridge (railroad) is a historic movable railroad bridge in Petaluma, California, that carries train traffic across the Petaluma River.
  • A. Oregon Slough Railroad Bridge
    The Oregon Slough Railroad Bridge is a historic swing-span railway bridge in Portland, Oregon, carrying freight and passenger trains across the North Portland Harbor channel of the Columbia River.
  • B. Rogue River bridge
    The Rogue River Bridge is a historic concrete arch bridge in Gold Beach, Oregon, that carries U.S. Route 101 across the Rogue River along the Pacific coast.
  • 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. Umpqua River Bridge
    The Umpqua River Bridge is a historic Oregon coastal highway bridge noted for its elegant Art Deco detailing and reinforced-concrete arch design.
  • E. Strawberry Creek bridge
    Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
  • 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_69ca835645e881908f00e3c8b51da81d completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc5c3034708190b895eaf890d62198 completed March 31, 2026, 11:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69cf28b78e90819098ab1d4877ab88fe completed April 3, 2026, 2:40 a.m.
NEDg Description generation batch_69cf2bd14c3c8190b43840ee57cca22c completed April 3, 2026, 2:54 a.m.
NED2 Entity disambiguation (via description) batch_69cf2cb3c4308190971fb3d25064f205 completed April 3, 2026, 2:57 a.m.
Created at: March 30, 2026, 6:35 p.m.