Triple

T19232476
Position Surface form Disambiguated ID Type / Status
Subject Melbourne W-class tram E480903 entity
Predicate preservedAt P2249 FINISHED
Object Oregon Electric Railway Historical Society
The Oregon Electric Railway Historical Society is a preservation organization and museum dedicated to restoring, operating, and displaying historic electric railway equipment and streetcars in Oregon.
E1366879 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: Oregon Electric Railway Historical Society | Statement: [Melbourne W-class tram, preservedAt, Oregon Electric Railway Historical Society]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Oregon Electric Railway Historical Society
Context triple: [Melbourne W-class tram, preservedAt, Oregon Electric Railway Historical Society]
  • A. Oregon Trunk Railway
    The Oregon Trunk Railway was a historic railroad line in central Oregon that provided a key north–south route along the Deschutes River, later integrated into the regional network of the Spokane, Portland and Seattle Railway.
  • B. Interurban Railway Museum
    The Interurban Railway Museum is a historic museum in Plano, Texas, dedicated to preserving and interpreting the history of electric interurban railways and local transportation.
  • C. Valley and Siletz Railroad
    The Valley and Siletz Railroad was a short line railway in Oregon that primarily served logging and timber operations in the early to mid-20th century.
  • D. Oregon Railroad and Navigation Company
    The Oregon Railroad and Navigation Company was a major late-19th and early-20th century railroad and steamship enterprise in the Pacific Northwest that became a key component of the Union Pacific system.
  • E. Volk’s Electric Railway
    Volk’s Electric Railway is a historic narrow-gauge electric seafront railway in Brighton, England, regarded as the world’s oldest operating electric railway.
  • 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: Oregon Electric Railway Historical Society
Triple: [Melbourne W-class tram, preservedAt, Oregon Electric Railway Historical Society]
Generated description
The Oregon Electric Railway Historical Society is a preservation organization and museum dedicated to restoring, operating, and displaying historic electric railway equipment and streetcars in Oregon.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Oregon Electric Railway Historical Society
Target entity description: The Oregon Electric Railway Historical Society is a preservation organization and museum dedicated to restoring, operating, and displaying historic electric railway equipment and streetcars in Oregon.
  • A. Oregon Trunk Railway
    The Oregon Trunk Railway was a historic railroad line in central Oregon that provided a key north–south route along the Deschutes River, later integrated into the regional network of the Spokane, Portland and Seattle Railway.
  • B. Interurban Railway Museum
    The Interurban Railway Museum is a historic museum in Plano, Texas, dedicated to preserving and interpreting the history of electric interurban railways and local transportation.
  • C. Valley and Siletz Railroad
    The Valley and Siletz Railroad was a short line railway in Oregon that primarily served logging and timber operations in the early to mid-20th century.
  • D. Oregon Railroad and Navigation Company
    The Oregon Railroad and Navigation Company was a major late-19th and early-20th century railroad and steamship enterprise in the Pacific Northwest that became a key component of the Union Pacific system.
  • E. Volk’s Electric Railway
    Volk’s Electric Railway is a historic narrow-gauge electric seafront railway in Brighton, England, regarded as the world’s oldest operating electric railway.
  • 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_69d8e8ccb8f48190ad420098e74fb1db completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fa9fa7348190947129273d19c9a7 completed April 20, 2026, 10:06 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0705d393b88190bd3f4731e1780ad5 completed May 15, 2026, 11:38 a.m.
NEDg Description generation batch_6a0709c0640c819086546867597396ab completed May 15, 2026, 11:55 a.m.
NED2 Entity disambiguation (via description) batch_6a070a1ad7e481908194655e95ef8990 completed May 15, 2026, 11:57 a.m.
Created at: April 10, 2026, 1:25 p.m.