Triple

T6051517
Position Surface form Disambiguated ID Type / Status
Subject Portland & Western Railroad (segments) E134804 entity
Predicate partOf P40 FINISHED
Object Portland & Western Railroad
Portland & Western Railroad is a regional freight railroad operating in western Oregon, providing rail services across a network of former branch lines.
E564648 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: Portland & Western Railroad | Statement: [Portland & Western Railroad (segments), partOf, Portland & Western Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Portland & Western Railroad
Context triple: [Portland & Western Railroad (segments), partOf, Portland & Western Railroad]
  • A. Central Oregon and Pacific Railroad
    The Central Oregon and Pacific Railroad is a regional freight railroad operating in southwestern Oregon and northern California, primarily hauling lumber, wood products, and other commodities over former Southern Pacific lines.
  • B. Spokane, Portland and Seattle Railway
    The Spokane, Portland and Seattle Railway was an early 20th-century Pacific Northwest railroad line, backed by railroad magnate James J. Hill, that connected key cities along the Columbia River and facilitated regional trade and transportation.
  • C. Northwestern Pacific Railroad
    The Northwestern Pacific Railroad was a historic rail line in Northern California that connected the San Francisco Bay Area to communities throughout Marin, Sonoma, and Humboldt counties, supporting regional passenger and freight transport.
  • D. Union Pacific Northwest Line
    The Union Pacific Northwest Line is a commuter rail route serving Chicago and its northwestern suburbs as part of the Metra rail system.
  • E. Northern Pacific Railway
    The Northern Pacific Railway was a major transcontinental railroad in the northern United States that played a key role in opening and developing the Pacific Northwest in the late 19th and early 20th centuries.
  • 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: Portland & Western Railroad
Triple: [Portland & Western Railroad (segments), partOf, Portland & Western Railroad]
Generated description
Portland & Western Railroad is a regional freight railroad operating in western Oregon, providing rail services across a network of former branch lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Portland & Western Railroad
Target entity description: Portland & Western Railroad is a regional freight railroad operating in western Oregon, providing rail services across a network of former branch lines.
  • A. Central Oregon and Pacific Railroad
    The Central Oregon and Pacific Railroad is a regional freight railroad operating in southwestern Oregon and northern California, primarily hauling lumber, wood products, and other commodities over former Southern Pacific lines.
  • B. Spokane, Portland and Seattle Railway
    The Spokane, Portland and Seattle Railway was an early 20th-century Pacific Northwest railroad line, backed by railroad magnate James J. Hill, that connected key cities along the Columbia River and facilitated regional trade and transportation.
  • C. Northwestern Pacific Railroad
    The Northwestern Pacific Railroad was a historic rail line in Northern California that connected the San Francisco Bay Area to communities throughout Marin, Sonoma, and Humboldt counties, supporting regional passenger and freight transport.
  • D. Union Pacific Northwest Line
    The Union Pacific Northwest Line is a commuter rail route serving Chicago and its northwestern suburbs as part of the Metra rail system.
  • E. Northern Pacific Railway
    The Northern Pacific Railway was a major transcontinental railroad in the northern United States that played a key role in opening and developing the Pacific Northwest in the late 19th and early 20th centuries.
  • 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_69c00877b6d4819096b0e163728b73a3 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c056f802988190aafdb7cbb087c828 completed March 22, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69c113a911548190b4269d094f65308d completed March 23, 2026, 10:19 a.m.
NEDg Description generation batch_69c11423d05c81909298ae598c80ccb0 completed March 23, 2026, 10:21 a.m.
NED2 Entity disambiguation (via description) batch_69c11498f2948190bcca6b8054186e75 completed March 23, 2026, 10:23 a.m.
Created at: March 22, 2026, 4:09 p.m.