Triple

T22810127
Position Surface form Disambiguated ID Type / Status
Subject Portland & Western Railroad E564648 entity
Predicate connectsWith P37 FINISHED
Object Central Oregon & Pacific Railroad NE NERFINISHED

How this triple was built (2 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: Central Oregon & Pacific Railroad | Statement: [Portland & Western Railroad, connectsWith, Central Oregon & Pacific Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Central Oregon & Pacific Railroad
Context triple: [Portland & Western Railroad, connectsWith, Central Oregon & Pacific Railroad]
  • A. Central Oregon and Pacific Railroad chosen
    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. 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.
  • C. Oregon and California Railroad
    The Oregon and California Railroad was a 19th-century rail line in the Pacific Northwest that played a key role in connecting Oregon communities and facilitating regional development.
  • 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. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e245823f4c8190ade442cdcc2c224a completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17d5f1f348190a35e87939732c99f completed April 29, 2026, 3:39 a.m.
Created at: April 17, 2026, 3:32 p.m.