Triple

T19877866
Position Surface form Disambiguated ID Type / Status
Subject Central Oregon and Pacific Railroad E477686 entity
Predicate connectsWith P37 FINISHED
Object Coos Bay Rail Line — NE NERFINISHED

How this triple was built (3 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: Coos Bay Rail Line | Statement: [Central Oregon and Pacific Railroad, connectsWith, Coos Bay Rail Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Coos Bay Rail Line
Context triple: [Central Oregon and Pacific Railroad, connectsWith, Coos Bay Rail Line]
  • A. Oregon Coast Scenic Railroad
    The Oregon Coast Scenic Railroad is a heritage railway offering scenic excursions along the Oregon coast using historic steam and diesel locomotives.
  • B. Portland & Western Railroad freight corridor
    The Portland & Western Railroad freight corridor is a regional rail line in Oregon primarily used for freight transport that also accommodates the WES Commuter Rail service between Beaverton and Wilsonville.
  • 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 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.
  • E. Spruce Railroad
    Spruce Railroad was a historic logging railway on Washington’s Olympic Peninsula, originally built during World War I to transport spruce timber for military aircraft production.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Coos Bay Rail Line
Target entity description: The Coos Bay Rail Line is a regional freight railroad in southwestern Oregon that links coastal communities around Coos Bay with the broader U.S. rail network.
  • A. Oregon Coast Scenic Railroad
    The Oregon Coast Scenic Railroad is a heritage railway offering scenic excursions along the Oregon coast using historic steam and diesel locomotives.
  • B. Portland & Western Railroad freight corridor
    The Portland & Western Railroad freight corridor is a regional rail line in Oregon primarily used for freight transport that also accommodates the WES Commuter Rail service between Beaverton and Wilsonville.
  • 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 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.
  • E. Spruce Railroad
    Spruce Railroad was a historic logging railway on Washington’s Olympic Peninsula, originally built during World War I to transport spruce timber for military aircraft production.
  • F. None of above. chosen

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_69d8e51f32b08190b3687f4f60353250 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e658dc8ce08190b005ad49924e5659 completed April 20, 2026, 4:48 p.m.
Created at: April 10, 2026, 1:52 p.m.