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.