Triple
T6051524
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portland & Western Railroad (segments) |
E134804
|
entity |
| Predicate | operatorOfFreightService |
P39220
|
FINISHED |
| Object | Portland & Western Railroad |
E564648
|
NE FINISHED |
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: Portland & Western Railroad | Statement: [Portland & Western Railroad (segments), operatorOfFreightService, 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), operatorOfFreightService, Portland & Western Railroad]
-
A.
Portland & Western Railroad
chosen
Portland & Western Railroad is a regional freight railroad operating in western Oregon, providing rail services across a network of former branch lines.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: operatorOfFreightService Context triple: [Portland & Western Railroad (segments), operatorOfFreightService, Portland & Western Railroad]
-
A.
freightOperatorOnCorridor
chosen
Indicates that a particular freight operator provides services or operates along a specified transport corridor.
-
B.
hasCargoServices
Indicates that an entity provides or is equipped to handle cargo transportation or freight services for another entity or location.
-
C.
primaryCargoOperator
Indicates that an entity serves as the main organization responsible for operating or managing the cargo-related activities of another entity.
-
D.
transportOperator
Indicates that an entity is responsible for operating or managing the transportation of people or goods between locations.
-
E.
servesAsCargoHubFor
Indicates that one entity functions as a central location or facility for handling, consolidating, and distributing cargo associated with another entity.
- F. None of above.
Provenance (4 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_69c1251d9bbc8190b9544e93dc268787 |
completed | March 23, 2026, 11:33 a.m. |
| PD | Predicate disambiguation | batch_69c049edc6f0819092ca620d9073ad26 |
completed | March 22, 2026, 7:58 p.m. |
Created at: March 22, 2026, 4:09 p.m.