Triple
T3196601
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Westside Express Service |
E66949
|
entity |
| Predicate | usesRailLine |
P848
|
FINISHED |
| Object | Portland and Western Railroad track |
E134804
|
NE FINISHED |
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: Portland and Western Railroad track | Statement: [Westside Express Service, usesRailLine, Portland and Western Railroad track]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland and Western Railroad track Context triple: [Westside Express Service, usesRailLine, Portland and Western Railroad track]
-
A.
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.
-
B.
Portland & Western Railroad (segments)
chosen
Portland & Western Railroad (segments) refers to portions of a regional shortline freight railroad in northwestern Oregon whose tracks are also used to support the WES Commuter Rail service.
-
C.
Union Pacific Railway, Southern Branch
The Union Pacific Railway, Southern Branch was a 19th-century rail line that later evolved into the Missouri–Kansas–Texas Railroad, helping open the American Midwest and Southwest to expanded transportation and commerce.
-
D.
BNSF Seattle Subdivision
The BNSF Seattle Subdivision is a major freight and passenger rail corridor in the Seattle area, forming part of BNSF Railway’s main line through the Pacific Northwest.
-
E.
Union Pacific Railroad mainline in the Columbia River Gorge
The Union Pacific Railroad mainline in the Columbia River Gorge is a major transcontinental freight rail corridor running along the Columbia River through Oregon and Washington, known for its heavy train traffic and dramatic scenic backdrop.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ad8588ba18819086a10951c32ecb80 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada7177b488190b7a1b40ff3fae15f |
completed | March 8, 2026, 4:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b24bb2c9908190b3abc395537e22ac |
completed | March 12, 2026, 5:14 a.m. |
Created at: March 8, 2026, 3:07 p.m.