Triple
T20530677
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Los Angeles–Seattle rail corridor |
E504057
|
entity |
| Predicate | majorStation |
P1071
|
FINISHED |
| Object | Eugene station |
—
|
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: Eugene station | Statement: [Los Angeles–Seattle rail corridor, majorStation, Eugene station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eugene station Context triple: [Los Angeles–Seattle rail corridor, majorStation, Eugene station]
-
A.
Fremont station
Fremont station is a Bay Area Rapid Transit (BART) rail station serving the city of Fremont in the southeastern San Francisco Bay Area.
-
B.
Tualatin station
Tualatin station is a commuter rail stop in Tualatin, Oregon, serving as one of the stations on TriMet’s WES Commuter Rail line in the Portland metropolitan area.
-
C.
Bellevue station
Bellevue station is a Massachusetts Bay Transportation Authority commuter rail stop in Boston's West Roxbury neighborhood, serving the Needham Line.
-
D.
Oregon-Washington Station
Oregon-Washington Station was the original name of Seattle’s historic Union Station, a major early 20th-century railroad terminal in the city.
-
E.
Palo Alto station
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
- 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: Eugene station Target entity description: Eugene station is a key passenger rail hub in Eugene, Oregon, serving Amtrak trains along the busy West Coast route between California and the Pacific Northwest.
-
A.
Fremont station
Fremont station is a Bay Area Rapid Transit (BART) rail station serving the city of Fremont in the southeastern San Francisco Bay Area.
-
B.
Tualatin station
Tualatin station is a commuter rail stop in Tualatin, Oregon, serving as one of the stations on TriMet’s WES Commuter Rail line in the Portland metropolitan area.
-
C.
Bellevue station
Bellevue station is a Massachusetts Bay Transportation Authority commuter rail stop in Boston's West Roxbury neighborhood, serving the Needham Line.
-
D.
Oregon-Washington Station
Oregon-Washington Station was the original name of Seattle’s historic Union Station, a major early 20th-century railroad terminal in the city.
-
E.
Palo Alto station
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
- 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_69e0b4b3a6e08190ae663701f50fab8e |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6a06b923c81908ba24be6645a7c61 |
completed | April 20, 2026, 9:53 p.m. |
Created at: April 16, 2026, 11:37 a.m.