Triple
T6051526
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portland & Western Railroad (segments) |
E134804
|
entity |
| Predicate | usedBy |
P260
|
FINISHED |
| Object | WES Commuter Rail trains |
E25084
|
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: WES Commuter Rail trains | Statement: [Portland & Western Railroad (segments), usedBy, WES Commuter Rail trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: WES Commuter Rail trains Context triple: [Portland & Western Railroad (segments), usedBy, WES Commuter Rail trains]
-
A.
WES Commuter Rail
chosen
WES Commuter Rail is a suburban commuter rail service in the Portland, Oregon metropolitan area connecting Beaverton and Wilsonville.
-
B.
MARC commuter rail
MARC commuter rail is a regional passenger train service in Maryland that connects suburban communities and nearby states with major employment centers like Washington, D.C. and Baltimore.
-
C.
MBTA Commuter Rail coaches
MBTA Commuter Rail coaches are bi-level and single-level passenger railcars used by the Massachusetts Bay Transportation Authority to provide regional rail service across Greater Boston and surrounding areas.
-
D.
Sounder commuter rail
Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
-
E.
COASTER commuter rail
COASTER commuter rail is a regional passenger train service in San Diego County, California, connecting coastal communities between Oceanside and downtown San Diego.
- 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_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_69c11d077fe48190af9f896df9028800 |
completed | March 23, 2026, 10:59 a.m. |
Created at: March 22, 2026, 4:09 p.m.