Triple
T22595585
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak in Silicon Valley |
E574670
|
entity |
| Predicate | intermodalConnection |
P112432
|
FINISHED |
| Object | Altamont Corridor Express via Diridon Station |
—
|
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: Altamont Corridor Express via Diridon Station | Statement: [Amtrak in Silicon Valley, intermodalConnection, Altamont Corridor Express via Diridon Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Altamont Corridor Express via Diridon Station Context triple: [Amtrak in Silicon Valley, intermodalConnection, Altamont Corridor Express via Diridon Station]
-
A.
San Jose Diridon station
chosen
San Jose Diridon station is a major intermodal transit hub in San Jose, California, serving commuter rail, intercity rail, light rail, and bus services.
-
B.
Hillsdale Caltrain station
Hillsdale Caltrain station is a commuter rail stop in San Mateo, California, serving Caltrain passengers along the San Francisco Peninsula.
-
C.
San Carlos Caltrain station
San Carlos Caltrain station is a commuter rail station on the Caltrain line serving the city of San Carlos in San Mateo County, California.
-
D.
Redwood City Station
Redwood City Station is a major Caltrain commuter rail stop in Redwood City, California, serving as a key transit hub along the San Francisco Peninsula.
-
E.
Belmont Caltrain station
Belmont Caltrain station is a commuter rail station in Belmont, California, providing Peninsula rail service on the Caltrain line between San Francisco and San Jose.
- 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_69e245bc11308190b69d794d5d1e0bb6 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f16268cb54819084a0f27ec0473f35 |
completed | April 29, 2026, 1:44 a.m. |
Created at: April 17, 2026, 2:49 p.m.