Triple
T12090579
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SMART train |
E287929
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Petaluma Downtown station |
E913376
|
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: Petaluma Downtown station | Statement: [SMART train, hasStation, Petaluma Downtown station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Petaluma Downtown station Context triple: [SMART train, hasStation, Petaluma Downtown station]
-
A.
Petaluma Downtown station
chosen
Petaluma Downtown station is a Sonoma–Marin Area Rail Transit (SMART) commuter rail station serving the historic downtown area of Petaluma, California.
-
B.
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.
-
C.
Daly City station
Daly City station is a Bay Area Rapid Transit (BART) rapid transit station serving the city of Daly City just south of San Francisco, California.
-
D.
Hillsdale Caltrain station
Hillsdale Caltrain station is a commuter rail stop in San Mateo, California, serving Caltrain passengers along the San Francisco Peninsula.
-
E.
Santa Rosa station
Santa Rosa station is a transit stop on Line 4A of the local rail network, serving passengers in its surrounding urban area.
- 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_69d6ab4964708190850585628b287b0c |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d9151797988190b0d007ea806bcf02 |
completed | April 10, 2026, 3:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f5f66b2eb48190bae469d1dd82b119 |
completed | May 2, 2026, 1:04 p.m. |
Created at: April 8, 2026, 9:48 p.m.