Triple
T12090584
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SMART train |
E287929
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Marin Civic Center station |
E976410
|
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: Marin Civic Center station | Statement: [SMART train, hasStation, Marin Civic Center station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Marin Civic Center station Context triple: [SMART train, hasStation, Marin Civic Center station]
-
A.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
-
B.
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.
-
C.
BART Embarcadero Station
BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
-
D.
Novato San Marin station
chosen
Novato San Marin station is a commuter rail stop in Novato, California, served by the Sonoma–Marin Area Rail Transit (SMART) system.
-
E.
San Francisco 3rd and Townsend Street station
San Francisco 3rd and Townsend Street station was a former Caltrain commuter rail terminal in San Francisco that served as the line’s city terminus before operations moved to the nearby 4th and King Street station.
- 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_69f62a7e1ab481909c25ba3dd3fff9b3 |
completed | May 2, 2026, 4:46 p.m. |
Created at: April 8, 2026, 9:48 p.m.