Triple
T4447536
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | El Cerrito, California, United States |
E96325
|
entity |
| Predicate | hasBARTStation |
P726
|
FINISHED |
| Object | El Cerrito Plaza station |
E393038
|
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: El Cerrito Plaza station | Statement: [El Cerrito, California, United States, hasBARTStation, El Cerrito Plaza station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: El Cerrito Plaza station Context triple: [El Cerrito, California, United States, hasBARTStation, El Cerrito Plaza station]
-
A.
El Cerrito Plaza station
chosen
El Cerrito Plaza station is an elevated Bay Area Rapid Transit (BART) station in El Cerrito, California, serving as a key stop for commuters traveling through the East Bay.
-
B.
Castro Street station
Castro Street station is an underground Muni Metro light rail stop in San Francisco’s Castro District, serving as a key transit point along Market Street.
-
C.
Civic Center/Grand Park station
Civic Center/Grand Park station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and providing access to nearby government buildings and Grand Park.
-
D.
36th Street station
36th Street station is a key SEPTA trolley stop in Philadelphia serving the Subway–Surface Trolley Lines near the University of Pennsylvania.
-
E.
San Joaquín metro station
San Joaquín metro station is a Mexico City Metro station on Line 7 serving the Polanco/Irrigación area, known for its proximity to major commercial and cultural venues.
- 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_69b345415ba481908df738e7174448ba |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b355d31e10819086590b9f828d50b0 |
completed | March 13, 2026, 12:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b61386df48819080e44a23b9d67d23 |
completed | March 15, 2026, 2:03 a.m. |
Created at: March 12, 2026, 11:32 p.m.