Triple
T20096370
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburg, California |
E496410
|
entity |
| Predicate | hasTransportation |
P105
|
FINISHED |
| Object | Pittsburg Center BART 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: Pittsburg Center BART station | Statement: [Pittsburg, California, hasTransportation, Pittsburg Center BART station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburg Center BART station Context triple: [Pittsburg, California, hasTransportation, Pittsburg Center BART station]
-
A.
Pittsburg Center BART station
chosen
Pittsburg Center BART station is an East Bay Area Rapid Transit station in Pittsburg, California, providing regional rail service and connections for commuters in the surrounding area.
-
B.
Oakland City Center BART station
Oakland City Center BART station is a rapid transit station in downtown Oakland, California, serving as a key hub on the Bay Area Rapid Transit system.
-
C.
BART Pleasant Hill station
BART Pleasant Hill station is a Bay Area Rapid Transit station in Pleasant Hill, California, serving as a major commuter hub for regional rail and local bus connections.
-
D.
El Cerrito Plaza BART station
El Cerrito Plaza BART station is an East Bay Rapid Transit rail station in the San Francisco Bay Area that serves the communities of El Cerrito and nearby Albany, California.
-
E.
Lafayette BART station
Lafayette BART station is a Bay Area Rapid Transit rail station in Lafayette, California, serving as a regional commuter hub for travel throughout the San Francisco Bay Area.
- 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_69da626eee3881909f3454986d4a6511 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6666cc02481908780a415b19c05a2 |
completed | April 20, 2026, 5:46 p.m. |
Created at: April 11, 2026, 11:25 p.m.