Triple
T17993729
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | County Connection |
E430445
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | BART Walnut Creek 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: BART Walnut Creek Station | Statement: [County Connection, connectsTo, BART Walnut Creek Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BART Walnut Creek Station Context triple: [County Connection, connectsTo, BART Walnut Creek Station]
-
A.
Walnut Creek BART station
chosen
Walnut Creek BART station is a Bay Area Rapid Transit station in Walnut Creek, California, serving as a key regional rail hub with access to nearby downtown attractions and cultural venues.
-
B.
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.
-
C.
Fremont station (BART)
Fremont station (BART) is a Bay Area Rapid Transit station in Fremont, California that historically served as the southern terminus of the system’s Fremont line before extension to Warm Springs/South Fremont.
-
D.
South San Francisco BART station
South San Francisco BART station is a Bay Area Rapid Transit station in South San Francisco, California, serving the Peninsula corridor between San Francisco and San Mateo County.
-
E.
San Bruno BART station
San Bruno BART station is a Bay Area Rapid Transit station in San Bruno, California, serving as a regional rail link between the San Francisco Peninsula and the greater 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_69d8b90364248190a37381adea932f42 |
completed | April 10, 2026, 8:46 a.m. |
| NER | Named-entity recognition | batch_69e4b3e29490819090ff221e7d7a9ddd |
completed | April 19, 2026, 10:52 a.m. |
Created at: April 10, 2026, 10:23 a.m.