Triple
T18343082
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lafayette BART station |
E439458
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Walnut Creek, California |
—
|
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: Walnut Creek, California | Statement: [Lafayette BART station, connectsTo, Walnut Creek, California]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Walnut Creek, California Context triple: [Lafayette BART station, connectsTo, Walnut Creek, California]
-
A.
Walnut Creek, California
chosen
Walnut Creek, California is a suburban city in the East Bay region of the San Francisco Bay Area known for its affluent residential neighborhoods, vibrant downtown, and role as a regional commercial and cultural hub.
-
B.
Walnut Creek
Walnut Creek is a stream in central Ohio that flows through the Canal Winchester area and ultimately feeds into the Scioto River system.
-
C.
Walnut Creek
Walnut Creek is a stream in central Kansas that serves as a tributary of the Arkansas River and flows through Barton County and surrounding areas.
-
D.
Walnut Creek
Walnut Creek is a stream in northern Arizona that flows through Walnut Canyon and gives the canyon and its national monument their name.
-
E.
Redwood City, California
Redwood City, California is a city on the San Francisco Peninsula in Silicon Valley, known for its historic downtown and role as the county seat of San Mateo County.
- 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_69d8b9175fec8190af865699b4e64d8c |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e514f188e081909cdbce61a21b9591 |
completed | April 19, 2026, 5:46 p.m. |
Created at: April 10, 2026, 10:37 a.m.