Triple
T16817789
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak San Joaquins at Richmond station |
E408797
|
entity |
| Predicate | adjacentTo |
P224
|
FINISHED |
| Object | Richmond BART station |
E244376
|
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: Richmond BART station | Statement: [Amtrak San Joaquins at Richmond station, adjacentTo, Richmond BART station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Richmond BART station Context triple: [Amtrak San Joaquins at Richmond station, adjacentTo, Richmond BART station]
-
A.
Richmond BART station
chosen
Richmond BART station is a major transit hub in Richmond, California, serving as the northern terminus of BART’s Richmond line and an intermodal connection point with Amtrak and local buses.
-
B.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
-
C.
Bay Point BART station
Bay Point BART station is an elevated rapid transit station in Contra Costa County that serves as the eastern terminus of BART’s Yellow Line in the San Francisco Bay Area.
-
D.
Walnut Creek BART station
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.
-
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 (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_69d88394566c8190b3dcbdc72935f7fa |
completed | April 10, 2026, 4:59 a.m. |
| NER | Named-entity recognition | batch_69e3b2e30cf48190a61936ba0a49df24 |
completed | April 18, 2026, 4:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00bb0f863081908e74dc4a7c91e91d |
completed | May 10, 2026, 5:06 p.m. |
Created at: April 10, 2026, 5:23 a.m.