Triple
T18312760
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bay Point BART station |
E438669
|
entity |
| Predicate | hasAdjacentStation |
P231
|
FINISHED |
| Object | North Concord / Martinez 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: North Concord / Martinez BART station | Statement: [Bay Point BART station, hasAdjacentStation, North Concord / Martinez BART station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Concord / Martinez BART station Context triple: [Bay Point BART station, hasAdjacentStation, North Concord / Martinez BART station]
-
A.
Concord BART station
Concord BART station is a Bay Area Rapid Transit station in Concord, California, serving as a key transit hub for commuters in the eastern San Francisco Bay Area.
-
B.
North Concord/Martinez station
chosen
North Concord/Martinez station is a Bay Area Rapid Transit (BART) station in Concord, California, serving the North Concord and Martinez areas along the Antioch–SFO/Millbrae line.
-
C.
El Cerrito del Norte BART station
El Cerrito del Norte BART station is a major Bay Area Rapid Transit hub in El Cerrito, California, providing regional rail service along the Richmond line and extensive bus connections for commuters in the East Bay.
-
D.
Millbrae station
Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
-
E.
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.
- 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_69d8b916a2d081909e249e4902f6aad9 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e5021a96b48190976273be3ff3e5c6 |
completed | April 19, 2026, 4:26 p.m. |
Created at: April 10, 2026, 10:36 a.m.