Triple
T23158722
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Yellow Line |
E578519
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Lake Merritt 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: Lake Merritt station | Statement: [BART Yellow Line, hasStation, Lake Merritt station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Merritt station Context triple: [BART Yellow Line, hasStation, Lake Merritt station]
-
A.
Alameda station
Alameda station is an underground interchange station on the Lisbon Metro system, serving as a key connection point between multiple metro lines in the city.
-
B.
Lake Merritt BART station
chosen
Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
-
C.
San Leandro station
San Leandro station is a Bay Area Rapid Transit (BART) station in San Leandro, California, serving as a key stop on lines connecting the East Bay with the broader San Francisco Bay Area rail network.
-
D.
West Oakland station
West Oakland station is a Bay Area Rapid Transit (BART) station in Oakland, California, serving as a key stop near the eastern approach to the San Francisco–Oakland Bay Bridge.
-
E.
Oakland City station
Oakland City station is an Atlanta rapid transit stop on MARTA’s Red Line serving the Oakland City neighborhood in southwest Atlanta.
- 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_69e245fc75348190a0288401044c8af8 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18efeddd48190b6d03d2146583dcc |
completed | April 29, 2026, 4:54 a.m. |
Created at: April 17, 2026, 4:02 p.m.