Triple
T22588383
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MacArthur Transit Village |
E564864
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | MacArthur 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: MacArthur BART station | Statement: [MacArthur Transit Village, servedBy, MacArthur BART station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MacArthur BART station Context triple: [MacArthur Transit Village, servedBy, MacArthur BART station]
-
A.
MacArthur BART station
chosen
MacArthur BART station is a major Bay Area Rapid Transit hub in Oakland, California, serving as a key transfer point for multiple lines and regional commuters.
-
B.
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.
-
C.
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.
-
D.
BART Embarcadero Station
BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
-
E.
Lake Merritt BART station
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.
- 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_69e245836014819091b91ed3074742a3 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f1615ea5bc8190b7760cd0de9669dd |
completed | April 29, 2026, 1:39 a.m. |
Created at: April 17, 2026, 2:47 p.m.