Triple
T16565921
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Balboa Park station |
E402458
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object | BART Richmond–Millbrae corridor |
—
|
NE ONNED1 |
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: BART Richmond–Millbrae corridor | Statement: [Balboa Park station, partOfNetwork, BART Richmond–Millbrae corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BART Richmond–Millbrae corridor Context triple: [Balboa Park station, partOfNetwork, BART Richmond–Millbrae corridor]
-
A.
East Bay BART corridor
The East Bay BART corridor is a major rapid transit route running through the eastern side of the San Francisco Bay Area, connecting multiple cities via Bay Area Rapid Transit.
-
B.
BART Richmond–Millbrae+SFO line
chosen
The BART Richmond–Millbrae+SFO line is a Bay Area Rapid Transit route that runs from Richmond in the East Bay through Oakland and San Francisco to Millbrae and San Francisco International Airport.
-
C.
BART Fremont line
The BART Fremont line is a Bay Area Rapid Transit route in the San Francisco Bay Area that historically extended service to the city of Fremont in southern Alameda County.
-
D.
BART Red Line
The BART Red Line is a Bay Area Rapid Transit service route that runs through San Francisco and connects key destinations including downtown San Francisco, Oakland, and other parts of the Bay Area.
-
E.
BART Orange Line
The BART Orange Line is a Bay Area Rapid Transit service route that runs through the East Bay and South Bay, connecting cities such as Richmond, Oakland, and San José.
- 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_69d8838648088190acf97ef11fc3f61b |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e357711ea481909468147375051bb4 |
completed | April 18, 2026, 10:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01953eaa6c819091f7d63a1e3e7070 |
in_progress | May 11, 2026, 8:37 a.m. |
Created at: April 10, 2026, 5:15 a.m.