Triple
T16334701
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Leandro station |
E396645
|
entity |
| Predicate | zone |
P2160
|
FINISHED |
| Object | BART fare zone |
E12820
|
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: BART fare zone | Statement: [San Leandro station, zone, BART fare zone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BART fare zone Context triple: [San Leandro station, zone, BART fare zone]
-
A.
BART Transbay Zone 1
BART Transbay Zone 1 is a core fare zone in the Bay Area Rapid Transit system that covers central transbay stations in the San Francisco financial district and nearby areas.
-
B.
Caltrain Zone 2
Caltrain Zone 2 is a fare zone in the Caltrain commuter rail system covering a segment of the San Francisco Peninsula that includes stations such as Hillsdale.
-
C.
BART
BART is a sequence-to-sequence transformer model developed by Facebook AI for tasks like text generation, summarization, and translation.
-
D.
BART
chosen
BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.
-
E.
Caltrain Zone 6
Caltrain Zone 6 is the southernmost fare zone in the Caltrain commuter rail system, covering the Gilroy area in Santa Clara County, California.
- 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_69d87f255b788190a400eba031dd85d8 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e2c4e29db88190936a07deb5b1c1e3 |
completed | April 17, 2026, 11:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0026173dc081909e00f6647d1f68b3 |
completed | May 10, 2026, 6:30 a.m. |
Created at: April 10, 2026, 5:07 a.m.