Triple
T9597568
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 19th Street Oakland station |
E231569
|
entity |
| Predicate | hasTransfer |
P17241
|
FINISHED |
| Object | AC Transit Transbay routes |
E33595
|
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: AC Transit Transbay routes | Statement: [19th Street Oakland station, hasTransfer, AC Transit Transbay routes]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: AC Transit Transbay routes Context triple: [19th Street Oakland station, hasTransfer, AC Transit Transbay routes]
-
A.
AC Transit
chosen
AC Transit is a public bus agency serving the East Bay region of the San Francisco Bay Area, providing local and transbay bus services.
-
B.
BART
BART is a sequence-to-sequence transformer model developed by Facebook AI for tasks like text generation, summarization, and translation.
-
C.
BART
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.
-
D.
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.
-
E.
Muni Metro lines
Muni Metro lines are a network of light rail routes in San Francisco that provide rapid transit service across the city as part of the San Francisco Municipal Railway system.
- 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_69ca8482884481908eccdfdf64d6fbf7 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd9a34f5408190ba72ba8311eb259c |
completed | April 1, 2026, 10:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1619f4170819092ae90b2896b0855 |
completed | April 4, 2026, 7:08 p.m. |
Created at: March 30, 2026, 8:07 p.m.