Triple
T3999004
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Richmond–Millbrae line |
E87165
|
entity |
| Predicate | interchangeWith |
P3495
|
FINISHED |
| Object | SamTrans at Millbrae station |
E8245
|
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: SamTrans at Millbrae station | Statement: [Richmond–Millbrae line, interchangeWith, SamTrans at Millbrae station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SamTrans at Millbrae station Context triple: [Richmond–Millbrae line, interchangeWith, SamTrans at Millbrae station]
-
A.
Muni Metro at Embarcadero Station
Muni Metro at Embarcadero Station is a major San Francisco light rail hub located in the Financial District, serving multiple Muni Metro lines and connecting to regional transit services.
-
B.
SamTrans
chosen
SamTrans is the public bus and paratransit agency serving San Mateo County and parts of the San Francisco Bay Area.
-
C.
Muni Metro Embarcadero station
Muni Metro Embarcadero station is a major underground light rail and subway hub in downtown San Francisco that serves as a key transit gateway to the city’s Embarcadero waterfront and Financial District.
-
D.
San Francisco Bay Ferry
San Francisco Bay Ferry is a public ferry service that operates passenger routes across the San Francisco Bay, connecting various waterfront cities and transit hubs in the Bay Area.
-
E.
Golden Gate Transit
Golden Gate Transit is a regional public bus and ferry system serving the North Bay and San Francisco in 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_69aed94118148190975e6aa4e554cde9 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefa4065ac8190a898a1025365b8e9 |
completed | March 9, 2026, 4:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b54c57f60c819080e237b4b056d73b |
completed | March 14, 2026, 11:54 a.m. |
Created at: March 9, 2026, 3:34 p.m.