Triple
T17716876
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Concord/Martinez station |
E442221
|
entity |
| Predicate | isPartOfCorridor |
P35
|
FINISHED |
| Object | Antioch–San Francisco/Millbrae corridor |
—
|
NE NERFINISHED |
How this triple was built (3 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: Antioch–San Francisco/Millbrae corridor | Statement: [North Concord/Martinez station, isPartOfCorridor, Antioch–San Francisco/Millbrae corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Antioch–San Francisco/Millbrae corridor Context triple: [North Concord/Martinez station, isPartOfCorridor, Antioch–San Francisco/Millbrae corridor]
-
A.
South Bay–East Bay commute corridor
The South Bay–East Bay commute corridor is a major regional travel route in the San Francisco Bay Area connecting residential and employment centers between the South Bay and East Bay.
-
B.
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.
-
C.
South San Francisco–East Bay route
The South San Francisco–East Bay route is a San Francisco Bay Ferry commuter and transit service connecting South San Francisco with cities on the East Bay shoreline across the San Francisco Bay.
-
D.
Vallejo–San Francisco route
The Vallejo–San Francisco route is a commuter and leisure passenger ferry service across San Pablo Bay linking the city of Vallejo with San Francisco.
-
E.
San Francisco–San Jose corridor
The San Francisco–San Jose corridor is a heavily urbanized and economically vital stretch of the San Francisco Peninsula that links the two major Bay Area cities and encompasses much of Silicon Valley.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Antioch–San Francisco/Millbrae corridor Target entity description: The Antioch–San Francisco/Millbrae corridor is a Bay Area Rapid Transit (BART) service corridor linking eastern Contra Costa County with San Francisco and the Peninsula, including Millbrae.
-
A.
South Bay–East Bay commute corridor
The South Bay–East Bay commute corridor is a major regional travel route in the San Francisco Bay Area connecting residential and employment centers between the South Bay and East Bay.
-
B.
East Bay BART corridor
chosen
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.
-
C.
South San Francisco–East Bay route
The South San Francisco–East Bay route is a San Francisco Bay Ferry commuter and transit service connecting South San Francisco with cities on the East Bay shoreline across the San Francisco Bay.
-
D.
Vallejo–San Francisco route
The Vallejo–San Francisco route is a commuter and leisure passenger ferry service across San Pablo Bay linking the city of Vallejo with San Francisco.
-
E.
San Francisco–San Jose corridor
The San Francisco–San Jose corridor is a heavily urbanized and economically vital stretch of the San Francisco Peninsula that links the two major Bay Area cities and encompasses much of Silicon Valley.
- F. None of above.
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_69d8b9ec79688190b86bdcef85a7b3aa |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e47481663c8190a1110385e5596ab0 |
completed | April 19, 2026, 6:21 a.m. |
Created at: April 10, 2026, 10:06 a.m.