Triple
T2592849
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Peninsula rail corridor |
E58161
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Bay Area |
E5432
|
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: Bay Area | Statement: [Peninsula rail corridor, regionServed, Bay Area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bay Area Context triple: [Peninsula rail corridor, regionServed, Bay Area]
-
A.
San Francisco Bay Area
chosen
The San Francisco Bay Area is a major metropolitan region in Northern California known for its technology industry, cultural diversity, and iconic landmarks such as the Golden Gate Bridge.
-
B.
East Bay
East Bay is a coastal inlet and estuarine body of water in northwest Florida that forms part of the larger Pensacola Bay system.
-
C.
East Bay
East Bay is a region of the San Francisco Bay Area in Northern California, encompassing cities such as Oakland and Berkeley along the eastern shore of the bay.
-
D.
Vallejo–Fairfield metropolitan area
The Vallejo–Fairfield metropolitan area is a Northern California metro region centered on the cities of Vallejo and Fairfield in Solano County, forming part of the broader San Francisco Bay Area.
-
E.
San Jose-Sunnyvale-Santa Clara metropolitan area
The San Jose–Sunnyvale–Santa Clara metropolitan area is a major Silicon Valley tech hub in California’s Bay Area, centered on San Jose and known for its high concentration of technology companies and innovation.
- 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_69ab4ac019c8819094add11c46706e32 |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abd426e2d4819081a07920b4d2a1cc |
completed | March 7, 2026, 7:30 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b203287b48819080791588c7f7f5ab |
completed | March 12, 2026, 12:04 a.m. |
Created at: March 6, 2026, 9:49 p.m.