Triple
T21789785
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Caltrain stations |
E537938
|
entity |
| Predicate | primaryCorridor |
P3034
|
FINISHED |
| Object | San Francisco–San Jose |
—
|
NE NERFINISHED |
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: San Francisco–San Jose | Statement: [Caltrain stations, primaryCorridor, San Francisco–San Jose]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Francisco–San Jose Context triple: [Caltrain stations, primaryCorridor, San Francisco–San Jose]
-
A.
San Francisco–San Jose corridor
chosen
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.
-
B.
San Jose–Sacramento
San Jose–Sacramento is a passenger rail corridor in Northern California connecting the San Francisco Bay Area city of San Jose with the state capital, Sacramento.
-
C.
Los Angeles–San Francisco
Los Angeles–San Francisco refers to the major intercity corridor in California connecting the state’s largest southern metropolis with its iconic northern bay city, historically served by prominent rail and highway routes.
-
D.
Richmond–Oakland–San Francisco corridor
The Richmond–Oakland–San Francisco corridor is a major urban and transportation axis in the San Francisco Bay Area linking the cities of Richmond, Oakland, and San Francisco.
-
E.
San Francisco Bay Area
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0c47198f881908cb0d237266c10e9 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f0621ed2b481909e3df17aee9cd8f7 |
completed | April 28, 2026, 7:30 a.m. |
Created at: April 16, 2026, 6:52 p.m.