Triple
T20079898
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Santa Clara station (VTA) |
E499969
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Santa Clara Valley Transportation Authority |
—
|
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: Santa Clara Valley Transportation Authority | Statement: [Santa Clara station (VTA), operator, Santa Clara Valley Transportation Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Santa Clara Valley Transportation Authority Context triple: [Santa Clara station (VTA), operator, Santa Clara Valley Transportation Authority]
-
A.
Santa Clara Valley Transportation Authority
chosen
The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
-
B.
San Francisco County Transportation Authority
The San Francisco County Transportation Authority is the county’s transportation planning and funding agency, responsible for developing and overseeing major transit, roadway, and mobility projects in San Francisco.
-
C.
San Mateo County Transportation Authority
The San Mateo County Transportation Authority is a public agency responsible for planning, funding, and delivering transportation and congestion-relief projects within San Mateo County, California.
-
D.
Alameda-Contra Costa Transit District
The Alameda-Contra Costa Transit District is a public transit agency serving the East Bay region of the San Francisco Bay Area, primarily providing bus services across Alameda and Contra Costa counties.
-
E.
San Mateo County Transit District
San Mateo County Transit District is the public agency that oversees and manages bus and other transit services in San Mateo County, California.
- 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_69da627770948190997f486f9a2e370f |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6643f93208190ae2a413f88ea9aed |
completed | April 20, 2026, 5:37 p.m. |
Created at: April 11, 2026, 3:40 p.m.