Triple
T22595591
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak in Silicon Valley |
E574670
|
entity |
| Predicate | governingAgencyPartner |
P139240
|
FINISHED |
| Object | Caltrans Division of Rail and Mass Transportation |
—
|
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: Caltrans Division of Rail and Mass Transportation | Statement: [Amtrak in Silicon Valley, governingAgencyPartner, Caltrans Division of Rail and Mass Transportation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caltrans Division of Rail and Mass Transportation Context triple: [Amtrak in Silicon Valley, governingAgencyPartner, Caltrans Division of Rail and Mass Transportation]
-
A.
Caltrans
chosen
Caltrans is the California state agency responsible for planning, building, and maintaining the state’s highway and transportation systems.
-
B.
Alameda Corridor Transportation Authority
The Alameda Corridor Transportation Authority is a public agency that developed and manages the Alameda Corridor freight rail expressway linking the Ports of Los Angeles and Long Beach to the national rail network.
-
C.
California State Transportation Agency
The California State Transportation Agency is a California state government cabinet-level department that oversees and coordinates the state’s transportation-related entities and policies, including highways, rail, transit, and other mobility systems.
-
D.
Transit Division
The Transit Division is the branch of the San Francisco Municipal Transportation Agency responsible for planning, operating, and managing the city’s public transit services such as buses, light rail, and historic streetcars.
-
E.
San Joaquin Regional Rail Commission
The San Joaquin Regional Rail Commission is a public agency in California responsible for planning, managing, and overseeing regional passenger rail services in the San Joaquin Valley and surrounding areas.
- 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_69e245bc11308190b69d794d5d1e0bb6 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f16268cb54819084a0f27ec0473f35 |
completed | April 29, 2026, 1:44 a.m. |
Created at: April 17, 2026, 2:49 p.m.