Triple
T22304077
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central California Traction Company |
E551328
|
entity |
| Predicate | servedCorridor |
P2566
|
FINISHED |
| Object | Stockton–Lodi–Sacramento 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: Stockton–Lodi–Sacramento corridor | Statement: [Central California Traction Company, servedCorridor, Stockton–Lodi–Sacramento corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stockton–Lodi–Sacramento corridor Context triple: [Central California Traction Company, servedCorridor, Stockton–Lodi–Sacramento corridor]
-
A.
East Bay–Central Valley rail corridor
The East Bay–Central Valley rail corridor is a major freight and passenger rail route linking California’s San Francisco Bay Area with the Central Valley through the East Bay.
-
B.
Sacramento–Chico line
The Sacramento–Chico line was an interurban electric railway route in Northern California that connected Sacramento with Chico as part of the Sacramento Northern Railway system.
-
C.
San Francisco–San Jose rail corridor
The San Francisco–San Jose rail corridor is a major commuter and intercity rail line on the San Francisco Peninsula that connects San Francisco and San Jose, primarily served by Caltrain.
-
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 Joaquins route
The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
- 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: Stockton–Lodi–Sacramento corridor Target entity description: The Stockton–Lodi–Sacramento corridor is a regional transportation and economic corridor in California’s Central Valley linking the cities of Stockton, Lodi, and Sacramento.
-
A.
East Bay–Central Valley rail corridor
The East Bay–Central Valley rail corridor is a major freight and passenger rail route linking California’s San Francisco Bay Area with the Central Valley through the East Bay.
-
B.
Sacramento–Chico line
The Sacramento–Chico line was an interurban electric railway route in Northern California that connected Sacramento with Chico as part of the Sacramento Northern Railway system.
-
C.
San Francisco–San Jose rail corridor
The San Francisco–San Jose rail corridor is a major commuter and intercity rail line on the San Francisco Peninsula that connects San Francisco and San Jose, primarily served by Caltrain.
-
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 Joaquins route
The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
- F. None of above. chosen
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_69e11e46c0188190800181a4233f28fe |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15725de488190a32006cd99dd4a67 |
completed | April 29, 2026, 12:56 a.m. |
Created at: April 16, 2026, 8:41 p.m.