Triple
T18121907
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Joaquin Valley transportation corridor |
E433758
|
entity |
| Predicate | includesRailService |
P104377
|
FINISHED |
| Object | Amtrak San Joaquins |
—
|
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: Amtrak San Joaquins | Statement: [San Joaquin Valley transportation corridor, includesRailService, Amtrak San Joaquins]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak San Joaquins Context triple: [San Joaquin Valley transportation corridor, includesRailService, Amtrak San Joaquins]
-
A.
Amtrak California
chosen
Amtrak California is a state-supported intercity passenger rail program in California that oversees and brands several regional Amtrak routes, including the Capitol Corridor, San Joaquins, and Pacific Surfliner.
-
B.
Amtrak Cascades
Amtrak Cascades is a passenger rail service in the Pacific Northwest that operates between Eugene, Oregon and Vancouver, British Columbia, connecting major cities such as Portland and Seattle.
-
C.
Amtrak Capitol Corridor
Amtrak Capitol Corridor is a passenger rail service in Northern California that connects Sacramento, the San Francisco Bay Area, and San Jose with frequent, commuter-oriented trains.
-
D.
Amtrak Coast Starlight
The Amtrak Coast Starlight is a long-distance passenger train running between Seattle and Los Angeles, renowned for its scenic route along the West Coast of the United States.
-
E.
Amtrak Silver Star
Amtrak Silver Star is a long-distance passenger train operated by Amtrak that runs between New York City and Miami, serving major cities along the U.S. East Coast.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: includesRailService Context triple: [San Joaquin Valley transportation corridor, includesRailService, Amtrak San Joaquins]
-
A.
isRailServiceOf
chosen
Indicates that a particular rail service operates for, belongs to, or is provided by a specified entity (such as a route, operator, or network).
-
B.
railServiceType
Indicates the specific category or type of rail service that applies to the relationship between the involved entities (e.g., local, express, freight).
-
C.
hasRailRoute
Indicates that there exists a rail-based transportation route or connection between the related entities.
-
D.
hasRail
Indicates that something is equipped with, includes, or is connected to a rail or rail system.
-
E.
railwayTypeServed
Indicates the type of railway system or service that a given entity (such as a station, line, or facility) is designed to serve or accommodate.
- F. None of above.
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_69d8b909e8cc81908df4cc2b8ea6d11f |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4ddea61bc8190af4b3efa2596b632 |
completed | April 19, 2026, 1:51 p.m. |
| PD | Predicate disambiguation | batch_69e43313ca788190baa224269e71de49 |
completed | April 19, 2026, 1:42 a.m. |
Created at: April 10, 2026, 10:28 a.m.