Triple
T3347092
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Capitol Corridor Joint Powers Authority |
E70401
|
entity |
| Predicate | operatesRailService |
P20222
|
FINISHED |
| Object | Capitol Corridor |
E13501
|
NE FINISHED |
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: Capitol Corridor | Statement: [Capitol Corridor Joint Powers Authority, operatesRailService, Capitol Corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Capitol Corridor Context triple: [Capitol Corridor Joint Powers Authority, operatesRailService, Capitol Corridor]
-
A.
Empire Corridor
The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
-
B.
Amtrak Capitol Corridor
chosen
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.
-
C.
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.
-
D.
BNSF Seattle Subdivision
The BNSF Seattle Subdivision is a major freight and passenger rail corridor in the Seattle area, forming part of BNSF Railway’s main line through the Pacific Northwest.
-
E.
Altamont Corridor Express
Altamont Corridor Express is a commuter rail service in Northern California that connects Central Valley communities with the San Francisco Bay Area.
- 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: operatesRailService Context triple: [Capitol Corridor Joint Powers Authority, operatesRailService, Capitol Corridor]
-
A.
railServiceType
Indicates the specific category or type of rail service that applies to the relationship between the involved entities (e.g., local, express, freight).
-
B.
trainOperator
chosen
Indicates that one entity operates, manages, or runs train services for another entity or within a specific rail system.
-
C.
operatesService
Indicates that an agent runs, manages, or provides a particular service.
-
D.
operatesInterCityServices
Indicates that an entity runs or provides transportation services connecting different cities.
-
E.
operatesServiceTo
Indicates that one entity runs or provides a transportation or service route to another entity or location.
- F. None of above.
Provenance (4 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_69ad85a4ef7c8190a29e2bbd6fa454e4 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb21c64448190a29631ea8f029868 |
completed | March 8, 2026, 5:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b3252706408190a86038ca1fe930fd |
completed | March 12, 2026, 8:42 p.m. |
| PD | Predicate disambiguation | batch_69ada42df1d48190874bb05f95deefde |
completed | March 8, 2026, 4:30 p.m. |
Created at: March 8, 2026, 3:12 p.m.