Triple
T16710489
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Capitol Corridor at Richmond station |
E406092
|
entity |
| Predicate | ticketingIntegration |
P5883
|
FINISHED |
| Object |
Capitol Corridor eTicketing
Capitol Corridor eTicketing is a digital ticketing system that allows passengers on Amtrak’s Capitol Corridor route to purchase, store, and present train tickets electronically.
|
E873984
|
NE FINISHED |
How this triple was built (4 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 eTicketing | Statement: [Amtrak Capitol Corridor at Richmond station, ticketingIntegration, Capitol Corridor eTicketing]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Capitol Corridor eTicketing Context triple: [Amtrak Capitol Corridor at Richmond station, ticketingIntegration, Capitol Corridor eTicketing]
-
A.
TEXRail
TEXRail is a commuter rail line in the Dallas–Fort Worth area that connects downtown Fort Worth to Dallas/Fort Worth International Airport.
-
B.
Amtrak mobile app
The Amtrak mobile app is a smartphone application that lets passengers search schedules, book and manage train reservations, access e-tickets, and receive real-time travel updates for Amtrak services.
-
C.
Amtrak Capitol Corridor stations
Amtrak Capitol Corridor stations are passenger rail stops along the Capitol Corridor route in Northern California, serving key cities between Auburn/Sacramento and San Jose with regional intercity train service.
-
D.
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.
-
E.
Capitol Corridor Joint Powers Authority
The Capitol Corridor Joint Powers Authority is a California-based public agency that oversees and manages Amtrak’s Capitol Corridor intercity passenger rail service between the Sacramento–San Francisco Bay Area region and surrounding communities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Capitol Corridor eTicketing Triple: [Amtrak Capitol Corridor at Richmond station, ticketingIntegration, Capitol Corridor eTicketing]
Generated description
Capitol Corridor eTicketing is a digital ticketing system that allows passengers on Amtrak’s Capitol Corridor route to purchase, store, and present train tickets electronically.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Capitol Corridor eTicketing Target entity description: Capitol Corridor eTicketing is a digital ticketing system that allows passengers on Amtrak’s Capitol Corridor route to purchase, store, and present train tickets electronically.
-
A.
TEXRail
TEXRail is a commuter rail line in the Dallas–Fort Worth area that connects downtown Fort Worth to Dallas/Fort Worth International Airport.
-
B.
Amtrak mobile app
chosen
The Amtrak mobile app is a smartphone application that lets passengers search schedules, book and manage train reservations, access e-tickets, and receive real-time travel updates for Amtrak services.
-
C.
Amtrak Capitol Corridor stations
Amtrak Capitol Corridor stations are passenger rail stops along the Capitol Corridor route in Northern California, serving key cities between Auburn/Sacramento and San Jose with regional intercity train service.
-
D.
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.
-
E.
Capitol Corridor Joint Powers Authority
The Capitol Corridor Joint Powers Authority is a California-based public agency that oversees and manages Amtrak’s Capitol Corridor intercity passenger rail service between the Sacramento–San Francisco Bay Area region and surrounding communities.
- F. None of above.
Provenance (5 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_69d8838db21081909589220fd71440a4 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e3865186b48190bb45a761f5cf1a83 |
completed | April 18, 2026, 1:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0091a739308190b4d645e096d1710b |
completed | May 10, 2026, 2:09 p.m. |
| NEDg | Description generation | batch_6a00935ad86881908c45cdb513313a1d |
completed | May 10, 2026, 2:16 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a009a0bd7f8819090fb16d88108b96d |
completed | May 10, 2026, 2:45 p.m. |
Created at: April 10, 2026, 5:20 a.m.