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.