Triple

T14882438
Position Surface form Disambiguated ID Type / Status
Subject Surfliner cars E350032 entity
Predicate fundedBy P67 FINISHED
Object State of California (for Amtrak California fleet)
The State of California (for Amtrak California fleet) is the public funding authority that finances and oversees the passenger rail equipment and services branded as Amtrak California, including the Surfliner cars used on state-supported routes.
E1124945 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: State of California (for Amtrak California fleet) | Statement: [Surfliner cars, fundedBy, State of California (for Amtrak California fleet)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: State of California (for Amtrak California fleet)
Context triple: [Surfliner cars, fundedBy, State of California (for Amtrak California fleet)]
  • A. Amtrak California
    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. Golden State (passenger train)
    The Golden State was a prominent mid-20th-century streamlined passenger train that provided long-distance service between Chicago and Los Angeles via the Midwest and Southwest.
  • C. Amtrak California bi-level coaches
    Amtrak California bi-level coaches are double-decker passenger railcars used on California’s state-supported Amtrak routes, designed to provide high-capacity, comfortable intercity service with features tailored to regional corridor operations.
  • D. West Coast Express
    West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
  • E. 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.
  • 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: State of California (for Amtrak California fleet)
Triple: [Surfliner cars, fundedBy, State of California (for Amtrak California fleet)]
Generated description
The State of California (for Amtrak California fleet) is the public funding authority that finances and oversees the passenger rail equipment and services branded as Amtrak California, including the Surfliner cars used on state-supported routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: State of California (for Amtrak California fleet)
Target entity description: The State of California (for Amtrak California fleet) is the public funding authority that finances and oversees the passenger rail equipment and services branded as Amtrak California, including the Surfliner cars used on state-supported routes.
  • A. Amtrak California
    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. Golden State (passenger train)
    The Golden State was a prominent mid-20th-century streamlined passenger train that provided long-distance service between Chicago and Los Angeles via the Midwest and Southwest.
  • C. Amtrak California bi-level coaches
    Amtrak California bi-level coaches are double-decker passenger railcars used on California’s state-supported Amtrak routes, designed to provide high-capacity, comfortable intercity service with features tailored to regional corridor operations.
  • D. West Coast Express
    West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
  • E. 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.
  • F. None of above. chosen

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_69d822ee4f408190b6ac3b2fa434f0df completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69ded5e7c0e48190af2d68a71130585c completed April 15, 2026, 12:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe6b5af8208190a35451477ea20b03 completed May 8, 2026, 11:01 p.m.
NEDg Description generation batch_69fe6cc2ccb0819081e32dc9d2e3973a completed May 8, 2026, 11:07 p.m.
NED2 Entity disambiguation (via description) batch_69fe6d9e9a648190920206c8f75cae2e completed May 8, 2026, 11:11 p.m.
Created at: April 10, 2026, 1:56 a.m.