Triple

T5813248
Position Surface form Disambiguated ID Type / Status
Subject Western Pacific Railroad E128920 entity
Predicate notableTrain P1669 FINISHED
Object Exposition Flyer
The Exposition Flyer was a prominent mid-20th-century passenger train that provided transcontinental service between Chicago and the San Francisco Bay Area, serving as a key predecessor to the famed California Zephyr.
 E547687 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: Exposition Flyer | Statement: [Western Pacific Railroad, notableTrain, Exposition Flyer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Exposition Flyer
Context triple: [Western Pacific Railroad, notableTrain, Exposition Flyer]
  • A. The Expo
    The Expo is a well-known multipurpose event and exhibition venue in Portland, Oregon, hosting trade shows, conventions, and community events.
  • B. Expo
    Expo is a popular brand best known for its dry-erase markers and related whiteboard accessories commonly used in schools, offices, and homes.
  • C. Safar Flyer
    Safar Flyer is the loyalty program of Royal Air Maroc that rewards frequent travelers with miles, status benefits, and travel-related privileges.
  • D. Flatiron Flyer
    The Flatiron Flyer is a bus rapid transit service in Colorado that provides high-frequency, limited-stop connections between Denver and Boulder along U.S. 36.
  • E. The Exposition Beautiful
    The Exposition Beautiful was the promotional motto emphasizing the grandeur and aesthetic splendor of the 1915 Panama–Pacific International Exposition held in San Francisco.
  • 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: Exposition Flyer
Triple: [Western Pacific Railroad, notableTrain, Exposition Flyer]
Generated description
The Exposition Flyer was a prominent mid-20th-century passenger train that provided transcontinental service between Chicago and the San Francisco Bay Area, serving as a key predecessor to the famed California Zephyr.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Exposition Flyer
Target entity description: The Exposition Flyer was a prominent mid-20th-century passenger train that provided transcontinental service between Chicago and the San Francisco Bay Area, serving as a key predecessor to the famed California Zephyr.
  • A. The Expo
    The Expo is a well-known multipurpose event and exhibition venue in Portland, Oregon, hosting trade shows, conventions, and community events.
  • B. Expo
    Expo is a popular brand best known for its dry-erase markers and related whiteboard accessories commonly used in schools, offices, and homes.
  • C. Safar Flyer
    Safar Flyer is the loyalty program of Royal Air Maroc that rewards frequent travelers with miles, status benefits, and travel-related privileges.
  • D. Flatiron Flyer
    The Flatiron Flyer is a bus rapid transit service in Colorado that provides high-frequency, limited-stop connections between Denver and Boulder along U.S. 36.
  • E. The Exposition Beautiful
    The Exposition Beautiful was the promotional motto emphasizing the grandeur and aesthetic splendor of the 1915 Panama–Pacific International Exposition held in San Francisco.
  • 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_69c0084788848190bcf71f6bc5d71597 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02b56044c8190847478a342d441c2 completed March 22, 2026, 5:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69c09848dd148190aeea1b1d454b8da5 completed March 23, 2026, 1:32 a.m.
NEDg Description generation batch_69c098ba92408190b61b115540fce941 completed March 23, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69c099bd26fc8190a58bf483a6d4cbca completed March 23, 2026, 1:39 a.m.
Created at: March 22, 2026, 3:52 p.m.