Triple

T20530783
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles–San Francisco E504060 entity
Predicate historicallyServedBy P19592 FINISHED
Object Daylight passenger trains
Daylight passenger trains were a famous series of streamlined, brightly painted Southern Pacific Railroad daytime services known for their scenic coastal route, comfort, and stylish design.
E1435701 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: Daylight passenger trains | Statement: [Los Angeles–San Francisco, historicallyServedBy, Daylight passenger trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Daylight passenger trains
Context triple: [Los Angeles–San Francisco, historicallyServedBy, Daylight passenger trains]
  • A. Zephyr passenger trains
    Zephyr passenger trains were a celebrated fleet of streamlined, diesel-powered passenger trains in the United States that became icons of speed, modern design, and innovation in mid-20th-century rail travel.
  • B. Voyager trains
    Voyager trains are a family of high-speed diesel-electric multiple unit passenger trains widely used on intercity services in the UK rail network.
  • C. ICE trains
    ICE trains are Germany’s high-speed Intercity-Express passenger trains operated by Deutsche Bahn, known for fast long-distance connections across the country and into neighboring nations.
  • D. National Limited passenger train
    The National Limited passenger train was a prominent long-distance streamliner operated by the Baltimore and Ohio Railroad, connecting major Midwestern and East Coast cities in the mid-20th century.
  • E. XPT train
    The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
  • 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: Daylight passenger trains
Triple: [Los Angeles–San Francisco, historicallyServedBy, Daylight passenger trains]
Generated description
Daylight passenger trains were a famous series of streamlined, brightly painted Southern Pacific Railroad daytime services known for their scenic coastal route, comfort, and stylish design.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Daylight passenger trains
Target entity description: Daylight passenger trains were a famous series of streamlined, brightly painted Southern Pacific Railroad daytime services known for their scenic coastal route, comfort, and stylish design.
  • A. Zephyr passenger trains
    Zephyr passenger trains were a celebrated fleet of streamlined, diesel-powered passenger trains in the United States that became icons of speed, modern design, and innovation in mid-20th-century rail travel.
  • B. Voyager trains
    Voyager trains are a family of high-speed diesel-electric multiple unit passenger trains widely used on intercity services in the UK rail network.
  • C. ICE trains
    ICE trains are Germany’s high-speed Intercity-Express passenger trains operated by Deutsche Bahn, known for fast long-distance connections across the country and into neighboring nations.
  • D. National Limited passenger train
    The National Limited passenger train was a prominent long-distance streamliner operated by the Baltimore and Ohio Railroad, connecting major Midwestern and East Coast cities in the mid-20th century.
  • E. XPT train
    The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
  • 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_69e0b4b3a6e08190ae663701f50fab8e completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a06b923c81908ba24be6645a7c61 completed April 20, 2026, 9:53 p.m.
NED1 Entity disambiguation (via context triple) batch_6a089d4a828481909085772ef81a2348 completed May 16, 2026, 4:37 p.m.
NEDg Description generation batch_6a089e8473188190956a0817cd7bbae0 completed May 16, 2026, 4:42 p.m.
NED2 Entity disambiguation (via description) batch_6a089f04483481908fe015bd7514af35 completed May 16, 2026, 4:44 p.m.
Created at: April 16, 2026, 11:37 a.m.