Triple

T1003250
Position Surface form Disambiguated ID Type / Status
Subject Coast Starlight E21649 entity
Predicate predecessorService P22193 FINISHED
Object Coast Daylight
Coast Daylight was a famous Southern Pacific Railroad daytime passenger train that ran along the scenic California coast between Los Angeles and San Francisco.
E117842 NE FINISHED

How this triple was built (5 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: Coast Daylight | Statement: [Coast Starlight, predecessorService, Coast Daylight]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Coast Daylight
Context triple: [Coast Starlight, predecessorService, Coast Daylight]
  • A. Alaska Daylight Time
    Alaska Daylight Time is the daylight saving time observed in most of the U.S. state of Alaska, running one hour ahead of Alaska Standard Time.
  • B. Hawaii–Aleutian Standard Time
    Hawaii–Aleutian Standard Time is the time zone used by Hawaii and part of the Aleutian Islands, typically 10 hours behind Coordinated Universal Time (UTC−10:00).
  • C. Yukon Time Zone
    The Yukon Time Zone is a North American time zone used primarily in Canada's Yukon territory, aligning year-round with Pacific Daylight Time.
  • D. Anadyr Time
    Anadyr Time is the time zone used in Russia’s far northeastern regions, including Chukotka and parts of the Russian Far East, offset well ahead of Coordinated Universal Time.
  • E. Alaska Time Zone
    The Alaska Time Zone is the standard time zone used by most of the U.S. state of Alaska, observing a time offset one hour behind Pacific Time.
  • 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: Coast Daylight
Triple: [Coast Starlight, predecessorService, Coast Daylight]
Generated description
Coast Daylight was a famous Southern Pacific Railroad daytime passenger train that ran along the scenic California coast between Los Angeles and San Francisco.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Coast Daylight
Target entity description: Coast Daylight was a famous Southern Pacific Railroad daytime passenger train that ran along the scenic California coast between Los Angeles and San Francisco.
  • A. Alaska Daylight Time
    Alaska Daylight Time is the daylight saving time observed in most of the U.S. state of Alaska, running one hour ahead of Alaska Standard Time.
  • B. Hawaii–Aleutian Standard Time
    Hawaii–Aleutian Standard Time is the time zone used by Hawaii and part of the Aleutian Islands, typically 10 hours behind Coordinated Universal Time (UTC−10:00).
  • C. Yukon Time Zone
    The Yukon Time Zone is a North American time zone used primarily in Canada's Yukon territory, aligning year-round with Pacific Daylight Time.
  • D. Anadyr Time
    Anadyr Time is the time zone used in Russia’s far northeastern regions, including Chukotka and parts of the Russian Far East, offset well ahead of Coordinated Universal Time.
  • E. Alaska Time Zone
    The Alaska Time Zone is the standard time zone used by most of the U.S. state of Alaska, observing a time offset one hour behind Pacific Time.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: predecessorService
Context triple: [Coast Starlight, predecessorService, Coast Daylight]
  • A. predecessorSeries
    Indicates that one series directly precedes another in an ordered sequence or lineage.
  • B. predecessorState
    Indicates that one state directly precedes another in a sequence or process.
  • C. predecessorClass
    Indicates that one class precedes another in an ordered sequence or hierarchy, typically representing an earlier version or prior stage of that class.
  • D. predecessorInRole
    Indicates that one entity previously held a particular role or position that was later occupied by another entity.
  • E. predecessorName
    Indicates that the value is the name of an entity that directly precedes another in an ordered sequence or lineage.
  • F. None of above. chosen

Provenance (7 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_69a493c53e648190ae8cb76c433fd9a7 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b4fe0a548190aee8abf1890e141e completed March 1, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac2a1ecddc8190b954d16c6e269498 completed March 7, 2026, 1:37 p.m.
NEDg Description generation batch_69ac2a8dd818819088e6140e9a12594b completed March 7, 2026, 1:39 p.m.
NED2 Entity disambiguation (via description) batch_69ac2af2efd88190b1da673aa3ead5fd completed March 7, 2026, 1:41 p.m.
PD Predicate disambiguation batch_69a4b2b1f4f88190822598cfd2a0fd2b completed March 1, 2026, 9:42 p.m.
PDg Predicate description generation batch_69a4b36064a48190b85c402f32cbadd1 completed March 1, 2026, 9:45 p.m.
Created at: March 1, 2026, 7:41 p.m.