Triple

T5602735
Position Surface form Disambiguated ID Type / Status
Subject Illinois Central Railroad E147157 entity
Predicate notablePassengerTrain P1669 FINISHED
Object Green Diamond
Green Diamond was a streamlined, diesel-powered passenger train operated by the Illinois Central Railroad, best known for its luxury service between Chicago and St. Louis in the mid-20th century.
E533775 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: Green Diamond | Statement: [Illinois Central Railroad, notablePassengerTrain, Green Diamond]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Diamond
Context triple: [Illinois Central Railroad, notablePassengerTrain, Green Diamond]
  • A. Blue Diamond
    Blue Diamond is the nickname of the U.S. 1st Marine Division, a storied Marine Corps infantry division renowned for its combat history and distinctive diamond-shaped insignia.
  • B. Black Diamond
    Black Diamond was an early steam locomotive associated with the pioneering Stockton and Darlington Railway, one of the first public railways to use steam power for freight and passengers.
  • C. Gold Point
    Gold Point is a historic Nevada mining ghost town known for its preserved old buildings and Wild West heritage.
  • D. Sunstone
    Sunstone is a renowned long-form poem by Mexican Nobel laureate Octavio Paz, celebrated for its circular structure and rich exploration of time, love, and existential reflection.
  • E. Emerald
    Emerald is a rural town in Central Queensland, Australia, known as a regional service and education hub for the surrounding agricultural and mining 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: Green Diamond
Triple: [Illinois Central Railroad, notablePassengerTrain, Green Diamond]
Generated description
Green Diamond was a streamlined, diesel-powered passenger train operated by the Illinois Central Railroad, best known for its luxury service between Chicago and St. Louis in the mid-20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Green Diamond
Target entity description: Green Diamond was a streamlined, diesel-powered passenger train operated by the Illinois Central Railroad, best known for its luxury service between Chicago and St. Louis in the mid-20th century.
  • A. Blue Diamond
    Blue Diamond is the nickname of the U.S. 1st Marine Division, a storied Marine Corps infantry division renowned for its combat history and distinctive diamond-shaped insignia.
  • B. Black Diamond
    Black Diamond was an early steam locomotive associated with the pioneering Stockton and Darlington Railway, one of the first public railways to use steam power for freight and passengers.
  • C. Gold Point
    Gold Point is a historic Nevada mining ghost town known for its preserved old buildings and Wild West heritage.
  • D. Sunstone
    Sunstone is a renowned long-form poem by Mexican Nobel laureate Octavio Paz, celebrated for its circular structure and rich exploration of time, love, and existential reflection.
  • E. Emerald
    Emerald is a rural town in Central Queensland, Australia, known as a regional service and education hub for the surrounding agricultural and mining communities.
  • 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_69c009043d648190a7af89698ccf1e3e completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c020dbd6dc8190ba011876c205754e completed March 22, 2026, 5:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0287649cc8190ae356790dd993973 completed March 22, 2026, 5:35 p.m.
NEDg Description generation batch_69c0350eb53081909dc573fefa3e7f0a completed March 22, 2026, 6:29 p.m.
NED2 Entity disambiguation (via description) batch_69c036f0edb48190bfa74f7f2c9d9ab1 completed March 22, 2026, 6:37 p.m.
Created at: March 22, 2026, 3:39 p.m.