Triple

T187984
Position Surface form Disambiguated ID Type / Status
Subject AMTK E4024 entity
Predicate regulatedBy P86 FINISHED
Object Association of American Railroads
The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
 E32471 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: Association of American Railroads | Statement: [AMTK, regulatedBy, Association of American Railroads]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Association of American Railroads
Context triple: [AMTK, regulatedBy, Association of American Railroads]
  • A. Norfolk Southern Railway
    Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
  • B. Union Pacific Railroad
    Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
  • C. New York Central Railroad
    New York Central Railroad was one of the largest and most influential American railroads, known for its extensive network in the northeastern United States and iconic passenger trains like the 20th Century Limited.
  • D. Amtrak
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • E. CSX Transportation
    CSX Transportation is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
  • 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: Association of American Railroads
Triple: [AMTK, regulatedBy, Association of American Railroads]
Generated description
The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Association of American Railroads
Target entity description: The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
  • A. Norfolk Southern Railway
    Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
  • B. Union Pacific Railroad
    Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
  • C. New York Central Railroad
    New York Central Railroad was one of the largest and most influential American railroads, known for its extensive network in the northeastern United States and iconic passenger trains like the 20th Century Limited.
  • D. Amtrak
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • E. CSX Transportation
    CSX Transportation is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
  • 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_69a25497e2f08190a040f8c6e1842643 completed Feb. 28, 2026, 2:36 a.m.
NER Named-entity recognition batch_69a2594940e48190a3d8efbce46241c3 completed Feb. 28, 2026, 2:56 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3736ce0148190971ea784bfd171a5 completed Feb. 28, 2026, 10:59 p.m.
NEDg Description generation batch_69a3745c4cb481908fb0ba52119fabbb completed Feb. 28, 2026, 11:03 p.m.
NED2 Entity disambiguation (via description) batch_69a374e12e9c819090217b5197c90ccf completed Feb. 28, 2026, 11:06 p.m.
Created at: Feb. 28, 2026, 2:40 a.m.