Triple

T6652060
Position Surface form Disambiguated ID Type / Status
Subject EMD GP40-2H E150844 entity
Predicate usedIn P98 FINISHED
Object North American commuter railroads
North American commuter railroads are passenger rail systems that provide medium-distance, peak-oriented train service between suburban or outlying areas and major urban centers across the continent.
E609868 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: North American commuter railroads | Statement: [EMD GP40-2H, usedIn, North American commuter railroads]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North American commuter railroads
Context triple: [EMD GP40-2H, usedIn, North American commuter railroads]
  • A. Regional Railways
    Regional Railways was one of the post-sectorisation passenger business sectors of British Rail, responsible for operating local and regional train services across much of the UK outside the main intercity and commuter networks.
  • B. Amtrak corridor services
    Amtrak corridor services are short- to medium-distance intercity passenger rail routes that connect major cities and regions across the United States with frequent, higher-speed train service.
  • C. North American rail network
    The North American rail network is an extensive, interconnected system of freight and passenger rail lines spanning the United States, Canada, and Mexico, operated by multiple major and regional railroads.
  • D. U.S. intercity passenger rail network
    The U.S. intercity passenger rail network is a nationwide system of medium- and long-distance train routes, primarily operated by Amtrak, that connects major cities and regions across the United States.
  • E. Amtrak long-distance routes
    Amtrak long-distance routes are the United States’ cross-country and overnight passenger train services that connect major cities and regions over extended distances.
  • 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: North American commuter railroads
Triple: [EMD GP40-2H, usedIn, North American commuter railroads]
Generated description
North American commuter railroads are passenger rail systems that provide medium-distance, peak-oriented train service between suburban or outlying areas and major urban centers across the continent.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: North American commuter railroads
Target entity description: North American commuter railroads are passenger rail systems that provide medium-distance, peak-oriented train service between suburban or outlying areas and major urban centers across the continent.
  • A. Regional Railways
    Regional Railways was one of the post-sectorisation passenger business sectors of British Rail, responsible for operating local and regional train services across much of the UK outside the main intercity and commuter networks.
  • B. Amtrak corridor services
    Amtrak corridor services are short- to medium-distance intercity passenger rail routes that connect major cities and regions across the United States with frequent, higher-speed train service.
  • C. North American rail network
    The North American rail network is an extensive, interconnected system of freight and passenger rail lines spanning the United States, Canada, and Mexico, operated by multiple major and regional railroads.
  • D. U.S. intercity passenger rail network
    The U.S. intercity passenger rail network is a nationwide system of medium- and long-distance train routes, primarily operated by Amtrak, that connects major cities and regions across the United States.
  • E. Amtrak long-distance routes
    Amtrak long-distance routes are the United States’ cross-country and overnight passenger train services that connect major cities and regions over extended distances.
  • 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_69c687f2c9508190a60b9aad31d3f358 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6b046c1408190af288575e40936d0 completed March 27, 2026, 4:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6eefb3b6c8190ba797dc51966e3a5 completed March 27, 2026, 8:56 p.m.
NEDg Description generation batch_69c6f1ed97248190ab2253b3b2457f4f completed March 27, 2026, 9:09 p.m.
NED2 Entity disambiguation (via description) batch_69c6f2c18c0081908958b7ffeed7a787 completed March 27, 2026, 9:12 p.m.
Created at: March 27, 2026, 2:01 p.m.