Triple

T271114
Position Surface form Disambiguated ID Type / Status
Subject Silver Meteor E5634 entity
Predicate railwayLineUsed P848 FINISHED
Object CSX A-Line
The CSX A-Line is a major north–south freight and passenger rail corridor in the southeastern United States, running primarily through Florida and used by Amtrak’s Silver Meteor service.
E35283 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: CSX A-Line | Statement: [Silver Meteor, railwayLineUsed, CSX A-Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CSX A-Line
Context triple: [Silver Meteor, railwayLineUsed, CSX A-Line]
  • A. CSX Transportation
    CSX Transportation is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
  • B. Acela
    Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
  • C. Western and Atlantic Railroad
    The Western and Atlantic Railroad was a 19th-century U.S. rail line in Georgia that played a crucial role in the development of Atlanta as a major transportation hub.
  • D. MARC Train
    MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
  • E. Wilmington/Newark Line
    The Wilmington/Newark Line is a commuter rail service in the SEPTA Regional Rail system that connects Philadelphia with Wilmington and Newark in Delaware.
  • 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: CSX A-Line
Triple: [Silver Meteor, railwayLineUsed, CSX A-Line]
Generated description
The CSX A-Line is a major north–south freight and passenger rail corridor in the southeastern United States, running primarily through Florida and used by Amtrak’s Silver Meteor service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: CSX A-Line
Target entity description: The CSX A-Line is a major north–south freight and passenger rail corridor in the southeastern United States, running primarily through Florida and used by Amtrak’s Silver Meteor service.
  • A. CSX Transportation
    CSX Transportation is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
  • B. Acela
    Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
  • C. Western and Atlantic Railroad
    The Western and Atlantic Railroad was a 19th-century U.S. rail line in Georgia that played a crucial role in the development of Atlanta as a major transportation hub.
  • D. MARC Train
    MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
  • E. Wilmington/Newark Line
    The Wilmington/Newark Line is a commuter rail service in the SEPTA Regional Rail system that connects Philadelphia with Wilmington and Newark in Delaware.
  • 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_69a25853594c8190b05ec3a586ec88bf completed Feb. 28, 2026, 2:52 a.m.
NER Named-entity recognition batch_69a25db17e8c8190a6ebcadd8a0abf4d completed Feb. 28, 2026, 3:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69a38f51aeac81908c6d398e650dc315 completed March 1, 2026, 12:58 a.m.
NEDg Description generation batch_69a38fbfac808190b2b551dcbfe6faff completed March 1, 2026, 1 a.m.
NED2 Entity disambiguation (via description) batch_69a3903779e88190a00c44a522e82022 completed March 1, 2026, 1:02 a.m.
Created at: Feb. 28, 2026, 2:57 a.m.