Triple

T328300
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Station (Baltimore) E6568 entity
Predicate serves P98 FINISHED
Object Crescent (train)
The Crescent is a long-distance Amtrak passenger train that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
E42519 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: Crescent (train) | Statement: [Pennsylvania Station (Baltimore), serves, Crescent (train)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Crescent (train)
Context triple: [Pennsylvania Station (Baltimore), serves, Crescent (train)]
  • A. 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.
  • B. Auto Train
    Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
  • C. 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.
  • D. Coast Starlight
    Coast Starlight is a long-distance Amtrak passenger train renowned for its scenic route along the U.S. West Coast between Los Angeles and Seattle.
  • E. Cardinal (train)
    The Cardinal is an Amtrak long-distance passenger train that runs three times weekly between New York City and Chicago via Washington, D.C., and the scenic New River Gorge.
  • 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: Crescent (train)
Triple: [Pennsylvania Station (Baltimore), serves, Crescent (train)]
Generated description
The Crescent is a long-distance Amtrak passenger train that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Crescent (train)
Target entity description: The Crescent is a long-distance Amtrak passenger train that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
  • A. 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.
  • B. Auto Train
    Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
  • C. 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.
  • D. Coast Starlight
    Coast Starlight is a long-distance Amtrak passenger train renowned for its scenic route along the U.S. West Coast between Los Angeles and Seattle.
  • E. Cardinal (train)
    The Cardinal is an Amtrak long-distance passenger train that runs three times weekly between New York City and Chicago via Washington, D.C., and the scenic New River Gorge.
  • 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_69a2e7933d6c8190bb2592ad13286ef2 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2ea98fa2c8190a5b44f4a26543a17 completed Feb. 28, 2026, 1:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3d241f924819087dedd32d7b6cc2b completed March 1, 2026, 5:44 a.m.
NEDg Description generation batch_69a3d2cf9bb08190bffa5c03147b6aff completed March 1, 2026, 5:46 a.m.
NED2 Entity disambiguation (via description) batch_69a3d34bbbcc819089cf2123da185eb3 completed March 1, 2026, 5:48 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.