Triple

T5190515
Position Surface form Disambiguated ID Type / Status
Subject Cape May Seashore Lines E117140 entity
Predicate heritageCategory P5929 FINISHED
Object American heritage railroads
American heritage railroads are preserved or restored U.S. railway operations that run historic trains—often with vintage locomotives and cars—for educational, cultural, and tourist purposes.
E501689 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: American heritage railroads | Statement: [Cape May Seashore Lines, heritageCategory, American heritage railroads]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: American heritage railroads
Context triple: [Cape May Seashore Lines, heritageCategory, American heritage railroads]
  • A. Conrail
    Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
  • B. Appalachian railroads
    Appalachian railroads are the network of rail lines that traverse the Appalachian Mountains, historically crucial for transporting coal, timber, and other resources through this rugged region of the eastern United States.
  • C. Pan Am Railways
    Pan Am Railways was a regional freight railroad in New England, formerly known as Guilford Rail System, that operated an extensive network across the northeastern United States.
  • D. North America’s Railroad
    North America’s Railroad is the motto of Canadian National Railway, emphasizing its extensive rail network spanning Canada and parts of the United States.
  • E. Class I freight railroads in the United States
    Class I freight railroads in the United States are the largest and highest-revenue freight rail carriers in the country, operating extensive long-haul networks that move the majority of U.S. rail cargo.
  • 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: American heritage railroads
Triple: [Cape May Seashore Lines, heritageCategory, American heritage railroads]
Generated description
American heritage railroads are preserved or restored U.S. railway operations that run historic trains—often with vintage locomotives and cars—for educational, cultural, and tourist purposes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: American heritage railroads
Target entity description: American heritage railroads are preserved or restored U.S. railway operations that run historic trains—often with vintage locomotives and cars—for educational, cultural, and tourist purposes.
  • A. Conrail
    Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
  • B. Appalachian railroads
    Appalachian railroads are the network of rail lines that traverse the Appalachian Mountains, historically crucial for transporting coal, timber, and other resources through this rugged region of the eastern United States.
  • C. Pan Am Railways
    Pan Am Railways was a regional freight railroad in New England, formerly known as Guilford Rail System, that operated an extensive network across the northeastern United States.
  • D. North America’s Railroad
    North America’s Railroad is the motto of Canadian National Railway, emphasizing its extensive rail network spanning Canada and parts of the United States.
  • E. Class I freight railroads in the United States
    Class I freight railroads in the United States are the largest and highest-revenue freight rail carriers in the country, operating extensive long-haul networks that move the majority of U.S. rail cargo.
  • 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_69bd44620ff48190bcac01782107a397 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd79ebbfd081909a19b903c227fc1f completed March 20, 2026, 4:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69bee09146788190bfaac25a31e76ab5 completed March 21, 2026, 6:16 p.m.
NEDg Description generation batch_69bee2f57b588190a7c7f1e932281911 completed March 21, 2026, 6:27 p.m.
NED2 Entity disambiguation (via description) batch_69bee372a2948190abd3ca95c3c2f01b completed March 21, 2026, 6:29 p.m.
Created at: March 20, 2026, 1:46 p.m.