Triple

T5462951
Position Surface form Disambiguated ID Type / Status
Subject Boone, Iowa, United States E122636 entity
Predicate hasTransportation P105 FINISHED
Object Boone and Scenic Valley Railroad
The Boone and Scenic Valley Railroad is a heritage railway in Iowa that offers scenic excursion trains through the Des Moines River Valley, often using historic steam and diesel locomotives.
 E520185 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: Boone and Scenic Valley Railroad | Statement: [Boone, Iowa, United States, hasTransportation, Boone and Scenic Valley Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Boone and Scenic Valley Railroad
Context triple: [Boone, Iowa, United States, hasTransportation, Boone and Scenic Valley Railroad]
  • A. Cumbres and Toltec Scenic Railroad
    The Cumbres and Toltec Scenic Railroad is a historic narrow-gauge heritage railway running between Colorado and New Mexico, renowned for its preserved steam locomotives and dramatic Rocky Mountain scenery.
  • B. Wallkill Valley Railroad
    The Wallkill Valley Railroad was a historic rail line in New York’s Hudson Valley that played a key role in the region’s 19th- and early 20th-century transportation and industrial development.
  • C. Grapevine Vintage Railroad
    Grapevine Vintage Railroad is a historic excursion railway in Grapevine, Texas, offering scenic rides on vintage trains and locomotives for tourists and rail enthusiasts.
  • D. Durbin and Greenbrier Valley Railroad
    The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
  • E. Western Maryland Scenic Railroad
    The Western Maryland Scenic Railroad is a heritage tourist railway in Maryland that operates vintage trains through the scenic Allegheny Mountains, preserving and showcasing regional rail history.
  • 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: Boone and Scenic Valley Railroad
Triple: [Boone, Iowa, United States, hasTransportation, Boone and Scenic Valley Railroad]
Generated description
The Boone and Scenic Valley Railroad is a heritage railway in Iowa that offers scenic excursion trains through the Des Moines River Valley, often using historic steam and diesel locomotives.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Boone and Scenic Valley Railroad
Target entity description: The Boone and Scenic Valley Railroad is a heritage railway in Iowa that offers scenic excursion trains through the Des Moines River Valley, often using historic steam and diesel locomotives.
  • A. Cumbres and Toltec Scenic Railroad
    The Cumbres and Toltec Scenic Railroad is a historic narrow-gauge heritage railway running between Colorado and New Mexico, renowned for its preserved steam locomotives and dramatic Rocky Mountain scenery.
  • B. Wallkill Valley Railroad
    The Wallkill Valley Railroad was a historic rail line in New York’s Hudson Valley that played a key role in the region’s 19th- and early 20th-century transportation and industrial development.
  • C. Grapevine Vintage Railroad
    Grapevine Vintage Railroad is a historic excursion railway in Grapevine, Texas, offering scenic rides on vintage trains and locomotives for tourists and rail enthusiasts.
  • D. Durbin and Greenbrier Valley Railroad
    The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
  • E. Western Maryland Scenic Railroad
    The Western Maryland Scenic Railroad is a heritage tourist railway in Maryland that operates vintage trains through the scenic Allegheny Mountains, preserving and showcasing regional rail history.
  • 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_69bd4643f16081908d7f29e08096115a completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd92033dd08190a90bcae6b9f149d3 completed March 20, 2026, 6:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf414ebd288190ae90593232ff2db9 completed March 22, 2026, 1:09 a.m.
NEDg Description generation batch_69bf41dd96448190973b7241df5dbb24 completed March 22, 2026, 1:11 a.m.
NED2 Entity disambiguation (via description) batch_69bf42badcf08190b451b148d08e996e completed March 22, 2026, 1:15 a.m.
Created at: March 20, 2026, 2:08 p.m.