Triple

T1245894
Position Surface form Disambiguated ID Type / Status
Subject Baltimore and Ohio Railroad E26763 entity
Predicate builtInfrastructure P14101 FINISHED
Object B&O Railroad Museum complex in Baltimore (original shops and facilities)
The B&O Railroad Museum complex in Baltimore is a historic rail facility featuring original 19th-century shops, roundhouse, and infrastructure that showcase the early development of American railroading.
E142155 NE FINISHED

How this triple was built (5 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: B&O Railroad Museum complex in Baltimore (original shops and facilities) | Statement: [Baltimore and Ohio Railroad, builtInfrastructure, B&O Railroad Museum complex in Baltimore (original shops and facilities)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: B&O Railroad Museum complex in Baltimore (original shops and facilities)
Context triple: [Baltimore and Ohio Railroad, builtInfrastructure, B&O Railroad Museum complex in Baltimore (original shops and facilities)]
  • A. Baltimore and Ohio Railroad Martinsburg Shops
    The Baltimore and Ohio Railroad Martinsburg Shops are a historic 19th-century railroad complex in Martinsburg, West Virginia, significant for its role in early American railroading and the Civil War.
  • B. Railroad Museum of Pennsylvania, Strasburg, Pennsylvania
    The Railroad Museum of Pennsylvania in Strasburg is a major rail heritage institution showcasing an extensive collection of historic locomotives, rolling stock, and railroad artifacts from the state's rich railroading history.
  • C. Chesapeake Beach Railway Museum
    The Chesapeake Beach Railway Museum is a local history museum in Chesapeake Beach, Maryland, dedicated to preserving and interpreting the story of the historic Chesapeake Beach Railway and the resort town that grew around it.
  • D. Museum of the American Railroad
    The Museum of the American Railroad is a heritage museum in Frisco, Texas, dedicated to preserving and showcasing historic locomotives, railcars, and the history of railroading in the United States.
  • E. Chatham Railroad Museum
    The Chatham Railroad Museum is a local history museum in Chatham, Massachusetts, dedicated to preserving and interpreting the town’s railroad heritage through exhibits, artifacts, and educational displays.
  • 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: B&O Railroad Museum complex in Baltimore (original shops and facilities)
Triple: [Baltimore and Ohio Railroad, builtInfrastructure, B&O Railroad Museum complex in Baltimore (original shops and facilities)]
Generated description
The B&O Railroad Museum complex in Baltimore is a historic rail facility featuring original 19th-century shops, roundhouse, and infrastructure that showcase the early development of American railroading.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: B&O Railroad Museum complex in Baltimore (original shops and facilities)
Target entity description: The B&O Railroad Museum complex in Baltimore is a historic rail facility featuring original 19th-century shops, roundhouse, and infrastructure that showcase the early development of American railroading.
  • A. Baltimore and Ohio Railroad Martinsburg Shops
    The Baltimore and Ohio Railroad Martinsburg Shops are a historic 19th-century railroad complex in Martinsburg, West Virginia, significant for its role in early American railroading and the Civil War.
  • B. Railroad Museum of Pennsylvania, Strasburg, Pennsylvania
    The Railroad Museum of Pennsylvania in Strasburg is a major rail heritage institution showcasing an extensive collection of historic locomotives, rolling stock, and railroad artifacts from the state's rich railroading history.
  • C. Chesapeake Beach Railway Museum
    The Chesapeake Beach Railway Museum is a local history museum in Chesapeake Beach, Maryland, dedicated to preserving and interpreting the story of the historic Chesapeake Beach Railway and the resort town that grew around it.
  • D. Museum of the American Railroad
    The Museum of the American Railroad is a heritage museum in Frisco, Texas, dedicated to preserving and showcasing historic locomotives, railcars, and the history of railroading in the United States.
  • E. Chatham Railroad Museum
    The Chatham Railroad Museum is a local history museum in Chatham, Massachusetts, dedicated to preserving and interpreting the town’s railroad heritage through exhibits, artifacts, and educational displays.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: builtInfrastructure
Context triple: [Baltimore and Ohio Railroad, builtInfrastructure, B&O Railroad Museum complex in Baltimore (original shops and facilities)]
  • A. builtNear
    Indicates that one entity was constructed at a location geographically close to another entity.
  • B. placeBuilt chosen
    Indicates that a structure or facility was constructed at a specific location.
  • C. constructionCompleted
    Indicates that a construction process or project has been fully finished and reached its completed state.
  • D. isPartOfInfrastructure
    Indicates that something belongs to, is included within, or functions as a component of a larger infrastructure system.
  • E. significantInfrastructure
    Indicates that an entity constitutes an important or critical piece of infrastructure within a system, network, or region.
  • F. None of above.

Provenance (6 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_69a4948689d08190b3a4a3f388c02148 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4bf65c41c8190b4c65e015d1264c0 completed March 1, 2026, 10:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac8f7da5c48190b013f1578c160d78 completed March 7, 2026, 8:50 p.m.
NEDg Description generation batch_69ac8ff7ae0c81908ca8ace1f4159383 completed March 7, 2026, 8:52 p.m.
NED2 Entity disambiguation (via description) batch_69ac905ce0c48190a8465988161f19ed completed March 7, 2026, 8:53 p.m.
PD Predicate disambiguation batch_69a4bb696a38819095845c84f0241287 completed March 1, 2026, 10:19 p.m.
Created at: March 1, 2026, 7:47 p.m.