Triple

T2892720
Position Surface form Disambiguated ID Type / Status
Subject Western Maryland Railway E63864 entity
Predicate predecessor P97 FINISHED
Object Baltimore, Carroll and Frederick Railroad
The Baltimore, Carroll and Frederick Railroad was an early regional rail line in Maryland that later became part of the Western Maryland Railway system.
E63864 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: Baltimore, Carroll and Frederick Railroad | Statement: [Western Maryland Railway, predecessor, Baltimore, Carroll and Frederick Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Baltimore, Carroll and Frederick Railroad
Context triple: [Western Maryland Railway, predecessor, Baltimore, Carroll and Frederick Railroad]
  • A. Baltimore and Susquehanna Railroad
    The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming part of the Northern Central Railway system.
  • B. Philadelphia, Wilmington and Baltimore Railroad
    The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
  • C. Western Maryland Railway
    Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
  • D. Baltimore and Ohio Railroad
    The Baltimore and Ohio Railroad was one of the earliest and most influential American railroads, playing a key role in the development of U.S. transportation and commerce in the 19th and early 20th centuries.
  • E. Richmond, Fredericksburg and Potomac Railroad
    The Richmond, Fredericksburg and Potomac Railroad was a historic rail line in Virginia that served as a key north–south transportation corridor linking Washington, D.C. with Richmond and points south.
  • 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: Baltimore, Carroll and Frederick Railroad
Triple: [Western Maryland Railway, predecessor, Baltimore, Carroll and Frederick Railroad]
Generated description
The Baltimore, Carroll and Frederick Railroad was an early regional rail line in Maryland that later became part of the Western Maryland Railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Baltimore, Carroll and Frederick Railroad
Target entity description: The Baltimore, Carroll and Frederick Railroad was an early regional rail line in Maryland that later became part of the Western Maryland Railway system.
  • A. Baltimore and Susquehanna Railroad
    The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming part of the Northern Central Railway system.
  • B. Philadelphia, Wilmington and Baltimore Railroad
    The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
  • C. Western Maryland Railway chosen
    Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
  • D. Baltimore and Ohio Railroad
    The Baltimore and Ohio Railroad was one of the earliest and most influential American railroads, playing a key role in the development of U.S. transportation and commerce in the 19th and early 20th centuries.
  • E. Richmond, Fredericksburg and Potomac Railroad
    The Richmond, Fredericksburg and Potomac Railroad was a historic rail line in Virginia that served as a key north–south transportation corridor linking Washington, D.C. with Richmond and points south.
  • F. None of above.

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_69ab4c45822c8190830c5f2bb97bcfd0 completed March 6, 2026, 9:51 p.m.
NER Named-entity recognition batch_69abe062234c81909411e34db7d2683d completed March 7, 2026, 8:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69b108cc4870819081e68032517468a8 completed March 11, 2026, 6:16 a.m.
NEDg Description generation batch_69b10b5c37ac81908ffc9ce949c86ec7 completed March 11, 2026, 6:27 a.m.
NED2 Entity disambiguation (via description) batch_69b10bdb450081909be83175a043043b completed March 11, 2026, 6:29 a.m.
Created at: March 6, 2026, 10:07 p.m.