Triple

T22124318
Position Surface form Disambiguated ID Type / Status
Subject Isaac Trimble E546752 entity
Predicate preWarEmployer P1910 FINISHED
Object Philadelphia, Wilmington and Baltimore Railroad — NE NERFINISHED

How this triple was built (2 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: Philadelphia, Wilmington and Baltimore Railroad | Statement: [Isaac Trimble, preWarEmployer, Philadelphia, Wilmington and Baltimore Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Philadelphia, Wilmington and Baltimore Railroad
Context triple: [Isaac Trimble, preWarEmployer, Philadelphia, Wilmington and Baltimore Railroad]
  • A. Philadelphia, Wilmington and Baltimore Railroad chosen
    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.
  • B. 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.
  • C. New York, Philadelphia and Norfolk Railroad
    The New York, Philadelphia and Norfolk Railroad was a late 19th-century rail line that connected the northeastern United States to the lower Delmarva Peninsula, fostering regional trade and coastal town development.
  • 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. Baltimore & Potomac Railroad
    The Baltimore & Potomac Railroad was a 19th-century rail line that connected Baltimore to Washington, D.C., later becoming part of the Pennsylvania Railroad system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e11e39bf348190b541bfa16a7b71e0 completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f1298016e081909d00015ca516d9fd completed April 28, 2026, 9:41 p.m.
Created at: April 16, 2026, 8:31 p.m.