Triple

T18035447
Position Surface form Disambiguated ID Type / Status
Subject Cape Charles, Virginia E431496 entity
Predicate developedBy P73 FINISHED
Object 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.
E1305290 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: New York, Philadelphia and Norfolk Railroad | Statement: [Cape Charles, Virginia, developedBy, New York, Philadelphia and Norfolk Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New York, Philadelphia and Norfolk Railroad
Context triple: [Cape Charles, Virginia, developedBy, New York, Philadelphia and Norfolk Railroad]
  • A. 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.
  • B. Southern Railroad of New Jersey
    The Southern Railroad of New Jersey is a shortline freight railroad that operates and maintains portions of the South Jersey rail network.
  • C. Camden and Atlantic Railroad
    The Camden and Atlantic Railroad was a 19th-century rail line in southern New Jersey that played a key role in connecting Camden to the Atlantic coast and fostering regional development.
  • D. 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.
  • E. New York, Providence and Boston Railroad
    The New York, Providence and Boston Railroad was a 19th-century rail line in southern New England that connected New York City with Providence and Boston as part of the region’s early intercity rail network.
  • 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: New York, Philadelphia and Norfolk Railroad
Triple: [Cape Charles, Virginia, developedBy, New York, Philadelphia and Norfolk Railroad]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: New York, Philadelphia and Norfolk Railroad
Target entity description: 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.
  • A. 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.
  • B. Southern Railroad of New Jersey
    The Southern Railroad of New Jersey is a shortline freight railroad that operates and maintains portions of the South Jersey rail network.
  • C. Camden and Atlantic Railroad
    The Camden and Atlantic Railroad was a 19th-century rail line in southern New Jersey that played a key role in connecting Camden to the Atlantic coast and fostering regional development.
  • D. 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.
  • E. New York, Providence and Boston Railroad
    The New York, Providence and Boston Railroad was a 19th-century rail line in southern New England that connected New York City with Providence and Boston as part of the region’s early intercity rail network.
  • 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_69d8b9050fb48190890155145deb0a66 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4be39a7348190a75735fe56c78fc3 completed April 19, 2026, 11:36 a.m.
NED1 Entity disambiguation (via context triple) batch_6a035d82189c81908c98a9875a231ebe completed May 12, 2026, 5:04 p.m.
NEDg Description generation batch_6a03624176148190afd1391cc0b560ae completed May 12, 2026, 5:24 p.m.
NED2 Entity disambiguation (via description) batch_6a036282644481908ddfd822c36ed133 completed May 12, 2026, 5:25 p.m.
Created at: April 10, 2026, 10:25 a.m.