Triple

T21396268
Position Surface form Disambiguated ID Type / Status
Subject Townsend, Delaware E527790 entity
Predicate railLineNearby P25143 FINISHED
Object Delmarva Central Railroad NE NERFINISHED

How this triple was built (3 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: Delmarva Central Railroad | Statement: [Townsend, Delaware, railLineNearby, Delmarva Central Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Delmarva Central Railroad
Context triple: [Townsend, Delaware, railLineNearby, Delmarva Central Railroad]
  • A. Chesapeake Beach Railway
    The Chesapeake Beach Railway was a historic early 20th-century rail line that carried passengers from Washington, D.C., to the resort town of Chesapeake Beach, Maryland, promoting seaside tourism along the Western Shore of the Chesapeake Bay.
  • 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. 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.
  • D. Wilmington and Western Railroad
    The Wilmington and Western Railroad is a historic heritage railway in northern Delaware that operates scenic tourist excursions through the Red Clay Creek valley.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Delmarva Central Railroad
Target entity description: Delmarva Central Railroad is a regional freight railroad operating on the Delmarva Peninsula, serving industries in Delaware, Maryland, and Virginia.
  • A. Chesapeake Beach Railway
    The Chesapeake Beach Railway was a historic early 20th-century rail line that carried passengers from Washington, D.C., to the resort town of Chesapeake Beach, Maryland, promoting seaside tourism along the Western Shore of the Chesapeake Bay.
  • 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. 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.
  • D. Wilmington and Western Railroad
    The Wilmington and Western Railroad is a historic heritage railway in northern Delaware that operates scenic tourist excursions through the Red Clay Creek valley.
  • E. 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.
  • F. None of above. chosen

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_69e0b51ff3748190935c0a513c62a12b completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8b11981388190874b8466400b39fe completed April 22, 2026, 11:29 a.m.
Created at: April 16, 2026, 5:13 p.m.