Triple

T5028782
Position Surface form Disambiguated ID Type / Status
Subject West Jersey and Seashore Railroad E113242 entity
Predicate successor P78 FINISHED
Object Pennsylvania‑Reading Seashore Lines E2990 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Pennsylvania‑Reading Seashore Lines | Statement: [West Jersey and Seashore Railroad, successor, Pennsylvania‑Reading Seashore Lines]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pennsylvania‑Reading Seashore Lines
Context triple: [West Jersey and Seashore Railroad, successor, Pennsylvania‑Reading Seashore Lines]
  • A. Pennsylvania-Reading Seashore Lines (partial interest) chosen
    Pennsylvania-Reading Seashore Lines was a regional railroad that provided passenger and freight service to South Jersey and coastal resort destinations, jointly controlled by major northeastern railroads.
  • B. Philadelphia and Western Railroad
    The Philadelphia and Western Railroad was an early 20th-century interurban railway in the Philadelphia region that later evolved into what is now known as the Norristown High Speed Line.
  • C. Lehigh Valley Railroad
    Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
  • D. Philadelphia and Reading Railroad
    The Philadelphia and Reading Railroad was a major 19th- and early 20th-century American railroad and coal-transporting line centered in Pennsylvania, later known as part of the Reading Company system.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69bd443775e48190a646ffbfc4334723 elicitation completed
NER batch_69bd738f2cc88190a03eebf19e407411 ner completed
NED1 batch_69be9c6859a88190bbf5688812f2eb91 ned_source_triple completed
Created at: March 20, 2026, 1:36 p.m.