Triple

T5702132
Position Surface form Disambiguated ID Type / Status
Subject United States Railway Association E125688 entity
Predicate appliesToJurisdiction P82 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: [United States Railway Association, appliesToJurisdiction, 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: [United States Railway Association, appliesToJurisdiction, 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, 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.
  • 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_69c0082c96988190b3a6a201edce472a elicitation completed
NER batch_69c0245581988190a819b8137533ed31 ner completed
NED1 batch_69c05a5fe4fc8190944a63a29da0fe3c ned_source_triple completed
Created at: March 22, 2026, 3:45 p.m.