Triple

T23393671
Position Surface form Disambiguated ID Type / Status
Subject Otisville station E594088 entity
Predicate formerOperator P179 FINISHED
Object Erie Railroad — NE NERFINISHED

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: Erie Railroad | Statement: [Otisville station, formerOperator, Erie Railroad]

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: Erie Railroad
Context triple: [Otisville station, formerOperator, Erie Railroad]
  • A. Erie Railroad chosen
    The Erie Railroad was a major 19th- and early 20th-century American railroad that operated extensive passenger and freight services across the northeastern United States, particularly linking New York City with the Midwest.
  • B. Erie Lackawanna Railway
    Erie Lackawanna Railway was a mid-20th-century U.S. railroad formed from the merger of the Erie Railroad and the Delaware, Lackawanna and Western Railroad, known for serving the Northeast and Midwest before its assets were absorbed into Conrail.
  • C. Pittsburgh and Lake Erie Railroad
    The Pittsburgh and Lake Erie Railroad was a regional U.S. railroad based in western Pennsylvania and eastern Ohio, known for its heavy involvement in transporting steel and industrial freight.
  • D. Delaware and Hudson Railway
    The Delaware and Hudson Railway was a historic railroad in the northeastern United States that evolved from early canal operations into a major regional freight and passenger carrier.
  • E. Pennsylvania Railroad Company
    The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e25d2754fc819085deea939bde60ab elicitation completed
NER batch_69f1a49eb3b881909da7f1c47c67c81f ner completed
Created at: April 17, 2026, 5:36 p.m.