Triple

T7779941
Position Surface form Disambiguated ID Type / Status
Subject SEPTA West Trenton Line E221485 entity
Predicate historicalPredecessor P97 FINISHED
Object Reading Company West Trenton Branch E168801 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: Reading Company West Trenton Branch | Statement: [SEPTA West Trenton Line, historicalPredecessor, Reading Company West Trenton Branch]

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: Reading Company West Trenton Branch
Context triple: [SEPTA West Trenton Line, historicalPredecessor, Reading Company West Trenton Branch]
  • A. Reading Company
    Reading Company was a major American railroad and coal company based in Pennsylvania, best known for operating the Philadelphia & Reading Railroad and influencing regional transportation and industry in the 19th and 20th centuries.
  • B. Starrett-Lehigh Building
    The Starrett-Lehigh Building is a massive, historic industrial and office complex in Manhattan known for its distinctive horizontal bands of windows and status as a prominent architectural landmark.
  • C. Reading Company commuter service chosen
    Reading Company commuter service was the network of suburban passenger rail operations once run by the Reading Company in the Philadelphia region before being succeeded by lines such as the West Trenton Line.
  • D. People’s Gas Light and Coke Company
    People’s Gas Light and Coke Company was a major Chicago-based utility company that supplied gas for lighting, heating, and cooking and played a significant role in the city’s industrial and urban development.
  • E. Johnson Building
    The Johnson Building is a modernist wing of the Boston Public Library’s Copley Square main branch, known for housing its contemporary collections and public services.
  • 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_69ca83ebbef881909ac47f789145fef7 elicitation completed
NER batch_69caa4d59bf881909a8b2d57748784b1 ner completed
NED1 batch_69caf5af0a6c819091f43ac7eda2065e ned_source_triple completed
Created at: March 30, 2026, 4:19 p.m.