Triple

T7779923
Position Surface form Disambiguated ID Type / Status
Subject SEPTA West Trenton Line E221485 entity
Predicate primaryRollingStock P1305 FINISHED
Object SEPTA Silverliner IV E94304 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: SEPTA Silverliner IV | Statement: [SEPTA West Trenton Line, primaryRollingStock, SEPTA Silverliner IV]

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: SEPTA Silverliner IV
Context triple: [SEPTA West Trenton Line, primaryRollingStock, SEPTA Silverliner IV]
  • A. SEPTA Silverliner IV chosen
    The SEPTA Silverliner IV is an electric multiple-unit commuter railcar used extensively across Philadelphia's regional rail network.
  • B. SEPTA Silverliner V
    The SEPTA Silverliner V is a modern electric multiple-unit railcar used by Philadelphia's regional rail system for commuter service.
  • C. SEPTA Silverliner II
    The SEPTA Silverliner II was an early generation of electric multiple-unit commuter railcars used in the Philadelphia region, known for introducing more modern stainless-steel equipment to the area's suburban rail service in the 1960s.
  • D. Bombardier Flexity Classic
    The Bombardier Flexity Classic is a family of low-floor, multi-section trams used in various cities worldwide, designed for reliable, accessible urban light rail service.
  • E. Bombardier Flexity Swift
    The Bombardier Flexity Swift is a family of modular, high-floor light rail and tram vehicles designed for rapid transit operations in urban and suburban networks worldwide.
  • 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.