Triple

T7511420
Position Surface form Disambiguated ID Type / Status
Subject Somerton E177528 entity
Predicate railLine P848 FINISHED
Object SEPTA West Trenton Line E221485 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 West Trenton Line | Statement: [Somerton, railLine, SEPTA West Trenton Line]

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 West Trenton Line
Context triple: [Somerton, railLine, SEPTA West Trenton Line]
  • A. SEPTA West Trenton Line chosen
    The SEPTA West Trenton Line is a commuter rail service in the Philadelphia region that connects Center City to West Trenton, New Jersey, as part of SEPTA’s Regional Rail network.
  • B. SEPTA Trenton Line
    The SEPTA Trenton Line is a commuter rail service in the Philadelphia region that connects Center City Philadelphia with Trenton, New Jersey as part of SEPTA's Regional Rail network.
  • C. SEPTA Cynwyd Line
    The SEPTA Cynwyd Line is a short commuter rail line in the Philadelphia area that runs between Center City and Cynwyd in Montgomery County.
  • D. SEPTA Wilmington/Newark Line
    The SEPTA Wilmington/Newark Line is a regional rail service connecting Philadelphia with Wilmington, Delaware and Newark, Delaware, providing commuter and intercity transit along the Northeast Corridor.
  • E. SEPTA Main Line
    The SEPTA Main Line is a key commuter rail corridor in the Philadelphia region, carrying multiple Regional Rail services through numerous suburban and urban stations.
  • 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_69c69f276b108190af2cc790b6554544 elicitation completed
NER batch_69c6f5d33960819089a10c1149abf4b2 ner completed
NED1 batch_69c8a204ffc0819096f632f225d290dd ned_source_triple completed
Created at: March 27, 2026, 3:45 p.m.