Triple

T16534510
Position Surface form Disambiguated ID Type / Status
Subject CSX Railroad Bridge E401654 entity
Predicate partOf P40 FINISHED
Object East Coast rail corridor E2775 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: East Coast rail corridor | Statement: [CSX Railroad Bridge, partOf, East Coast rail corridor]

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: East Coast rail corridor
Context triple: [CSX Railroad Bridge, partOf, East Coast rail corridor]
  • A. Atlantic coastal corridor
    The Atlantic coastal corridor is a major north–south transportation and development belt along the eastern seaboard of the United States, linking many of its largest and oldest coastal cities.
  • B. East Coast Main Trunk
    The East Coast Main Trunk is a major New Zealand railway line that connects the Waikato region to the Bay of Plenty and eastern North Island centres.
  • C. Southeast Corridor
    The Southeast Corridor is a key passenger rail route in the southeastern United States served by Amtrak’s Carolinian train.
  • D. Northeast Corridor chosen
    The Northeast Corridor is the busiest passenger rail line in the United States, running primarily Amtrak and commuter trains along the urbanized spine of the East Coast between major cities such as Washington, D.C., Philadelphia, New York City, and Boston.
  • E. I-95 Northeast Corridor
    The I-95 Northeast Corridor is a heavily traveled stretch of Interstate 95 running through major cities in the northeastern United States, serving as a key artery for regional and long-distance traffic.
  • 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_69d88384bc30819084229e7dcdc39a41 elicitation completed
NER batch_69e32eda42548190be61efb25a44a554 ner completed
NED1 batch_6a006093244081909ae74674de966d6d ned_source_triple completed
Created at: April 10, 2026, 5:15 a.m.