Triple

T1127682
Position Surface form Disambiguated ID Type / Status
Subject Mid-Atlantic states E24756 entity
Predicate hasTransportationCorridor P3034 FINISHED
Object Northeast Corridor rail line E2775 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Northeast Corridor rail line | Statement: [Mid-Atlantic states, hasTransportationCorridor, Northeast Corridor rail line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northeast Corridor rail line
Context triple: [Mid-Atlantic states, hasTransportationCorridor, Northeast Corridor rail line]
  • A. 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.
  • B. Amtrak Empire Corridor
    The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
  • C. Mattapan High-Speed Line
    The Mattapan High-Speed Line is a light rail transit line in Boston, Massachusetts, operating historic trolley cars between Ashmont and Mattapan stations as part of the MBTA system.
  • D. Boston–Portland main line
    The Boston–Portland main line is a historic New England railroad corridor connecting Boston, Massachusetts, with Portland, Maine, that has long served as a key passenger and freight route along the region’s coast.
  • E. Connecticut River Line
    The Connecticut River Line is a historic railroad corridor running along the Connecticut River in New England, long used for passenger and freight service connecting communities in Massachusetts, Vermont, and New Hampshire.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a4940712c88190aa244f3fc6070a65 completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bbdd39b88190bf46de38818fe2df completed March 1, 2026, 10:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac667127008190b2aa1f3aafc87340 completed March 7, 2026, 5:54 p.m.
Created at: March 1, 2026, 7:44 p.m.