Triple

T8848757
Position Surface form Disambiguated ID Type / Status
Subject Hanover, Maryland E210578 entity
Predicate hasNearbyRailService P25143 FINISHED
Object Amtrak Northeast Corridor (via BWI Rail Station) E220792 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: Amtrak Northeast Corridor (via BWI Rail Station) | Statement: [Hanover, Maryland, hasNearbyRailService, Amtrak Northeast Corridor (via BWI Rail Station)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Amtrak Northeast Corridor (via BWI Rail Station)
Context triple: [Hanover, Maryland, hasNearbyRailService, Amtrak Northeast Corridor (via BWI Rail Station)]
  • A. Amtrak Northeast Corridor routes chosen
    Amtrak Northeast Corridor routes are the heavily traveled passenger rail lines connecting major cities from Boston through New York and Philadelphia to Washington, D.C., forming the busiest and most important rail corridor in the United States.
  • B. Amtrak Northeast Regional
    Amtrak Northeast Regional is a passenger rail service that provides frequent intercity connections between major cities in the northeastern United States, including Boston, New York, Philadelphia, and Washington, D.C.
  • C. Northeast Corridor Line (NJ Transit)
    The Northeast Corridor Line (NJ Transit) is a major commuter rail line in New Jersey that runs along Amtrak’s Northeast Corridor, connecting Trenton and New York City with numerous intermediate stops.
  • D. Amtrak Downeaster (at North Station)
    The Amtrak Downeaster (at North Station) is an intercity passenger rail service that operates between Boston’s North Station and Brunswick, Maine, providing regional connections through New Hampshire and coastal Maine.
  • E. 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.
  • 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_69ca838a424c8190b1ecac115c2927e7 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc60aa6db0819097c3257499200afc completed April 1, 2026, 12:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69cf89c6788881908d6f5c49434b556d completed April 3, 2026, 9:35 a.m.
Created at: March 30, 2026, 6:49 p.m.