Triple

T159629
Position Surface form Disambiguated ID Type / Status
Subject Baltimore Light RailLink E3252 entity
Predicate connectsTo P845 FINISHED
Object Amtrak at Baltimore Penn Station (via nearby connections) E6568 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 at Baltimore Penn Station (via nearby connections) | Statement: [Baltimore Light RailLink, connectsTo, Amtrak at Baltimore Penn Station (via nearby connections)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak at Baltimore Penn Station (via nearby connections)
Context triple: [Baltimore Light RailLink, connectsTo, Amtrak at Baltimore Penn Station (via nearby connections)]
  • A. Pennsylvania Station (Baltimore) chosen
    Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
  • B. Princeton Station
    Princeton Station is a small commuter rail station in Princeton, New Jersey, serving as the terminus of the short "Dinky" shuttle line that connects the town and Princeton University to the Northeast Corridor.
  • C. MBTA Green Line D branch (nearby stations)
    The MBTA Green Line D branch is a light rail line in Greater Boston that runs between downtown Boston and several western suburbs, including Newton, providing frequent local transit service.
  • D. Ayer station
    Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
  • E. New Brunswick station
    New Brunswick station is a major New Jersey Transit and Amtrak rail station on the Northeast Corridor line serving the city of New Brunswick, New Jersey.
  • 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_69a2527757ec819090b8becb2cf1a862 completed Feb. 28, 2026, 2:27 a.m.
NER Named-entity recognition batch_69a25855baf48190a1b63f2e5865d957 completed Feb. 28, 2026, 2:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2d0c797d08190b737cfac052ec3de completed Feb. 28, 2026, 11:25 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.