Triple

T7378288
Position Surface form Disambiguated ID Type / Status
Subject Long Island Rail Road Port Washington Branch E170180 entity
Predicate usesRollingStock P5426 FINISHED
Object M9 electric multiple units E20615 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: M9 electric multiple units | Statement: [Long Island Rail Road Port Washington Branch, usesRollingStock, M9 electric multiple units]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: M9 electric multiple units
Context triple: [Long Island Rail Road Port Washington Branch, usesRollingStock, M9 electric multiple units]
  • A. M9 electric multiple unit chosen
    The M9 electric multiple unit is a modern commuter rail train used by the Long Island Rail Road, designed to replace older fleets with improved performance, safety, and passenger amenities.
  • B. M8 electric multiple unit
    The M8 electric multiple unit is a modern commuter rail train used by Metro-North Railroad, featuring stainless-steel cars with AC propulsion and designed for operation on both overhead catenary and third-rail power systems.
  • C. M7 electric multiple unit
    The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
  • D. M3 electric multiple unit
    The M3 electric multiple unit is a class of electric commuter rail cars used by the Long Island Rail Road for high-capacity passenger service in the New York metropolitan area.
  • E. Voyager diesel-electric multiple units
    The Voyager diesel-electric multiple units are high-speed intercity trains used on long-distance routes across the UK rail network.
  • 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_69c68a5d0ed08190b6d361e68f813330 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f1aa12888190b81e37b9fcd2adc0 completed March 27, 2026, 9:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69c810e3c2bc8190a455dac60dfdbc97 completed March 28, 2026, 5:33 p.m.
Created at: March 27, 2026, 3:08 p.m.