Triple

T3294888
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Lake Shore Limited E69189 entity
Predicate operatesOver P3695 FINISHED
Object former New York Central Railroad main line E123486 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: former New York Central Railroad main line | Statement: [Amtrak Lake Shore Limited, operatesOver, former New York Central Railroad main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: former New York Central Railroad main line
Context triple: [Amtrak Lake Shore Limited, operatesOver, former New York Central Railroad main line]
  • A. New York Central Railroad main line chosen
    The New York Central Railroad main line, famously known as the Water Level Route, was a major U.S. rail corridor connecting the Midwest to the East Coast along relatively flat terrain that followed river valleys and the Great Lakes.
  • B. New York State rail system
    The New York State rail system is the statewide passenger and freight rail network that connects major cities and regions across New York, integrating services like the Empire Corridor with national and regional rail operators.
  • C. Burlington Northern Santa Fe Railway main line
    The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, California.
  • D. Trans-Hudson rail network
    The Trans-Hudson rail network is a rapid transit system that connects New Jersey with Manhattan via tunnels under the Hudson River, primarily serving commuters traveling between the two states.
  • E. Long Island Rail Road Main Line
    The Long Island Rail Road Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a major commuter and intercity route.
  • 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_69ad859d45748190b0742408c954b39f completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb07661748190bf57469e101c5283 completed March 8, 2026, 5:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69b2e86b8e04819091f4a4ae6d6a87ad completed March 12, 2026, 4:23 p.m.
Created at: March 8, 2026, 3:10 p.m.