Triple

T9810772
Position Surface form Disambiguated ID Type / Status
Subject New Haven Line at Grand Central Terminal E238263 entity
Predicate connectsTo P845 FINISHED
Object Harlem Line at Grand Central Terminal E46626 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: Harlem Line at Grand Central Terminal | Statement: [New Haven Line at Grand Central Terminal, connectsTo, Harlem Line at Grand Central Terminal]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harlem Line at Grand Central Terminal
Context triple: [New Haven Line at Grand Central Terminal, connectsTo, Harlem Line at Grand Central Terminal]
  • A. Hudson Line at Grand Central Terminal
    The Hudson Line at Grand Central Terminal is a major Metro-North Railroad commuter rail line serving communities along the Hudson River and terminating at New York City's Grand Central Terminal.
  • B. Harlem Line of the Metro-North Railroad chosen
    The Harlem Line of the Metro-North Railroad is a commuter rail line running from New York City north through Westchester, Putnam, and Dutchess counties, providing key suburban and exurban service into Manhattan.
  • C. New Haven Line at Grand Central Terminal
    The New Haven Line at Grand Central Terminal is a major Metro-North Railroad commuter rail service that originates at Manhattan’s Grand Central Terminal and runs northeast through suburban New York and into Connecticut.
  • D. BMT Broadway Line at Union Square–14th Street
    The BMT Broadway Line at Union Square–14th Street is a major New York City Subway station complex in Manhattan that serves Broadway Line trains and provides extensive transfers to multiple other lines.
  • E. New York City Subway G line
    The New York City Subway G line is a crosstown service in Brooklyn and Queens that runs between Court Square in Long Island City and Church Avenue in Brooklyn without entering Manhattan.
  • 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_69ca84defac48190abc1148804f184c1 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cdb2214a7c8190b516acf64e2b85db completed April 2, 2026, 12:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1cc5f768c8190987aaa7164f42444 completed April 5, 2026, 2:43 a.m.
Created at: March 30, 2026, 8:30 p.m.