Triple

T10983857
Position Surface form Disambiguated ID Type / Status
Subject Second Avenue Line E259575 entity
Predicate hasPart P35 FINISHED
Object Second Avenue Subway Phase 2 E51029 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: Second Avenue Subway Phase 2 | Statement: [Second Avenue Line, hasPart, Second Avenue Subway Phase 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Second Avenue Subway Phase 2
Context triple: [Second Avenue Line, hasPart, Second Avenue Subway Phase 2]
  • A. Second Avenue Subway chosen
    The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
  • B. Chrystie Street subway project
    The Chrystie Street subway project was a major mid-20th-century New York City transit initiative that reconfigured and connected subway lines in Lower Manhattan to improve capacity and flexibility in the system.
  • C. IRT Nostrand Avenue Line extension
    The IRT Nostrand Avenue Line extension was a New York City Subway expansion project that extended service deeper into Brooklyn along Nostrand Avenue beyond its original terminus.
  • D. New York City Subway 2 line
    The New York City Subway 2 line is a rapid transit service that runs as a numbered, typically red-colored route providing express and local service through the Bronx, Manhattan, and Brooklyn.
  • E. East Side Access
    East Side Access is a major New York City rail infrastructure project that brings Long Island Rail Road service into a new terminal beneath Grand Central Terminal in 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_69d6aa895f4c8190887a15460ef622f4 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d772ec55fc81909b2b15f2493dddc6 completed April 9, 2026, 9:35 a.m.
NED1 Entity disambiguation (via context triple) batch_69e374526d54819085a0fb0d62f7a581 completed April 18, 2026, 12:08 p.m.
Created at: April 8, 2026, 9:24 p.m.