Triple
T19005105
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 86th Street (Second Avenue Line) |
E465058
|
entity |
| Predicate | openingEvent |
P527
|
FINISHED |
| Object | Phase 1 of the Second Avenue Subway |
—
|
NE NERFINISHED |
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: Phase 1 of the Second Avenue Subway | Statement: [86th Street (Second Avenue Line), openingEvent, Phase 1 of the Second Avenue Subway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Phase 1 of the Second Avenue Subway Context triple: [86th Street (Second Avenue Line), openingEvent, Phase 1 of the Second Avenue Subway]
-
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.
New York City Subway at Vernon Boulevard–Jackson Avenue
The New York City Subway at Vernon Boulevard–Jackson Avenue is a Queens station on the 7 line serving the Long Island City area near the East River waterfront.
-
D.
New York City Subway at Fifth Avenue–59th Street
The New York City Subway station at Fifth Avenue–59th Street is a major underground transit hub in Midtown Manhattan that serves the southeastern edge of Central Park and the surrounding shopping and business district.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8dd01a56c81909694a128c66b21d7 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d6a494688190a277b2cddf300235 |
completed | April 20, 2026, 7:32 a.m. |
Created at: April 10, 2026, 12:01 p.m.