Triple
T164817
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Long Island Rail Road |
E2989
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | MTA Long Island Rail Road |
E3072
|
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: MTA Long Island Rail Road | Statement: [Long Island Rail Road, partOf, MTA Long Island Rail Road]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MTA Long Island Rail Road Context triple: [Long Island Rail Road, partOf, MTA Long Island Rail Road]
-
A.
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.
-
B.
Long Island Rail Road Atlantic Branch
The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
-
C.
Metro-North Railroad Hudson Line
The Metro-North Railroad Hudson Line is a major commuter rail route running along the east bank of the Hudson River, connecting New York City with communities throughout the Hudson Valley.
-
D.
Long Island Rail Road Port Jefferson Branch
The Long Island Rail Road Port Jefferson Branch is a commuter rail line on Long Island that runs between western terminals in New York City and the village of Port Jefferson, serving numerous communities along the island’s north shore.
-
E.
Metropolitan Transportation Authority
chosen
The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
- 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_69a2524ce1e48190ab066bf72859f474 |
completed | Feb. 28, 2026, 2:26 a.m. |
| NER | Named-entity recognition | batch_69a258827da481909b20ea5e9d21676f |
completed | Feb. 28, 2026, 2:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a305e3686c8190a6124673b83187d9 |
completed | Feb. 28, 2026, 3:12 p.m. |
Created at: Feb. 28, 2026, 2:34 a.m.