Triple
T9737158
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brewster station |
E236091
|
entity |
| Predicate | partOfSystem |
P840
|
FINISHED |
| Object | Metro-North Railroad commuter rail network |
E26106
|
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: Metro-North Railroad commuter rail network | Statement: [Brewster station, partOfSystem, Metro-North Railroad commuter rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro-North Railroad commuter rail network Context triple: [Brewster station, partOfSystem, Metro-North Railroad commuter rail network]
-
A.
Metro-North Railroad
chosen
Metro-North Railroad is a major commuter rail service operating in the New York metropolitan area, primarily connecting New York City with its northern suburbs in New York State and Connecticut.
-
B.
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.
-
C.
New York City metropolitan area commuter rail network
The New York City metropolitan area commuter rail network is an extensive system of regional passenger rail lines that connect New York City with its surrounding suburbs across multiple states, primarily operated by agencies such as the Long Island Rail Road, Metro-North Railroad, and NJ Transit.
-
D.
New Jersey Transit commuter rail network
The New Jersey Transit commuter rail network is a statewide system of passenger rail lines that connects major cities and suburbs across New Jersey with New York City and Philadelphia.
-
E.
Metro-North Railroad Port Jervis Line
The Metro-North Railroad Port Jervis Line is a commuter rail line in the New York metropolitan area that provides long-distance service between Port Jervis and Hoboken, New Jersey, with connections to New York City.
- 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_69ca84d313e88190983ee6ffd0ef60d2 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9ef032088190acd94c35b89e48b7 |
completed | April 1, 2026, 10:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1eabcf3148190b25e4f816f4dcd13 |
completed | April 5, 2026, 4:53 a.m. |
Created at: March 30, 2026, 8:22 p.m.