Triple
T22349935
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Naugatuck station |
E552500
|
entity |
| Predicate | servedByStyle |
P1293
|
FINISHED |
| Object | Metro-North Railroad Waterbury Branch service |
—
|
NE NERFINISHED |
How this triple was built (3 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 Waterbury Branch service | Statement: [Naugatuck station, servedByStyle, Metro-North Railroad Waterbury Branch service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro-North Railroad Waterbury Branch service Context triple: [Naugatuck station, servedByStyle, Metro-North Railroad Waterbury Branch service]
-
A.
Metro-North Railroad Waterbury Branch
chosen
The Metro-North Railroad Waterbury Branch is a commuter rail line in Connecticut that provides service between Waterbury and the New Haven Line, connecting the Naugatuck Valley to the broader Metro-North network.
-
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.
Metro-North Railroad
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.
-
D.
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.
-
E.
Metro-North Railroad New Haven Division
The Metro-North Railroad New Haven Division is a major commuter rail division of the Metro-North system that operates service along the New Haven Line and its branches between New York and Connecticut.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servedByStyle Context triple: [Naugatuck station, servedByStyle, Metro-North Railroad Waterbury Branch service]
-
A.
servingStyle
Indicates how something (typically food or drink) is presented or offered for consumption or use.
-
B.
servedByService
Indicates that something is provided, handled, or fulfilled by a particular service.
-
C.
servedByLine
chosen
Indicates that a transportation stop, station, or location is provided service by a specific transit line.
-
D.
servesMode
Indicates that one entity provides or operates in a particular manner, method, or mode in relation to another entity or context.
-
E.
governsInStyle
Indicates that a governing entity exercises authority or leadership in a distinctive, notable, or characteristic manner.
- F. None of above.
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_69e11e4a0ad08190a385b4d343cf6524 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f1579ad6708190ba4af97a02d0758d |
completed | April 29, 2026, 12:58 a.m. |
| PD | Predicate disambiguation | batch_69e7300c20088190a59e5bf9e70384f3 |
completed | April 21, 2026, 8:06 a.m. |
Created at: April 16, 2026, 8:43 p.m.