Triple
T21936263
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Waterbury station |
E541695
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Metro-North Railroad New Haven Line |
—
|
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: Metro-North Railroad New Haven Line | Statement: [Waterbury station, partOf, Metro-North Railroad New Haven Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro-North Railroad New Haven Line Context triple: [Waterbury station, partOf, Metro-North Railroad New Haven Line]
-
A.
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.
-
B.
Metro-North Railroad New Canaan Branch
The Metro-North Railroad New Canaan Branch is a commuter rail line in southwestern Connecticut that provides service between New Canaan and the New Haven Line main route into the New York City metropolitan area.
-
C.
New Haven Line
chosen
The New Haven Line is a major commuter rail route in the northeastern United States that connects New York City with New Haven, Connecticut, serving numerous communities along the Long Island Sound corridor.
-
D.
Metro-North Railroad Waterbury Branch
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.
-
E.
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.
- 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_69e0c47e2e5c81909a7f74ce3de50911 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f1241c909c81908644eb73baa9def1 |
completed | April 28, 2026, 9:18 p.m. |
Created at: April 16, 2026, 7:54 p.m.