Triple
T17506846
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro-North Railroad Waterbury Branch |
E426341
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Waterbury station |
—
|
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: Waterbury station | Statement: [Metro-North Railroad Waterbury Branch, terminus, Waterbury station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waterbury station Context triple: [Metro-North Railroad Waterbury Branch, terminus, Waterbury station]
-
A.
Waterbury station
chosen
Waterbury station is a Metro-North Railroad commuter rail station in Waterbury, Connecticut, serving as the primary rail hub for the city.
-
B.
Waterbury–Stowe Amtrak station
Waterbury–Stowe Amtrak station is a historic passenger rail station in Waterbury, Vermont, serving as a key stop for travelers to the nearby Stowe resort area and the surrounding region.
-
C.
Meriden station
Meriden station is a passenger rail station in Meriden, Connecticut, serving CTrail Hartford Line and Amtrak trains along the New Haven–Springfield corridor.
-
D.
Danbury station
Danbury station is a Metro-North Railroad commuter rail station in Danbury, Connecticut, serving as the northern endpoint of the Danbury Branch line.
-
E.
Naugatuck station
Naugatuck station is a commuter rail stop in Naugatuck, Connecticut, served by Metro-North Railroad trains on the Waterbury Branch.
- 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_69d889dd9164819087b1dc3c9240c870 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e45258b73c81909db581d4f1d27921 |
completed | April 19, 2026, 3:56 a.m. |
Created at: April 10, 2026, 5:48 a.m.