Triple
T9607587
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro-North Railroad New Canaan Branch |
E232010
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | New Canaan station |
E589068
|
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: New Canaan station | Statement: [Metro-North Railroad New Canaan Branch, terminus, New Canaan station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Canaan station Context triple: [Metro-North Railroad New Canaan Branch, terminus, New Canaan station]
-
A.
New Canaan station
chosen
New Canaan station is a commuter rail station in New Canaan, Connecticut, serving as the northern endpoint of Metro-North Railroad service on the New Canaan Branch.
-
B.
Ansonia station
Ansonia station is a commuter rail stop in Ansonia, Connecticut, served by the Waterbury Branch of the Metro-North Railroad New Haven Line.
-
C.
Naugatuck station
Naugatuck station is a commuter rail stop in Naugatuck, Connecticut, served by Metro-North Railroad trains on the Waterbury Branch.
-
D.
Beacon Falls station
Beacon Falls station is a small commuter rail stop in Beacon Falls, Connecticut, served by Metro-North Railroad’s Waterbury Branch.
-
E.
Mattituck station
Mattituck station is a Long Island Rail Road stop in Mattituck, New York, serving passengers traveling along eastern Long Island.
- 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_69ca8485a90c819094fe40b42fde9d70 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd9a62372881908bf21be91e7285fb |
completed | April 1, 2026, 10:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d17942504481908e7147a0f56bdf96 |
completed | April 4, 2026, 8:49 p.m. |
Created at: March 30, 2026, 8:08 p.m.