Triple
T10297141
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fordham station |
E241520
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | Waterbury Branch (via New Haven Line trains) |
E426341
|
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: Waterbury Branch (via New Haven Line trains) | Statement: [Fordham station, servedByLine, Waterbury Branch (via New Haven Line trains)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waterbury Branch (via New Haven Line trains) Context triple: [Fordham station, servedByLine, Waterbury Branch (via New Haven Line trains)]
-
A.
New Haven–Springfield Line
The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
-
B.
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.
-
C.
Danbury Branch (Metro-North Railroad)
Danbury Branch (Metro-North Railroad) is a commuter rail line in southwestern Connecticut that connects the city of Danbury with the New Haven Line, providing passenger service to New York City and other regional destinations.
-
D.
Northeast Corridor at New Haven
The Northeast Corridor at New Haven is a major junction on the busy Boston–Washington rail corridor where intercity and regional trains connect with inland routes such as the New Haven–Springfield Line.
-
E.
Milford station (select trains via New Haven Line connection)
Milford station (select trains via New Haven Line connection) is a commuter rail stop in Milford, Connecticut, served primarily by Metro-North’s New Haven Line with limited Waterbury Branch connectivity.
- 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_69d381aaafc08190af475ef58dc16aba |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4d2ebd258819099fadddcd13099fc |
completed | April 7, 2026, 9:48 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d75018383481909abbba8247a93f8e |
completed | April 9, 2026, 7:07 a.m. |
Created at: April 6, 2026, 11:43 a.m.