Triple
T14169469
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mamaroneck station |
E351167
|
entity |
| Predicate | railwayDivision |
P1921
|
FINISHED |
| Object | New Haven Line West-of-New Haven segment |
E139806
|
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 Haven Line West-of-New Haven segment | Statement: [Mamaroneck station, railwayDivision, New Haven Line West-of-New Haven segment]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Haven Line West-of-New Haven segment Context triple: [Mamaroneck station, railwayDivision, New Haven Line West-of-New Haven segment]
-
A.
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.
-
B.
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.
-
C.
New Haven–Northampton Railroad
The New Haven–Northampton Railroad was a historic New England rail line that once connected New Haven, Connecticut to Northampton, Massachusetts and later became the corridor for today’s Farmington Canal Heritage Trail.
-
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.
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.
- 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_69d8278834a08190b0f1784e58d7b99c |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de61b472288190b4a271daa54aa6cd |
completed | April 14, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd2804956c81909409fba998a87866 |
completed | May 8, 2026, 12:02 a.m. |
Created at: April 10, 2026, 1:01 a.m.