Triple
T9607589
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro-North Railroad New Canaan Branch |
E232010
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | New Haven Line main line |
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 main line | Statement: [Metro-North Railroad New Canaan Branch, connectsTo, New Haven Line main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Haven Line main line Context triple: [Metro-North Railroad New Canaan Branch, connectsTo, New Haven Line main line]
-
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.
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.
-
C.
Connecticut River Line
The Connecticut River Line is a historic railroad corridor running along the Connecticut River in New England, long used for passenger and freight service connecting communities in Massachusetts, Vermont, and New Hampshire.
-
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.
Morristown Line
The Morristown Line is a New Jersey Transit commuter rail route serving towns between Hoboken/New York and western New Jersey, including Morristown.
- 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_69d18220a2308190aac7380c98f23965 |
completed | April 4, 2026, 9:26 p.m. |
Created at: March 30, 2026, 8:08 p.m.