Triple
T1215965
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro-North Railroad |
E26106
|
entity |
| Predicate | hasBranch |
P35
|
FINISHED |
| Object |
New Canaan Branch
The New Canaan Branch is a commuter rail line in Connecticut operated by Metro-North Railroad, connecting the town of New Canaan to the New Haven Line and the broader New York metropolitan rail network.
|
E143269
|
NE FINISHED |
How this triple was built (4 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 Branch | Statement: [Metro-North Railroad, hasBranch, New Canaan Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Canaan Branch Context triple: [Metro-North Railroad, hasBranch, New Canaan Branch]
-
A.
Englewood Branch
The Englewood Branch is a former south side segment of Chicago's Green Line rapid transit route that historically served the Englewood neighborhood.
-
B.
Port Washington Branch
The Port Washington Branch is a commuter rail line of the Long Island Rail Road in New York that runs between Manhattan and Port Washington in Nassau County.
-
C.
Far Rockaway Branch
The Far Rockaway Branch is a commuter rail line of the Long Island Rail Road serving southeastern Queens and the Far Rockaway neighborhood in New York City.
-
D.
Ashmont branch
The Ashmont branch is a southern segment of Boston's MBTA Red Line rapid transit system that serves neighborhoods including Dorchester and terminates at Ashmont station.
-
E.
New Canaan, Connecticut
New Canaan, Connecticut is an affluent suburban town in Fairfield County known for its modernist architecture, historic New England charm, and role as a commuter community for the New York City metropolitan area.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: New Canaan Branch Triple: [Metro-North Railroad, hasBranch, New Canaan Branch]
Generated description
The New Canaan Branch is a commuter rail line in Connecticut operated by Metro-North Railroad, connecting the town of New Canaan to the New Haven Line and the broader New York metropolitan rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: New Canaan Branch Target entity description: The New Canaan Branch is a commuter rail line in Connecticut operated by Metro-North Railroad, connecting the town of New Canaan to the New Haven Line and the broader New York metropolitan rail network.
-
A.
Englewood Branch
The Englewood Branch is a former south side segment of Chicago's Green Line rapid transit route that historically served the Englewood neighborhood.
-
B.
Port Washington Branch
The Port Washington Branch is a commuter rail line of the Long Island Rail Road in New York that runs between Manhattan and Port Washington in Nassau County.
-
C.
Far Rockaway Branch
The Far Rockaway Branch is a commuter rail line of the Long Island Rail Road serving southeastern Queens and the Far Rockaway neighborhood in New York City.
-
D.
Ashmont branch
The Ashmont branch is a southern segment of Boston's MBTA Red Line rapid transit system that serves neighborhoods including Dorchester and terminates at Ashmont station.
-
E.
New Canaan, Connecticut
New Canaan, Connecticut is an affluent suburban town in Fairfield County known for its modernist architecture, historic New England charm, and role as a commuter community for the New York City metropolitan area.
- F. None of above. chosen
Provenance (5 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_69a4948331fc8190b531ac9bec71c491 |
completed | March 1, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69a4be059c5c8190a200f09442c22334 |
completed | March 1, 2026, 10:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac93bcdbbc8190a5eb1f4285faa8d4 |
completed | March 7, 2026, 9:08 p.m. |
| NEDg | Description generation | batch_69ac9453f4488190a13ebabf3c8e07a5 |
completed | March 7, 2026, 9:10 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac952f74d48190b075919e0acd513d |
completed | March 7, 2026, 9:14 p.m. |
Created at: March 1, 2026, 7:46 p.m.