Triple
T1215966
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro-North Railroad |
E26106
|
entity |
| Predicate | hasBranch |
P35
|
FINISHED |
| Object |
Danbury Branch
The Danbury Branch is a commuter rail line in southwestern Connecticut operated by Metro-North Railroad, connecting Danbury and intermediate towns to the New Haven Line and the New York City region.
|
E144410
|
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: Danbury Branch | Statement: [Metro-North Railroad, hasBranch, Danbury Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Danbury Branch Context triple: [Metro-North Railroad, hasBranch, Danbury Branch]
-
A.
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.
-
B.
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.
-
C.
Salem Branch
Salem Branch is a regional railroad line in southern New Jersey that serves freight and limited local rail operations.
-
D.
Greenport Branch
The Greenport Branch is the eastern segment of the Long Island Rail Road’s Main Line that runs between Ronkonkoma and Greenport on Long Island, New York.
-
E.
Hempstead Branch
The Hempstead Branch is a commuter rail line of the Long Island Rail Road in New York, serving communities between Hempstead and points in Queens and Manhattan.
- 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: Danbury Branch Triple: [Metro-North Railroad, hasBranch, Danbury Branch]
Generated description
The Danbury Branch is a commuter rail line in southwestern Connecticut operated by Metro-North Railroad, connecting Danbury and intermediate towns to the New Haven Line and the New York City region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Danbury Branch Target entity description: The Danbury Branch is a commuter rail line in southwestern Connecticut operated by Metro-North Railroad, connecting Danbury and intermediate towns to the New Haven Line and the New York City region.
-
A.
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.
-
B.
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.
-
C.
Salem Branch
Salem Branch is a regional railroad line in southern New Jersey that serves freight and limited local rail operations.
-
D.
Greenport Branch
The Greenport Branch is the eastern segment of the Long Island Rail Road’s Main Line that runs between Ronkonkoma and Greenport on Long Island, New York.
-
E.
Hempstead Branch
The Hempstead Branch is a commuter rail line of the Long Island Rail Road in New York, serving communities between Hempstead and points in Queens and Manhattan.
- 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_69ac9979cc0c8190b6ed1b6467a25ec1 |
completed | March 7, 2026, 9:32 p.m. |
| NEDg | Description generation | batch_69ac9a04f5f88190922a49ad5c83d794 |
completed | March 7, 2026, 9:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac9a793e7081908374e1a8e9fe3137 |
completed | March 7, 2026, 9:36 p.m. |
Created at: March 1, 2026, 7:46 p.m.