Triple
T21620745
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Derby–Shelton station |
E533569
|
entity |
| Predicate | servesRailBranch |
P58624
|
FINISHED |
| Object | Waterbury Branch |
—
|
NE NERFINISHED |
How this triple was built (3 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 | Statement: [Derby–Shelton station, servesRailBranch, Waterbury Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waterbury Branch Context triple: [Derby–Shelton station, servesRailBranch, Waterbury Branch]
-
A.
Waterbury Branch
chosen
The Waterbury Branch is a commuter rail line in Connecticut operated by Metro-North Railroad, running between Waterbury and the New Haven Line at Bridgeport.
-
B.
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.
-
C.
Stoughton Branch
Stoughton Branch is a commuter rail branch line in Massachusetts that serves the town of Stoughton as part of the MBTA’s Providence/Stoughton Line.
-
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.
Newtown Branch
Newtown Branch is a former SEPTA regional rail line in the Philadelphia area that once extended service beyond Fox Chase station into suburban Bucks County.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servesRailBranch Context triple: [Derby–Shelton station, servesRailBranch, Waterbury Branch]
-
A.
servedByRailBranch
chosen
Indicates that a location or facility is connected to and provided service by a specific railway branch line.
-
B.
servesBranch
Indicates that one entity provides services or support to a particular branch or subdivision of an organization.
-
C.
servesRailCorridor
Indicates that something (such as a service, facility, or operation) provides service to or operates along a specific rail corridor.
-
D.
servesBank
Indicates that one entity provides banking or financial services to another entity.
-
E.
serviceBranch
Indicates the military or organizational branch in which an entity serves or is affiliated.
- F. None of above.
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_69e0c464fba881908d0ff2ac80511ce1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ef3baeeae48190b78583b3bec8ee33 |
completed | April 27, 2026, 10:34 a.m. |
| PD | Predicate disambiguation | batch_69e69665fe8c8190af7e38785db188b2 |
completed | April 20, 2026, 9:11 p.m. |
Created at: April 16, 2026, 6:34 p.m.