Triple
T7578428
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Guelph Central Station |
E179419
|
entity |
| Predicate | railLineServed |
P6301
|
FINISHED |
| Object | Kitchener line |
E295999
|
NE FINISHED |
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: Kitchener line | Statement: [Guelph Central Station, railLineServed, Kitchener line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kitchener line Context triple: [Guelph Central Station, railLineServed, Kitchener line]
-
A.
Kitchener line
chosen
The Kitchener line is a GO Transit commuter rail corridor in Southern Ontario that connects Toronto with communities to the west, including Kitchener and Waterloo.
-
B.
Arlington line
The Arlington line is a branch of the prominent Lee family of Virginia, historically associated with the estate that became Arlington National Cemetery.
-
C.
Barrie line
The Barrie line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto and the city of Barrie.
-
D.
Hastings Line
The Hastings Line is a major railway route in Southeast England that connects London with the coastal town of Hastings, serving numerous commuter and regional destinations along the way.
-
E.
Leicester Line
The Leicester Line is a major branch of England’s Grand Union Canal that runs through the East Midlands, linking the main canal with Leicester and the River Soar.
- 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: railLineServed Context triple: [Guelph Central Station, railLineServed, Kitchener line]
-
A.
railwayTypeServed
Indicates the type of railway system or service that a given entity (such as a station, line, or facility) is designed to serve or accommodate.
-
B.
lineServed
chosen
Indicates that a particular transportation line (such as a bus, train, or metro line) provides service to or is operated at a given stop, station, or route segment.
-
C.
transportationServedBy
Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
-
D.
railServicesTo
Indicates that rail transportation services operate from one location to another specified destination.
-
E.
railLineOrigin
Indicates that a rail line begins or originates from a specified location or point.
- F. None of above.
Provenance (4 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_69c69f327db881909a21ae3b156f8ded |
completed | March 27, 2026, 3:16 p.m. |
| NER | Named-entity recognition | batch_69c6f97460a481909d61fba555567b66 |
completed | March 27, 2026, 9:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8616d87f881909fe23220dc77167c |
completed | March 28, 2026, 11:17 p.m. |
| PD | Predicate disambiguation | batch_69c6f4e04c2c8190a889d928515d9b8e |
completed | March 27, 2026, 9:21 p.m. |
Created at: March 27, 2026, 3:51 p.m.