Triple
T9011411
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | GO Transit Milton line |
E215481
|
entity |
| Predicate | usesRailwayCorridor |
P15040
|
FINISHED |
| Object |
CPKC Galt Subdivision
The CPKC Galt Subdivision is a major Canadian Pacific Kansas City freight rail corridor in Southern Ontario that also carries GO Transit's Milton line commuter trains.
|
E772723
|
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: CPKC Galt Subdivision | Statement: [GO Transit Milton line, usesRailwayCorridor, CPKC Galt Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CPKC Galt Subdivision Context triple: [GO Transit Milton line, usesRailwayCorridor, CPKC Galt Subdivision]
-
A.
Guelph Subdivision
Guelph Subdivision is a key railway corridor in Southern Ontario that carries both passenger and freight traffic, including GO Transit's Kitchener line services.
-
B.
CPKC Milwaukee Subdivision
The CPKC Milwaukee Subdivision is a freight rail line in the Chicago–Milwaukee corridor owned and operated by Canadian Pacific Kansas City, also used by commuter services such as Metra.
-
C.
Ontario Northland Railway
Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
-
D.
CSX Capital Subdivision
CSX Capital Subdivision is a CSX Transportation rail line in Maryland that serves as a key freight and commuter corridor between Washington, D.C., and Baltimore.
-
E.
Canadian Pacific Railway mainline
The Canadian Pacific Railway mainline is a major transcontinental rail corridor that forms a key freight and passenger transportation route across Canada, including through Northern Ontario.
- 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: CPKC Galt Subdivision Triple: [GO Transit Milton line, usesRailwayCorridor, CPKC Galt Subdivision]
Generated description
The CPKC Galt Subdivision is a major Canadian Pacific Kansas City freight rail corridor in Southern Ontario that also carries GO Transit's Milton line commuter trains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CPKC Galt Subdivision Target entity description: The CPKC Galt Subdivision is a major Canadian Pacific Kansas City freight rail corridor in Southern Ontario that also carries GO Transit's Milton line commuter trains.
-
A.
Guelph Subdivision
Guelph Subdivision is a key railway corridor in Southern Ontario that carries both passenger and freight traffic, including GO Transit's Kitchener line services.
-
B.
CPKC Milwaukee Subdivision
The CPKC Milwaukee Subdivision is a freight rail line in the Chicago–Milwaukee corridor owned and operated by Canadian Pacific Kansas City, also used by commuter services such as Metra.
-
C.
Ontario Northland Railway
Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
-
D.
CSX Capital Subdivision
CSX Capital Subdivision is a CSX Transportation rail line in Maryland that serves as a key freight and commuter corridor between Washington, D.C., and Baltimore.
-
E.
Canadian Pacific Railway mainline
The Canadian Pacific Railway mainline is a major transcontinental rail corridor that forms a key freight and passenger transportation route across Canada, including through Northern Ontario.
- 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_69ca83a2bf088190986ee7a8eb90407d |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc69c1571881908d0b144786b5ee1f |
completed | April 1, 2026, 12:41 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfdb9dca848190952427bb5712081f |
completed | April 3, 2026, 3:24 p.m. |
| NEDg | Description generation | batch_69cfdc5b230881908057cc868e44ea44 |
completed | April 3, 2026, 3:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfdcfc28288190b849b3f0216a7e9a |
completed | April 3, 2026, 3:30 p.m. |
Created at: March 30, 2026, 7:06 p.m.