Triple
T7618089
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Michigan Central Railroad |
E172412
|
entity |
| Predicate | railNetworkConnection |
P24517
|
FINISHED |
| Object |
Canada Southern Railway
Canada Southern Railway was a 19th- and early 20th-century railway company that operated a key east–west main line across southern Ontario, providing an important international link between the U.S. and Canada.
|
E677241
|
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: Canada Southern Railway | Statement: [Michigan Central Railroad, railNetworkConnection, Canada Southern Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Canada Southern Railway Context triple: [Michigan Central Railroad, railNetworkConnection, Canada Southern Railway]
-
A.
Southern Railway (U.S.)
Southern Railway (U.S.) was a major American Class I railroad that operated primarily in the southeastern United States before becoming a key predecessor of Norfolk Southern Railway.
-
B.
Seaboard System Railroad
Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
-
C.
Seaboard Coast Line Railroad
Seaboard Coast Line Railroad was a major Class I railroad in the southeastern United States, formed in 1967 and known for both freight operations and prominent passenger services before becoming part of CSX Transportation.
-
D.
Kansas City Southern Railway
Kansas City Southern Railway was a major North American freight railroad that operated a core network linking the U.S. Midwest with the Gulf Coast and Mexico.
-
E.
Southern Railroad of New Jersey
The Southern Railroad of New Jersey is a shortline freight railroad that operates and maintains portions of the South Jersey rail network.
- 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: Canada Southern Railway Triple: [Michigan Central Railroad, railNetworkConnection, Canada Southern Railway]
Generated description
Canada Southern Railway was a 19th- and early 20th-century railway company that operated a key east–west main line across southern Ontario, providing an important international link between the U.S. and Canada.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Canada Southern Railway Target entity description: Canada Southern Railway was a 19th- and early 20th-century railway company that operated a key east–west main line across southern Ontario, providing an important international link between the U.S. and Canada.
-
A.
Southern Railway (U.S.)
Southern Railway (U.S.) was a major American Class I railroad that operated primarily in the southeastern United States before becoming a key predecessor of Norfolk Southern Railway.
-
B.
Seaboard System Railroad
Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
-
C.
Seaboard Coast Line Railroad
Seaboard Coast Line Railroad was a major Class I railroad in the southeastern United States, formed in 1967 and known for both freight operations and prominent passenger services before becoming part of CSX Transportation.
-
D.
Kansas City Southern Railway
Kansas City Southern Railway was a major North American freight railroad that operated a core network linking the U.S. Midwest with the Gulf Coast and Mexico.
-
E.
Southern Railroad of New Jersey
The Southern Railroad of New Jersey is a shortline freight railroad that operates and maintains portions of the South Jersey rail network.
- 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_69c699506b308190826894dab1d9ea86 |
completed | March 27, 2026, 2:50 p.m. |
| NER | Named-entity recognition | batch_69c701731a288190b53ffc546a2f47d7 |
completed | March 27, 2026, 10:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c868714d7c8190aae66a3dd4e6214b |
completed | March 28, 2026, 11:46 p.m. |
| NEDg | Description generation | batch_69c86a93e34c81908aaf0edb023ee78c |
completed | March 28, 2026, 11:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c86af8330c8190a43c599e82fe465a |
completed | March 28, 2026, 11:57 p.m. |
Created at: March 27, 2026, 3:55 p.m.