Triple
T239106
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CN Tower |
E4888
|
entity |
| Predicate | builtBy |
P972
|
FINISHED |
| Object |
Canadian National Railway
Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
|
E30762
|
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: Canadian National Railway | Statement: [CN Tower, builtBy, Canadian National Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Canadian National Railway Context triple: [CN Tower, builtBy, Canadian National Railway]
-
A.
Canadian Pacific Kansas City Limited
Canadian Pacific Kansas City Limited is a major North American freight railway company formed by the merger of Canadian Pacific Railway and Kansas City Southern, operating an extensive rail network connecting Canada, the United States, and Mexico.
-
B.
Norfolk Southern Railway
Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
-
C.
CSX Transportation
CSX Transportation is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
-
D.
BNSF Railway
BNSF Railway is one of the largest freight railroad networks in North America, operating an extensive system that spans the United States and parts of Canada and Mexico.
-
E.
Chicago Railways Company
The Chicago Railways Company was a major early 20th-century street railway operator in Chicago that formed a key part of the city’s urban transit system before consolidation into unified public transportation.
- 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: Canadian National Railway Triple: [CN Tower, builtBy, Canadian National Railway]
Generated description
Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Canadian National Railway Target entity description: Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
-
A.
Canadian Pacific Kansas City Limited
Canadian Pacific Kansas City Limited is a major North American freight railway company formed by the merger of Canadian Pacific Railway and Kansas City Southern, operating an extensive rail network connecting Canada, the United States, and Mexico.
-
B.
Norfolk Southern Railway
Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
-
C.
CSX Transportation
CSX Transportation is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
-
D.
BNSF Railway
BNSF Railway is one of the largest freight railroad networks in North America, operating an extensive system that spans the United States and parts of Canada and Mexico.
-
E.
Chicago Railways Company
The Chicago Railways Company was a major early 20th-century street railway operator in Chicago that formed a key part of the city’s urban transit system before consolidation into unified public transportation.
- 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_69a257c3d0708190b0871c4269d273e6 |
completed | Feb. 28, 2026, 2:49 a.m. |
| NER | Named-entity recognition | batch_69a25ceaecdc81909e9ff49cb6a4e02a |
completed | Feb. 28, 2026, 3:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a36735dff881908ed9cefbf6f5e09d |
completed | Feb. 28, 2026, 10:07 p.m. |
| NEDg | Description generation | batch_69a367d82e9c8190ae1bcc99232a24fa |
completed | Feb. 28, 2026, 10:10 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3689a2970819087306bff495a4a3a |
completed | Feb. 28, 2026, 10:13 p.m. |
Created at: Feb. 28, 2026, 2:53 a.m.