Triple
T6759378
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northern Pacific Railway |
E154551
|
entity |
| Predicate | operatedService |
P5884
|
FINISHED |
| Object |
North Coast Hiawatha (via successor)
The North Coast Hiawatha was a former Amtrak long-distance passenger train that operated between Chicago and the Pacific Northwest, serving as an important transcontinental route in the 1970s.
|
E618675
|
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: North Coast Hiawatha (via successor) | Statement: [Northern Pacific Railway, operatedService, North Coast Hiawatha (via successor)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Coast Hiawatha (via successor) Context triple: [Northern Pacific Railway, operatedService, North Coast Hiawatha (via successor)]
-
A.
Amtrak Hiawatha Service
Amtrak Hiawatha Service is a frequent intercity passenger rail route operated by Amtrak between Chicago, Illinois, and Milwaukee, Wisconsin.
-
B.
Twin Cities Hiawatha
Twin Cities Hiawatha was a streamlined inter-city passenger train that provided fast, stylish service between Chicago and the Minneapolis–Saint Paul "Twin Cities" during the mid-20th century.
-
C.
Hiawatha Line
The Hiawatha Line, now known as the METRO Blue Line, is a light rail transit route serving the Minneapolis–Saint Paul metropolitan area in Minnesota.
-
D.
Amtrak Pere Marquette line
The Amtrak Pere Marquette line is a passenger rail route in the Midwestern United States that connects Chicago with several cities along the eastern shore of Lake Michigan.
-
E.
Amtrak Wolverine service
Amtrak Wolverine service is a passenger rail line operated by Amtrak that runs between Chicago and Pontiac in Michigan, serving key cities across the state.
- 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: North Coast Hiawatha (via successor) Triple: [Northern Pacific Railway, operatedService, North Coast Hiawatha (via successor)]
Generated description
The North Coast Hiawatha was a former Amtrak long-distance passenger train that operated between Chicago and the Pacific Northwest, serving as an important transcontinental route in the 1970s.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: North Coast Hiawatha (via successor) Target entity description: The North Coast Hiawatha was a former Amtrak long-distance passenger train that operated between Chicago and the Pacific Northwest, serving as an important transcontinental route in the 1970s.
-
A.
Amtrak Hiawatha Service
Amtrak Hiawatha Service is a frequent intercity passenger rail route operated by Amtrak between Chicago, Illinois, and Milwaukee, Wisconsin.
-
B.
Twin Cities Hiawatha
Twin Cities Hiawatha was a streamlined inter-city passenger train that provided fast, stylish service between Chicago and the Minneapolis–Saint Paul "Twin Cities" during the mid-20th century.
-
C.
Hiawatha Line
The Hiawatha Line, now known as the METRO Blue Line, is a light rail transit route serving the Minneapolis–Saint Paul metropolitan area in Minnesota.
-
D.
Amtrak Pere Marquette line
The Amtrak Pere Marquette line is a passenger rail route in the Midwestern United States that connects Chicago with several cities along the eastern shore of Lake Michigan.
-
E.
Amtrak Wolverine service
Amtrak Wolverine service is a passenger rail line operated by Amtrak that runs between Chicago and Pontiac in Michigan, serving key cities across the state.
- 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_69c6880fd5808190be684854081e27dd |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d21143748190beaab2488971d65b |
completed | March 27, 2026, 6:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c712b0926c81909601f21407526fd9 |
completed | March 27, 2026, 11:28 p.m. |
| NEDg | Description generation | batch_69c7135106288190b5b20523c3efa229 |
completed | March 27, 2026, 11:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7141cd52c8190a783590ad1067840 |
completed | March 27, 2026, 11:34 p.m. |
Created at: March 27, 2026, 2:12 p.m.