Triple
T6692325
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Milwaukee Road |
E152656
|
entity |
| Predicate | operatedPassengerTrain |
P31751
|
FINISHED |
| Object |
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.
|
E612557
|
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: Twin Cities Hiawatha | Statement: [Milwaukee Road, operatedPassengerTrain, Twin Cities Hiawatha]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Twin Cities Hiawatha Context triple: [Milwaukee Road, operatedPassengerTrain, Twin Cities Hiawatha]
-
A.
Twin Cities Zephyr
The Twin Cities Zephyr was a streamlined passenger train that provided fast, stylish service between Chicago and the Minneapolis–St. Paul "Twin Cities" during the mid-20th century.
-
B.
Amtrak Hiawatha Service
Amtrak Hiawatha Service is a frequent intercity passenger rail route operated by Amtrak between Chicago, Illinois, and Milwaukee, Wisconsin.
-
C.
Amtrak Heartland Flyer
The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
D.
Amtrak Missouri River Runner
Amtrak Missouri River Runner is a passenger train service operated by Amtrak that runs between Kansas City and St. Louis along the Missouri River corridor.
-
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: Twin Cities Hiawatha Triple: [Milwaukee Road, operatedPassengerTrain, Twin Cities Hiawatha]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Twin Cities Hiawatha Target entity description: 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.
-
A.
Twin Cities Zephyr
The Twin Cities Zephyr was a streamlined passenger train that provided fast, stylish service between Chicago and the Minneapolis–St. Paul "Twin Cities" during the mid-20th century.
-
B.
Amtrak Hiawatha Service
Amtrak Hiawatha Service is a frequent intercity passenger rail route operated by Amtrak between Chicago, Illinois, and Milwaukee, Wisconsin.
-
C.
Amtrak Heartland Flyer
The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
D.
Amtrak Missouri River Runner
Amtrak Missouri River Runner is a passenger train service operated by Amtrak that runs between Kansas City and St. Louis along the Missouri River corridor.
-
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_69c6880687b08190805278b504d1c92c |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6b193a8c08190a99152a8eca018e6 |
completed | March 27, 2026, 4:34 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6f7b70ef88190b605c3c70a941cdb |
completed | March 27, 2026, 9:33 p.m. |
| NEDg | Description generation | batch_69c6f86efd00819099d48fe7cb9640a3 |
completed | March 27, 2026, 9:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6f91ac7788190832a133c4fe046f1 |
completed | March 27, 2026, 9:39 p.m. |
Created at: March 27, 2026, 2:05 p.m.