Triple
T6759376
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northern Pacific Railway |
E154551
|
entity |
| Predicate | operatedService |
P5884
|
FINISHED |
| Object |
North Coast Limited
The North Coast Limited was a premier transcontinental passenger train that ran between Chicago and the Pacific Northwest, renowned for its scenic route and luxury service.
|
E618673
|
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 Limited | Statement: [Northern Pacific Railway, operatedService, North Coast Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Coast Limited Context triple: [Northern Pacific Railway, operatedService, North Coast Limited]
-
A.
Lake Shore Limited
The Lake Shore Limited is a long-distance Amtrak passenger train that runs overnight between Chicago and the East Coast, primarily serving New York City and Boston via the Great Lakes region.
-
B.
Sunset Limited
Sunset Limited is a long-distance Amtrak passenger train route that runs across the southern United States, historically connecting the Gulf Coast to the West Coast.
-
C.
Piedmont Limited
The Piedmont Limited was a prominent Southern Railway passenger train that provided long-distance service in the southeastern United States during the early to mid-20th century.
-
D.
Overland Limited
The Overland Limited was a premier American transcontinental passenger train that operated between Chicago and San Francisco, symbolizing luxury rail travel across the western United States in the late 19th and early 20th centuries.
-
E.
KiwiRail
KiwiRail is New Zealand’s state-owned rail operator responsible for the country’s national rail network and freight and passenger rail services.
- 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 Limited Triple: [Northern Pacific Railway, operatedService, North Coast Limited]
Generated description
The North Coast Limited was a premier transcontinental passenger train that ran between Chicago and the Pacific Northwest, renowned for its scenic route and luxury service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: North Coast Limited Target entity description: The North Coast Limited was a premier transcontinental passenger train that ran between Chicago and the Pacific Northwest, renowned for its scenic route and luxury service.
-
A.
Lake Shore Limited
The Lake Shore Limited is a long-distance Amtrak passenger train that runs overnight between Chicago and the East Coast, primarily serving New York City and Boston via the Great Lakes region.
-
B.
Sunset Limited
Sunset Limited is a long-distance Amtrak passenger train route that runs across the southern United States, historically connecting the Gulf Coast to the West Coast.
-
C.
Piedmont Limited
The Piedmont Limited was a prominent Southern Railway passenger train that provided long-distance service in the southeastern United States during the early to mid-20th century.
-
D.
Overland Limited
The Overland Limited was a premier American transcontinental passenger train that operated between Chicago and San Francisco, symbolizing luxury rail travel across the western United States in the late 19th and early 20th centuries.
-
E.
KiwiRail
KiwiRail is New Zealand’s state-owned rail operator responsible for the country’s national rail network and freight and passenger rail services.
- 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.