Triple
T54431
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak |
E1072
|
entity |
| Predicate | majorRoute |
P385
|
FINISHED |
| Object |
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.
|
E4023
|
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: Lake Shore Limited | Statement: [Amtrak, majorRoute, Lake Shore Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Shore Limited Context triple: [Amtrak, majorRoute, Lake Shore Limited]
-
A.
Madrona Venture Group
Madrona Venture Group is a Seattle-based venture capital firm known for investing in early-stage technology companies, particularly in the Pacific Northwest.
-
B.
Delaware North
Delaware North is a global hospitality and food service company known for operating concessions, lodging, and venues at major sports stadiums, airports, and entertainment destinations.
-
C.
PlumpJack Group
PlumpJack Group is a hospitality and lifestyle company known for its wineries, hotels, restaurants, and retail businesses, originally launched in San Francisco.
-
D.
North Shore
North Shore is a coastal region in northeastern Massachusetts known for its historic seaside towns, beaches, and proximity to Boston.
-
E.
Chicago Surface Lines
Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
- 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: Lake Shore Limited Triple: [Amtrak, majorRoute, Lake Shore Limited]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lake Shore Limited Target entity description: 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.
-
A.
Cruise LLC
Cruise LLC is an autonomous vehicle company focused on developing and deploying self-driving car technology, particularly for urban ride-hailing services.
-
B.
Great Lakes Works
Great Lakes Works is a large integrated steel manufacturing plant in Michigan known for producing flat-rolled steel products for the automotive and other industries.
-
C.
Madrona Venture Group
Madrona Venture Group is a Seattle-based venture capital firm known for investing in early-stage technology companies, particularly in the Pacific Northwest.
-
D.
Broadway Limited
Broadway Limited was a famous luxury passenger train that operated between New York City and Chicago, serving as one of the Pennsylvania Railroad’s premier flagship services.
-
E.
Delaware North
Delaware North is a global hospitality and food service company known for operating concessions, lodging, and venues at major sports stadiums, airports, and entertainment destinations.
- 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_69a248adc5b48190aa8db9fb092fb28a |
completed | Feb. 28, 2026, 1:45 a.m. |
| NER | Named-entity recognition | batch_69a24b06c5488190afb5429a7999e3f3 |
completed | Feb. 28, 2026, 1:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a24e67187c8190950aec5d9f8ecc60 |
completed | Feb. 28, 2026, 2:09 a.m. |
| NEDg | Description generation | batch_69a24eff3f0881909b46502175682d99 |
completed | Feb. 28, 2026, 2:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2542d9b388190bcc4581c3b79aa51 |
completed | Feb. 28, 2026, 2:34 a.m. |
Created at: Feb. 28, 2026, 1:50 a.m.