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.