Triple

T9315970
Position Surface form Disambiguated ID Type / Status
Subject Wayne, Michigan E224120 entity
Predicate servedBy P82 FINISHED
Object Amtrak Michigan Line
The Amtrak Michigan Line is a passenger rail corridor in Michigan that connects major cities such as Detroit, Ann Arbor, and Chicago, providing intercity train service across the region.
E791100 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: Amtrak Michigan Line | Statement: [Wayne, Michigan, servedBy, Amtrak Michigan Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Michigan Line
Context triple: [Wayne, Michigan, servedBy, Amtrak Michigan Line]
  • A. 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.
  • B. 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.
  • C. Amtrak Illinois Zephyr
    The Amtrak Illinois Zephyr is a state-supported passenger train service operating in Illinois, primarily running between Chicago and Quincy with stops at intermediate cities along the route.
  • D. 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.
  • E. Amtrak Lake Shore Limited
    Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
  • 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: Amtrak Michigan Line
Triple: [Wayne, Michigan, servedBy, Amtrak Michigan Line]
Generated description
The Amtrak Michigan Line is a passenger rail corridor in Michigan that connects major cities such as Detroit, Ann Arbor, and Chicago, providing intercity train service across the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Amtrak Michigan Line
Target entity description: The Amtrak Michigan Line is a passenger rail corridor in Michigan that connects major cities such as Detroit, Ann Arbor, and Chicago, providing intercity train service across the region.
  • A. 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.
  • B. 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.
  • C. Amtrak Illinois Zephyr
    The Amtrak Illinois Zephyr is a state-supported passenger train service operating in Illinois, primarily running between Chicago and Quincy with stops at intermediate cities along the route.
  • D. 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.
  • E. Amtrak Lake Shore Limited
    Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
  • 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_69ca8425f4fc81909c1c586e9a5b7530 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd358846e48190a8aacfab19d88ae7 completed April 1, 2026, 3:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69d0c7acba54819086da668f234321de completed April 4, 2026, 8:11 a.m.
NEDg Description generation batch_69d0c8d9caf88190b595fe2fdf925394 completed April 4, 2026, 8:16 a.m.
NED2 Entity disambiguation (via description) batch_69d0caeb3bf8819082afe90dec3364ec completed April 4, 2026, 8:25 a.m.
Created at: March 30, 2026, 7:37 p.m.