Triple

T3942388
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Wolverine service E92063 entity
Predicate usesLine P1293 FINISHED
Object Michigan Line
The Michigan Line is a key passenger rail corridor in the Midwest, carrying Amtrak trains between Chicago and Detroit/Pontiac across southern Michigan.
E401127 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: Michigan Line | Statement: [Amtrak Wolverine service, usesLine, Michigan Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Michigan Line
Context triple: [Amtrak Wolverine service, usesLine, Michigan Line]
  • A. Illinois–Indiana state line
    The Illinois–Indiana state line is the boundary separating the U.S. states of Illinois and Indiana, running north–south from Lake Michigan through both urban and rural areas.
  • B. Weber Line
    The Weber Line is a biogeographical boundary in the Malay Archipelago that marks a transition zone between Asian and Australasian animal species distributions.
  • C. Mason–Dixon Line
    The Mason–Dixon Line is the historic boundary surveyed in the 18th century between several American colonies that later came to symbolize the cultural and political divide between the Northern and Southern United States.
  • D. Quai des États-Unis
    Quai des États-Unis is a prominent seafront promenade in Nice, France, running along the Mediterranean coast near the city's historic center.
  • E. Penn Line
    The Penn Line is a MARC commuter rail service in Maryland that runs along the busy Northeast Corridor between Washington, D.C., and Perryville, serving major intermediate stops such as Baltimore.
  • 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: Michigan Line
Triple: [Amtrak Wolverine service, usesLine, Michigan Line]
Generated description
The Michigan Line is a key passenger rail corridor in the Midwest, carrying Amtrak trains between Chicago and Detroit/Pontiac across southern Michigan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Michigan Line
Target entity description: The Michigan Line is a key passenger rail corridor in the Midwest, carrying Amtrak trains between Chicago and Detroit/Pontiac across southern Michigan.
  • A. Illinois–Indiana state line
    The Illinois–Indiana state line is the boundary separating the U.S. states of Illinois and Indiana, running north–south from Lake Michigan through both urban and rural areas.
  • B. Weber Line
    The Weber Line is a biogeographical boundary in the Malay Archipelago that marks a transition zone between Asian and Australasian animal species distributions.
  • C. Mason–Dixon Line
    The Mason–Dixon Line is the historic boundary surveyed in the 18th century between several American colonies that later came to symbolize the cultural and political divide between the Northern and Southern United States.
  • D. Quai des États-Unis
    Quai des États-Unis is a prominent seafront promenade in Nice, France, running along the Mediterranean coast near the city's historic center.
  • E. Penn Line
    The Penn Line is a MARC commuter rail service in Maryland that runs along the busy Northeast Corridor between Washington, D.C., and Perryville, serving major intermediate stops such as Baltimore.
  • 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_69aed965502c8190904ebad1203a4ae8 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeedff736c8190b22e03d94c40f61a completed March 9, 2026, 3:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69b533912bf881909e5e5e9e4245edbf completed March 14, 2026, 10:08 a.m.
NEDg Description generation batch_69b534343a4081909495add7f524cbd2 completed March 14, 2026, 10:11 a.m.
NED2 Entity disambiguation (via description) batch_69b534931f188190a9428f1b81e524a4 completed March 14, 2026, 10:12 a.m.
Created at: March 9, 2026, 3:24 p.m.