Triple

T4241868
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Midwest services E95431 entity
Predicate routeIncludes P1393 FINISHED
Object Pere Marquette
Pere Marquette is an Amtrak passenger train service in the Midwest that operates between Chicago, Illinois, and Grand Rapids, Michigan.
E425261 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: Pere Marquette | Statement: [Amtrak Midwest services, routeIncludes, Pere Marquette]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pere Marquette
Context triple: [Amtrak Midwest services, routeIncludes, Pere Marquette]
  • A. Michigan Central Railroad
    Michigan Central Railroad was a major 19th- and early 20th-century American railroad company that operated key passenger and freight routes across Michigan and the Great Lakes region, connecting to Chicago and the broader Midwest rail network.
  • 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. Marquette
    Marquette is a French surname most notably associated with the 17th-century Jesuit missionary and explorer Jacques Marquette, after whom various places and institutions in North America are named.
  • D. Marquette
    Marquette is a city in Michigan’s Upper Peninsula known as a key shipping and commercial hub on the southern shore of Lake Superior.
  • E. Hiawatha
    Hiawatha is a legendary Native American hero and cultural figure, widely known from Henry Wadsworth Longfellow’s epic poem that romanticizes his life and deeds.
  • 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: Pere Marquette
Triple: [Amtrak Midwest services, routeIncludes, Pere Marquette]
Generated description
Pere Marquette is an Amtrak passenger train service in the Midwest that operates between Chicago, Illinois, and Grand Rapids, Michigan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pere Marquette
Target entity description: Pere Marquette is an Amtrak passenger train service in the Midwest that operates between Chicago, Illinois, and Grand Rapids, Michigan.
  • A. Michigan Central Railroad
    Michigan Central Railroad was a major 19th- and early 20th-century American railroad company that operated key passenger and freight routes across Michigan and the Great Lakes region, connecting to Chicago and the broader Midwest rail network.
  • 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. Marquette
    Marquette is a French surname most notably associated with the 17th-century Jesuit missionary and explorer Jacques Marquette, after whom various places and institutions in North America are named.
  • D. Marquette
    Marquette is a city in Michigan’s Upper Peninsula known as a key shipping and commercial hub on the southern shore of Lake Superior.
  • E. Hiawatha
    Hiawatha is a legendary Native American hero and cultural figure, widely known from Henry Wadsworth Longfellow’s epic poem that romanticizes his life and deeds.
  • 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_69b3453d91548190b4d4ef8fe52aa2ac completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b34e891bc08190831187da4f553f48 completed March 12, 2026, 11:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5a872fd6881908a3fbe37e7c35c92 completed March 14, 2026, 6:26 p.m.
NEDg Description generation batch_69b5a8e024a081909e7ecbe969793281 completed March 14, 2026, 6:28 p.m.
NED2 Entity disambiguation (via description) batch_69b5acefd1f881908226ff68a741552b completed March 14, 2026, 6:46 p.m.
Created at: March 12, 2026, 11:05 p.m.