Triple

T6759341
Position Surface form Disambiguated ID Type / Status
Subject Northern Pacific Railway E154551 entity
Predicate predecessor P97 FINISHED
Object Lake Superior and Mississippi Railroad
The Lake Superior and Mississippi Railroad was a 19th-century rail line in the Upper Midwest that played a key role in connecting the Great Lakes region to the interior United States and later became part of the Northern Pacific Railway system.
E50942 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 Superior and Mississippi Railroad | Statement: [Northern Pacific Railway, predecessor, Lake Superior and Mississippi Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lake Superior and Mississippi Railroad
Context triple: [Northern Pacific Railway, predecessor, Lake Superior and Mississippi Railroad]
  • A. Pere Marquette
    Pere Marquette is an Amtrak passenger train service in the Midwest that operates between Chicago, Illinois, and Grand Rapids, Michigan.
  • B. Hannibal and St. Joseph Railroad
    The Hannibal and St. Joseph Railroad was a pioneering 19th-century rail line in Missouri, notable as one of the first railroads to cross the state and for carrying early Pony Express mail.
  • C. Duluth Iron Range Railway Company
    Duluth Iron Range Railway Company was a regional railroad line in Minnesota’s Iron Range that transported iron ore and related freight, historically tied to major industrial interests like Federal Steel.
  • D. Milwaukee Road
    The Milwaukee Road was a major American railroad that operated an extensive Midwestern and Pacific Northwest network, noted especially for its electrified mountain routes and eventual bankruptcy in the late 20th century.
  • E. Lake Shore and Michigan Southern Railway
    The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
  • 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 Superior and Mississippi Railroad
Triple: [Northern Pacific Railway, predecessor, Lake Superior and Mississippi Railroad]
Generated description
The Lake Superior and Mississippi Railroad was a 19th-century rail line in the Upper Midwest that played a key role in connecting the Great Lakes region to the interior United States and later became part of the Northern Pacific Railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lake Superior and Mississippi Railroad
Target entity description: The Lake Superior and Mississippi Railroad was a 19th-century rail line in the Upper Midwest that played a key role in connecting the Great Lakes region to the interior United States and later became part of the Northern Pacific Railway system.
  • A. Pere Marquette
    Pere Marquette is an Amtrak passenger train service in the Midwest that operates between Chicago, Illinois, and Grand Rapids, Michigan.
  • B. Hannibal and St. Joseph Railroad
    The Hannibal and St. Joseph Railroad was a pioneering 19th-century rail line in Missouri, notable as one of the first railroads to cross the state and for carrying early Pony Express mail.
  • C. Duluth Iron Range Railway Company chosen
    Duluth Iron Range Railway Company was a regional railroad line in Minnesota’s Iron Range that transported iron ore and related freight, historically tied to major industrial interests like Federal Steel.
  • D. Milwaukee Road
    The Milwaukee Road was a major American railroad that operated an extensive Midwestern and Pacific Northwest network, noted especially for its electrified mountain routes and eventual bankruptcy in the late 20th century.
  • E. Lake Shore and Michigan Southern Railway
    The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
  • F. None of above.

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_69c6880fd5808190be684854081e27dd completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d21143748190beaab2488971d65b completed March 27, 2026, 6:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c712b0926c81909601f21407526fd9 completed March 27, 2026, 11:28 p.m.
NEDg Description generation batch_69c7135106288190b5b20523c3efa229 completed March 27, 2026, 11:31 p.m.
NED2 Entity disambiguation (via description) batch_69c7141cd52c8190a783590ad1067840 completed March 27, 2026, 11:34 p.m.
Created at: March 27, 2026, 2:12 p.m.